Android Safe Mode - How to Turn off Safe Mode on Motorola Moto G13? | Dr.fone

Android Safe Mode - How to Turn off Safe Mode on Motorola Moto G13? | Dr.fone

Ariadne Lv13

Android Safe Mode - How to Turn off Safe Mode on Motorola Moto G13?

Safe mode on Android is very useful to get rid of dangerous apps and malware. This allows the user to perform a uninstall of the crashed or malicious apps by putting safe mode on Android. Now the question is how to remove safe mode? In this article, we have discussed in detail how to get out of safe mode and also discussed some frequently asked questions. Keep reading this article.

Part 1: How to turn off safe mode on Android?

This is very important to turn off the safe mode after you put the safe mode on Android. Your mobile performance is limited in this mode. So you have to turn off safe mode. For doing this, there are some methods. Try to apply them one by one. If you succeed, stop there. Else go to the next method.

Method 1: Restarting the Motorola Moto G13 device

This is the easiest method to turn off the safe mode in Android. To use this method, follow the steps below.

Step 1 – Tap and hold the power button of your Motorola Moto G13.

Step 2 – You could find the option “Restart”. Tap on it. (If you have only one option, move to the step no 2)

Step 3 – Now, your phone will boot up in some time and you can see the Motorola Moto G13 device is no more on safe mode.

the Motorola Moto G13 device

This method, if goes well, will turn off safe mode in Android from your device. IF not, move to the next method instead.

Method 2: Do a soft reset:

The soft reset is very easy to perform. It won’t delete any of your personal files etc. Besides, it clears all the temp files and unnecessary data and recent apps so that you get a healthy device. This method is very good for turning off Safe mode on Android.

Step 1 – Tap and hold the power button.

Step 2 – Now, select “Power off” from the given option. This will make your device off.

Step 3 – Wait a few seconds and then turn it on again.

This time you can see your phone is no more in safe mode. Also, your junk files have been also removed. If you still find the Motorola Moto G13 device is the safe mode, follow the next method.

Method 3: Break all power

This method is sometimes very helpful to turn off safe mode on android by disconnecting all the power as well as resetting the SIM card.

Step 1 – Take the back cover off from the Motorola Moto G13 device and remove the battery. (Not all devices will give you this facility)

Step 2 – Take out the SIM card.

Step 3 – Reinsert the SIM card and insert the battery again.

Step 4 – Turn the Motorola Moto G13 device on by tapping and holding the power button.

Now, you can see your device is out of safe mode. If you still find your device in Safe mode, see the next method.

Method 4: Wipe the cache of the Motorola Moto G13 device.

The cache of the Motorola Moto G13 device sometimes creates an obstacle in overcoming the safe mode on Android. To solve this issue, follow the steps below.

Step 1 – Turn on your device in safe mode. It can generally be done by tapping the home, power, and volume up button on Android device. If this combination is not working for you, search the internet with your device model number.

tap home, power and volume up

Step 2 – Now you can find the recovery mode screen. Navigate to the “Wipe cache” option with the volume up and down button and select the option by tapping the power button.

Navigate to “Wipe cache”

Step 3 – Now follow on-screen instruction and your device will be rebooted.

After successful completion of this method, your device should no longer be in safe mode. If the problem still persists, the only solution is to do a factory reset. This will erase all the data from your device. So take backup of your internal storage.

Method 5: Factory data reset

To factory data reset, you have to follow the below steps.

Step 1 – Enter in the recovery mode by following the steps mentioned earlier.

Step 2 – Now select “Factory data reset” from the given options.

select “Factory data reset”

Step 3 – Now, follow the on-screen instructions and your device will be factory reset.

After this method, you can successfully get rid of the safe mode on Android. Restore your data from the backup you created.

Watch the video below to turn off safe mode on your phone:

Part 2: How to put the phone in safe mode?

If some apps or programs create a problem on your device, the solution is safe mode. Safe mode allows you to uninstall the app or the program out of your device safely. So, safe mode on Android is quite useful sometimes. Let’s have a look at how to turn on safe mode in Android.

Before this, remember to take a backup of your Motorola Moto G13. We recommend you to use the Dr.Fone - Phone Backup (Android). This tool is the best in its class to provide users with a very easy-to-use user interface yet powerful solution.

Dr.Fone - Phone Backup (Android)_

Flexibly Backup and Restore Android Data

  • Selectively backup Android data to the computer with one click.
  • Preview and restore the backup to any Android devices.
  • Supports 8000+ Android devices.
  • There is no data lost during backup, export, or restore.

Always remember to use this tool before you enter in the safe mode as you never know what will happen next and you might end up with factory resetting. This, as the result, will erase all your valuable data. So always perform backup data before you proceed.

To enter the safe mode, follow the instructions below.

Step  1 – First of all, long press the power button and let the Power options appear.

Power options

Step 2 – Now, long press on the “Power off” option. This will instantly ask you if you want to reboot into safe mode. Select the option and your device will reboot in safe mode.

‘Power off”

If you are using Android version 4.2 or earlier, turn off the Motorola Moto G13 device and turn it on the back by tapping the power button. When the logo appears, tap and hold the volume down button. This will allow the Motorola Moto G13 device to boot in safe mode.

Follow these steps carefully and now you can see a “Safe Mode” written at the corner of your device. This will confirm that you have successfully entered in Safe mode on Android.

Part 3: Safe mode on Android FAQs

In this section, we’ll discuss some frequently asked questions about the safe mode. Some users have many questions regarding the safe mode. Here we’ll try to cover some of them.

1. Why is My Motorola Moto G13 on safe mode?

This is a very common question around the world. For many Android device users, it’s quite common to see your phone in safe mode suddenly. Android is a secure platform and if your device sees any threat from your recently installed apps or any programs that want to harm your device; it would go into safe mode automatically. Sometimes, you might accidentally perform the steps discussed in part 2 and boot your device in safe mode.

2. Safe mode won’t turn off on My Motorola Moto G13

For the solution to remove safe mode from your device you must follow the step-by-step methods as mentioned in part 1. This will surely take your device out of the safe mode.

The safe mode is a very useful program for any Android device. But it limits the programs of Android and you must remove safe mode after uninstalling the harmful app. This article showed you how to turn off safe mode easily.

Try It Free Try It Free

How to Fix It: Motorola Moto G13 Won’t Turn On

Did your Motorola Moto G13 decide to go on vacation and refuses to turn on? If your Motorola Moto G13 won’t turn on for no apparent reason, finding why it failed to power on and the solution for it is not a fun process.

Here, we hope we are able to give you a checklist of reasons behind this issue and the possible steps you can take to rectify it.

Part 1: Common Reasons That Your Motorola Moto G13 Won’t Turn On

If you cannot find any reason why your Motorola Moto G13 will not switch on, here are some possible reasons:

  1. Your Android phone is simply frozen in power-off or sleep mode. In which case, it fails to switch itself on or wake itself up when you initiate it.
  2. Your phone’s battery may be out of charge.
  3. The operating system or installed software is corrupted. The tell-tale sign if this is that if you manage to switch on your Motorola Moto G13, it freezes or crash soon after.
  4. Your device is clogged up with dust and lint causing the hardware to not work properly.
  5. Your power button is broken , which caused it to not be able to trigger the necessary action needed to power up the Android phone. Check to also see if your connectors have no carbon build-up which will cause your phone to not be charged properly.

Part 2: Rescue Data on Android Phone That Will Not Turn On

If you need some help rescuing data from an Android phone that will not turn on, the Dr.Fone - Data Recovery (Android) will be your best friend in your data recovery attempt. With the help of this data recovery solution, you will be able to intuitively recover lost, deleted or corrupted data on any Android devices. Its flexibility and efficiency in rescuing data make it one of the best software out there.

Note: For now, the tool can rescue data from broken Android only if your phone is earlier than Android 8.0, or rooted.

Dr.Fone - Data Recovery (Android)

World’s 1st data retrieval software for broken Android devices.

  • It can also be used to recover data from broken devices or devices that are damaged in any other way such as those stuck in a reboot loop.
  • Highest retrieval rate in the industry.
  • Recover photos, videos, contacts, messages, call logs, and more.
  • Compatible with Motorola Moto G13 devices.

3981454 people have downloaded it

If your Motorola Moto G13 won’t turn on, here is how you can use the software to recover data:

Step 1: Launch Wondershare Dr.Fone

On your desktop computer or laptop, open Wondershare Dr.Fone. Click on Data Recovery on the left column. Connect your Motorola Moto G13 to the computer using a USB cable.

android phone won't turn on data recovery

Step 2: Decide which file types to recover

On the next window, you will need to check the boxes corresponding to the type of files you can recover from a list. You can get back Contacts, Messages, Call History, WhatsApp messages & attachments, Photos, Audio and more.

android phone won't turn on data recovery

Step 3: Select the problem with your phone

Opt for “Touch screen not responsive or cannot access the phone” or “Black/broken screen”. Click Next to continue.

android phone won't turn on data recovery

Look up for your device – pick the Motorola Moto G13 device Name and Device Model. Advance by clicking on the Next button.

android phone won't turn on data recovery

Step 4: Go into your Motorola Moto G13’s Download Mode.

The data recovery tool will guide you on how you can go into your Motorola Moto G13’s Download Mode. You should be getting a step-by-step guide on your computer.

android phone won't turn on data recovery

Step 5: Scan the Android Phone.

Using the provided USB cable, attach your Motorola Moto G13 to your computer – the data recovery tool should be able to discover your device automatically and scan it for recoverable data.

android phone won't turn on data recovery

Step 6: Review and Retrieve the Data from Broken Android Phone.

Wait for the program to finish scanning the phone – once completed, you will be able to get a list of recoverable files. You can have a preview of the file by highlighting them. Tick the box next to the file name and click on Recover to start retrieving the files and save them in the destination of your choosing.

android phone won't turn on data recovery

Part 3: Android Phone Won’t Turn On: One Click Fix

After repeated attempts, when your Android mobile/tablet stops buzzing, what options do you have to revive it?

Well, we would recommend picking Dr.Fone - System Repair (Android) to fix an Android phone will not switch problem. This one-click Android system repair tool resolves every Android system issue without any fuss including Android Phone won’t turn on issue.

Dr.Fone - System Repair (Android)

The real fix to issues like “Android phone will not switch on”

  • This tool is aptly effective for all the latest Motorola Moto G13 devices.
  • With a high success rate for fixing Android devices, Dr.Fone - System Repair (Android) ranks at the top.
  • This is a single click application to fix all Android system issues effortlessly.
  • It is the first tool to repair all Android system issues in the industry.
  • It is intuitive and requires no tech expertise to work with.

3981454 people have downloaded it

Prior to fixing the Android phone will not switch and getting things back in action. You need to make sure that you have backed up the Android device . It is recommended that rescuing data from an Android phone by backing up is better than recovering it post the process.

Phase 1: Get the Motorola Moto G13 device ready and connect it

Step 1: Run Dr.Fone on your computer once the installation is complete and tap the ‘Repair’ option form the interface. Now, connect your Android mobile with the computer.

fix Android Phone not turn on by repairing system

Step 2: You will find a range of options, tap on the ‘Android Repair’ one. Hit the ‘Start’ button so that you can proceed to fix Android Phone won’t turn on hassle.

star to fix Android Phone not turn on

Step 3: Now, over the Motorola Moto G13 device information window, ensure to feed your exact device details. Press the ‘Next’ button then on.

go to SMS to export text messages

Phase 2: Enter ‘Download’ mode for fixing your Motorola Moto G13

Step 1: You need to put your Motorola Moto G13 in Download mode for resolving the Android phone will not switch on.

  • For the Motorola Moto G13 device having ‘Home’ button, you got to switch it off and press ‘Volume Down’, ‘Home’, and ‘Power’ keys for 5-10 seconds at once. Let them go and click on the ‘Volume Up’ button to put your phone in ‘Download’ mode.

fix Android Phone not turn on with home key

  • For ‘Home’ button-less device, turn the phone/tablet down first. For 5 – 10 seconds, hold down the ‘Volume Down’, ‘Bixby’, and ‘Power’ buttons. Tap on the ‘Volume Up’ button to get into the ‘Download’ mode, after releasing the 3 buttons.

fix Android Phone not turn on without home key

Step 2: Hitting the ‘Next’ key will allow you to download firmware and proceed with the next step.

download firmware to fix Android Phone not turn on

Step 3: Dr.Fone - System Repair (Android) would verify your firmware download and then take a while to rectify and resolve Android Phone won’t turn on issue.

fixed Android Phone not turn on

Part 4: Android Phone Won’t Turn On: Common Fix

To try fixing an Android Phone that won’t turn on, follow these steps:

  1. For any Android devices, remove the battery (considering the battery of your Motorola Moto G13 can be removed) and leave it out for at least 30 minutes. Put back the battery in and try to turn it on.
  2. Press and hold down the Power and Volume Down buttons at the same time for 15-30 minutes to reboot the Motorola Moto G13 device.
  3. Should the first two steps do not work, charge your Motorola Moto G13 to get it out of the start-up loop. You can also opt to use a different battery, just in case your current battery is the source of the problem.
  4. If there are any connected hardware e.g. SD card, remove them from the Motorola Moto G13 device.
  5. Start your Motorola Moto G13 in Safe Mode by pressing and holding down the Menu or Volume Down button on your device.
  6. Should the first five steps do not work for you, perform a hard reset. Do take note that each device will have a different way to do so and that data that is stored locally on the phone will be deleted.
  7. Send your Motorola Moto G13 to the repair shop should none of these steps work.

Part 5: Useful Tips to Protect Your Motorola Moto G13

There are several reasons as to why your Motorola Moto G13 won’t turn on. The problem could be a hardware or software issue which could be prevented. Here are some useful tips to protect your Motorola Moto G13.

I. Hardware

  • Remember that the components that make your Motorola Moto G13 is sensitive. To protect these components from being damaged, use a good guard casing.
  • Take apart your Motorola Moto G13 and clean it routinely to avoid dust and lint from clogging the phone and overheating it.

II. Software

  • It is recommended to download apps from Google Play Store. This way, you can be sure that your app comes from a trusted source.
  • Read the app’s permission to see which part of the operating system and your personal information that you are giving access to.
  • Install reliable anti-virus and anti-malware software to safeguard your Motorola Moto G13 from malicious attacks.
  • Make sure you update your operating system, software and apps to make sure you have the latest version – the developer may have fixed the bugs that have caused problems on Android phones.

It is important to note that your phone contains some important data. Therefore, when your Motorola Moto G13 won’t turn on do not just give up - there are plenty of tools at your disposal to recover back your files and phone.

4 Ways to Fix Android Blue Screen of Death On Motorola Moto G13

Android is undoubtedly amongst the best smartphone platforms but comes with its own share of glitches. The Android screen of death is observed by many users all over the world who complain of their device screen turning blue rendering their phone/tablet unresponsive. This is called the Android blue screen of death and it usually occurs when you turn on your device by pressing the Power On button but your device does not boot up normally and remains stuck at a plain blue screen without any error message.

Such an Android screen of death is caused by a temporary software crash but can also occur due to certain hardware issues. We understand the inconvenience caused to you when you see the Android blue screen of death. Here are ways to fix the error and great software to extract all your data to keep it unaltered and safe.

Read on to learn more about the Android screen of death and ways to combat it.

Part 1: How to rescue data on Motorola Moto G13 with blue screen of death?

The Android blue screen of death issue is not a difficult problem to deal with and can be fixed by you by following the easy steps given in this article. We suggest that all readers rescue the data stored on their Android devices to prevent data loss and keep it stored in your PC from where it can be accessed and recovered by you anytime, anywhere. This task might sound tedious, but, we have for you Dr.Fone - Data Recovery (Android) , a software specially designed to retrieve data from broken and damaged Motorola Moto G13 phones and tabs, especially Motorola Moto G13 devices, and keep it safe in your PC without tampering with it or altering its format. It efficiently extracts data from broken or unresponsive Motorola Moto G13 devices, phones/tabs stuck at black/blue screen, or whose system crashed due to a virus attack.

Dr.Fone - Data Recovery (Android)

World’s 1st data retrieval software for broken Android devices.

  • It can also be used to recover data from broken devices or devices that are damaged in any other way such as those stuck in a reboot loop.
  • Highest retrieval rate in the industry.
  • Recover photos, videos, contacts, messages, call logs, and more.
  • Compatible with Motorola Moto G13 devices.

3,145,271 people have downloaded it

Follow the steps given below to extract data when you experience an Android screen of death:

1. Download, install, and run the Dr.Fone - Data Recovery (Android) tool on your PC. Connect your device using a USB cable and move on to the main screen of the software.

2. Once you launch the software, you will see many tabs before you. Click on “Data Recovery” > “Android”.

android blue screen of death-data extraction

3. And then choose “Recover from Broken Phone” from the program’s screen.

android blue screen of death-select file types

4. In this step, choose from the two options before you the true nature of your device as shown in the screenshot below.

android blue screen of death-select fault type

5. You will now be asked to feed in your phone’s model type and name as shown in the screenshot below. Give correct details for the software to identify your device smoothly and hit “Next”.

android blue screen of death-select phone model

6. In this step, refer to the instructions in your device manual to enter into Download Mode on your Motorola Moto G13 and hit “Next”. An example of what to do to reach Download Mode is shown below.

android blue screen of death-boot in download mode

7. Finally, let the software recognize your Motorola Moto G13, and start to download the recovery package for your device.

android blue screen of death-download recovery package

8. Once it does, you will be able to preview all the files on the screen in front of you before you hit “Recover to Computer”.

android blue screen of death-extract files

The process may take up to a few minutes and once it’s done all your files will be extracted and stored on your PC. You can now move on to troubleshooting the problem without the fear of losing all your important data.

safe Downloadsafe & secure

Part 2: One click to fix the Android blue screen of death

We understand how annoying it is to see the Android blue screen of death and fail to access your device data. But, with Dr.Fone - System Repair (Android) , your troubles would burst away.

This software effectively fixes Android screen of death issue along with app crashing, bricked or unresponsive device, stuck on Motorola Moto G13 logo, etc. All Android issues are well taken care of by Dr.Fone - System Repair (Android) with one click.

Dr.Fone - System Repair (Android)

Easy and effective solution to fix the Android blue screen of death

  • Every kind of Android system error and problem is resolved.
  • It is the premier Android repair software in the market.
  • All the latest Motorola Moto G13 devices are supported by this program.
  • Android blue screen of death can be fixed with a single click.
  • Easy to use and no technical skills are needed to operate it.

4,750,154 people have downloaded it

Note: Backing up your device is significant before you carry out the Android repair process. The process of fixing the Android blue screen of death issue may erase data from your Motorola Moto G13. So backing up your Android seems a viable option.

Phase 1: Connecting your Android after preparing it

Step 1: Installation and running Dr.Fone - System Repair (Android) on your system takes you to the main screen. Choose the ‘System Repair’ option followed by connecting the Android device.

fix Android blue screen of death by android repair

Step 2: Press the ‘Android Repair’ option before tapping the ‘Start’ button.

start to fix Android blue screen of death

Step 3: Over the Motorola Moto G13 device information window, select all relevant data about your device followed by the ‘Next’ button.

select data to fix Android blue screen of death

Phase 2: Initiate repairing after entering ‘Download’ mode

Step 1: Get the Motorola Moto G13 device in ‘Download’ mode to fix the Android blue screen of death issue. Here is how –

  • On a ‘Home’ button-less device – you need to switch off the Motorola Moto G13 device. Now, hold the ‘Volume Down’, ‘Power’, and ‘Bixby’ keys together for about 10 seconds and release. Hit the ‘Volume Up’ key to get into ‘Download’ mode.

fix android without home key

  • On a ‘Home’ button device – shut down the Android phone/tablet, and then push the ‘Power’, ‘Volume Down’, and ‘Home’ keys for 10 seconds. Let go of the keys and press the ‘Volume Up’ key to enter ‘Download’ mode.

fix android with home key

Step 2: Tap the ‘Next’ button to download firmware.

download firmware to fix android without home key

Step 3: Dr.Fone - System Repair (Android) would verify the firmware post-download. It will start repairing the Android system automatically.

android system repaired

safe Downloadsafe & secure

Part 3: Force Restart Your Motorola Moto G13

A force restart is a basic step that can clear minor software glitches. It has the potential to resolve the Android blue screen of death issue. Force restarting your device can clear temporary bugs and reset all processes. It is a simple yet often overlooked way to fix the Android blue screen of death issue. Use the following steps to force restart your Motorola Moto G13:

Step: On your Motorola Moto G13, press and hold the “Power” and “Volume Down” keys for around 10 seconds. Release the keys when your device reboots and wait for it to complete rebooting.

force restart android phone

Part 4: Remove phone battery to fix blue screen of death

The best home remedy to fix any kind of Android screen of death remove the Motorola Moto G13 device’s battery. This technique might sound too simple, but it has solved the Android blue screen of death issue for many users whose devices started normally after reinserting the battery. Here is what you should do.

1. Open the back cover of your Motorola Moto G13 and carefully remove its battery.

android blue screen of death-remove the battery

2. Let the battery be out for 5-7 minutes. Meanwhile, long press the power button to drain out any residual charge from your device.

3. Now reinsert the battery and attach the back cover.

4. Turn on your device and see that it boots normally all the way to the Home/Locked Screen without getting stuck at Android blue screen of death.

Note: Not all Android devices allow you to remove their battery. If you own such a device, try the next step as it is your only option to fix the Android blue screen of death problem.

Part 5: Put out your SIM Card/SD card and reinsert

In some cases, issues related to the Android blue screen of death can be caused by problems with the SIM card or SD card. Removing and reinserting these cards can help resolve potential conflicts or glitches. Remember that this method can help resolve issues related to SIM card or SD card conflicts. However, it may not address more complex software or hardware problems causing the blue screen issue.

Part 6: Clean or change the LCD connector

If you’re facing the Android blue screen of death issue, the issue might be related to a hardware problem. The problem can be a loose or damaged LCD connector. In this scenario, you can try cleaning or changing the connector. This method is more advanced and involves disassembling your device. That’s why you need to proceed with caution and only if you’re comfortable with hardware tasks.

clean or change the lcd connector

Part 7: Update to the latest Android version

Software problems can manifest the Android equivalent of a blue screen of death. It is usually triggered by errors or anomalies within the operating system. To address these concerns, upgrading to the most recent version of the Android OS proves effective. However, updating your device’s software could introduce fresh glitches or compatibility conflicts. These steps outline the process of updating your device to the latest OS:

Step: Open the Settings app on your Motorola Moto G13 by locating and launching it. Proceed by scrolling through the options and selecting “Software Update.” In the ensuing screen, choose “Download and Install” to start a search for any available updates.

update the android os

Part 8: How to fix the Android blue screen of death by factory reset?

The Android screen of death is a very confusing issue as it freezes your device at a blue screen with no options to navigate further. In such a situation you may consider performing a Factory Reset, better known as Hard Reset as you will need to enter Recovery Mode to implement this technique. Although resting your device will wipe off all its data but you don’t need to worry as Dr.Fone toolkit Android Data Extraction software can retrieve all your files and keep them safe.

Accessing Recovery Mode differs for different Android devices. Thus, we suggest that you consult your device manual to understand how to boot into Recovery Mode on your particular Android device and then follow the steps given below:

Once you are on the Recovery Screen, you will see a list of options before you, similar to the screenshot below.

android blue screen of death-recovery mode

Use the Volume Down button to scroll downwards and reach the “Wipe data/Factory reset” option.

android blue screen of death-wipe data factory reset

Now use the power button to select it and wait for the Motorola Moto G13 device to reboot automatically.

You will notice that the Android device will turn back on without getting stuck at the Android blue screen of death. Now you can set up your device from scratch.

Part 9: What Should You Do if Android Still Stuck on Blue Screen?

Have you tried all the methods, and your Motorola Moto G13 is still stuck on the blue screen of death? In this case, it’s important to consider the possibility of a hardware issue. Remember that hardware issues can be complex. Trying to fix things without the right expertise can result in additional harm. If you’re uncertain about the next steps, it’s wisest to ask for assistance from a trained professional.

The Android screen of death, especially the Android blue screen of death, is not a very pleasant sight and could worry you. The good news is that this problem can be fixed by you sitting at home without any technical assistance. Follow the simple and easy tips given above to reboot your device and use the Dr.Fone - Data Recovery (Damaged Device) tool to rescue your data in the most efficient and effective way, then use Dr.Fone - System Repair (Android) to repair your Motorola Moto G13.

safe Downloadsafe & secure


Also read:

  • Title: Android Safe Mode - How to Turn off Safe Mode on Motorola Moto G13? | Dr.fone
  • Author: Ariadne
  • Created at : 2024-05-20 09:03:34
  • Updated at : 2024-05-21 09:03:34
  • Link: https://howto.techidaily.com/android-safe-mode-how-to-turn-off-safe-mode-on-motorola-moto-g13-drfone-by-drfone-fix-android-problems-fix-android-problems/
  • License: This work is licensed under CC BY-NC-SA 4.0.