8 Workable Fixes to the SIM not provisioned MM#2 Error on Oppo Reno 8T

SIM cards are small chips that act as a connecting medium between your cell phone and your carrier. It is programmed to help your carrier identify your cell phone account with certain information. And eventually, you are enabled to make calls and to make use of mobile internet. Now, if your device is showing “SIM not provisioned” on Android then it signifies that the connection to carrier network cannot be established or perhaps, your carrier isn’t able to identify your cell phone account.

Part 1. Why does the error “SIM not provisioned MM#2” pop up?

There can be numerous reasons behind the pop up that reads “SIM not provisioned” on Android. But basically, it most probably affects the users who have registered a new SIM card. If you get to experience this issue in other situations or if the SIM is not working in Android, then the problem is with the SIM card and needs to be replaced. Anyways, here is a list of situations when the “SIM not provisioned” error may bother you.

• You got a new SIM card for your new phone.
• You are transferring your contacts into the new SIM card.
• In case, the carrier network provider’s authorization server is unavailable.
• Perhaps, you’re out of the reach of the carrier coverage area and that too, without active roaming agreement.
• Though new SIM cards work flawlessly. But it is often necessary to get your SIM card activated due to security reasons.

Just in case, you haven’t bought any new SIM card and the one you were using was working fine until now, then the most probable reasons behind it could be listed below:

• If your SIM card is too old, possibly it might have gone dead, try replacing it.
• Perhaps, the SIM card was not properly inserted into the slot or there might be some dirt between the SIM and smartphone pins.

A yet another reason could be that your SIM card got deactivated by your carrier provider as it could have been locked to a particular phone. Now, if you insert such a SIM card to another device or a new device even, you may get to witness a message that reads “SIM not valid”.

2.1 One click to fix the “SIM not provisioned MM#2” error on Android

Without talking any further, let’s straightly get to the first and the easiest way to repair SIM not provisioned issue on Android. For this purpose, we’re glad to introduce Dr.Fone - System Repair (Android) , one of its kind of tool that is capable of repairing almost all sort of Android OS issues in just a matter of few clicks. Whether it is SIM not provisioned on Android or SIM not working in Android or your device stuck in a boot loop or black/white screen of death. The most probable reason for these errors is Android OS corruption. And with Dr.Fone – Repair (Android) you can efficiently and effectively repair your Android OS in a hassle freeway.

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• Supports all Android OS versions.

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Step by step Tutorial to fix “SIM not provisioned MM#2” error

Step 1. Connect your Oppo Reno 8T

Download and launch the Dr.Fone toolkit on your computer and then opt for the “System Repair” option from the main interface. Meanwhile, get your Oppo Reno 8T connected with the computer using a genuine cable.

Step 2. Opt for Android Repair and key in important information

Now, hit on the “Android Repair” from the 3 options on the left, followed by hitting the “Start” button. From the upcoming screen, you’ll be asked to key in important device-related information, like brand, model, country, and carrier details. Hit “Next” afterward.

Step 3. Boot your device in Download mode

You must put your device in Download mode for better repairing of your Android OS. Simply follow the onscreen guide to boot your Android in DFU mode and hit “Next” thereafter. Once done, the software will automatically start downloading the most compatible and recent firmware for your device.

Step 4. Initiate Repairing

As soon as the download completes, the software verifies the firmware and automatically initiates repairing your Oppo Reno 8T. Within a short period, you’ll notice that your Oppo Reno 8T has been successfully repaired.

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2.2 Ensure the SIM card is not dirty or wet

At times, the issue can be as simple as cleaning your SIM card and SIM slot properly. Ensuring that SIM is not wet either and then putting it back into its place. If this works, then the SIM not working in Android was due to the dirt or moisture that was preventing proper contact between SIM card pins and smartphone circuit.

2.3 Insert the SIM card correctly

If your SIM card was working properly until yet, there is a good possibility that the SIM card may have moved a bit from its actual location. Eventually, there is poor contact between the SIM card pins and the circuit. Try inserting your SIM card properly with the following steps.

• Power off your Oppo Reno 8T and with the help of Q pin, eject the SIM card holder from the SIM slot of your device.
• Now, grab a soft rubber pencil eraser and gently rub it in on the gold pins of SIM card to clean them properly. Then, with the help of a soft cloth wipe away the rubber residue from the SIM card.
• Next, push the SIM back into the SIM card holder properly and push it back into the SIM slot now.
• Turn your device back on and look if your SIM not provisioned on the Android issue is resolved or not.

2.4 Activate the SIM card

Usually, when you buy a new SIM card, it gets automatically activated within 24 hours of being plugged into a new device. But if that’s not happening in your case and you’re wondering how to activate SIM card, make use of the three options below to enable activation:

• Call your carrier service provider
• Send an SMS
• Log on to your carrier’s website and look for the activation page over it.

Note: The aforementioned options are straightforward and are quick ways to enable activation. It depends on your carrier network whether they support them.

2.5 Contact your carrier

Even if your SIM isn’t activated, grab another working device to make a phone call to your carrier or network. Ensure, to explain the entire situation and the error message to them. Be patient while they investigate the issue. It may eat up a heck load of time or may get resolved in a few minutes that completely depend upon the complexity of the issue.

2.6 Try the other SIM card slot

A yet another reason why SIM not working in Android can be because of the SIM card slot might have gone corrupted. Thanks to the dual SIM technology, you do not have to rush immediately to get it to check or repair. You can simply rule out this possibility by ejecting the SIM card from its original SIM slot and then replacing it into the other SIM card slot. If this solution did work out for you then it is obvious that the problem was with the SIM card slot that got corrupted. And hence, it was triggering SIM not responding issue.

2.7 Try the SIM card in other phones

Or just in case, you’ve still no joy and the SIM not provisioned on Android message is bothering you. Try making use of another Android device. Eject the SIM card from the Oppo Reno 8T device which is creating problems and try plugging it into other Oppo Reno 8T] and other smartphones. Perhaps, this will let you know whether the issue is with your device only or with the SIM card itself.

2.8 Try a new SIM card

Still, wondering how to fix SIM not provisioned? Perhaps, nothing worked for you, right? Well, on that note, you must head to your carrier store and request a new SIM card. Also, inform them about the “SIM not provisioned MM2” error, they will be able to execute proper diagnostics over your old SIM card and hopefully get it resolved. Or else, they’ll equip you with a brand new SIM card and swap the new SIM card into your device and get it activated in the meantime. Eventually, restoring the normal functioning of your device.

Conclusion

In wrapping up, SIM not provisioned errors on Android can be troubling, but they’re certainly fixable. There are several methods, from a simple device restart to reaching out to your network provider. But if these don’t work, we suggest trying Dr.Fone - System Repair (Android) . This tool is known for its ability to handle an array of Android issues and could be just what your device needs. Navigate your tech challenges with ease using Dr.Fone.

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Quick Fixes for Why Is My Oppo Reno 8T Black and White

Why is My Oppo Reno 8T in black and white? This sudden shift in display colors can be perplexing and impact user experience. This issue affects various devices, including Oppo Reno 8T and other Android models. The abrupt shift to monochrome can impact your daily use. It can make apps and content appear dull.

If you’re asking why is my Android phone in black and white, then you’re in luck. Dive into the article below to unravel the causes behind your phone’s black-and-white display. Discover insights on addressing this unexpected issue, enhancing your overall mobile experience.

Part 1. Phone Screen in Black and White? Easy Fixes for Android Devices

Discovering your Oppo Reno 8T going monochrome can be annoying. The section below answers the question: why did my Oppo Reno 8T phone go black and white? It involves a combination of software adjustments and careful troubleshooting. Follow the practical solutions below to restore vibrant colors to your device.

Accessibility Settings

Accidental activation of accessibility settings may turn your display monochromatic. The “Grayscale“ or “Color Inversion“ option in the Accessibility or Vision section of your phone’s settings might be enabled. It can cause a black-and-white display. Here’s the solution:

• Step 1: Open your phone’s settings. Navigate to the Accessibility or Vision section.

• Step 2: Disable the Grayscale or Color Inversion option.

App Conflicts

Certain third-party apps can cause conflicts, leading to a black-and-white display . Newly installed apps might be the culprit, affecting your device’s color settings. Some apps also have grayscale modes that can impact the overall display. Here’s how to fix it:

• Step 1: Identify and uninstall recently installed apps.
• Step 2: Check individual app settings for grayscale modes.

System Glitches

System glitches or software bugs can trigger display issues. It can result in a black-and-white screen. Outdated software versions may contain bugs affecting color output as well. Regularly checking for software updates can prevent or resolve such glitches. Here’s how.

• Step 1: Go to your phone’s settings. Check for software updates in the Software update or System update section.

• Step 2: Update your device if there is a software update available. Ensure your device is running the latest software version.

Battery Saving Modes

Battery-saving modes can also alter display settings to conserve energy. It can sometimes result in a black-and-white screen. These modes limit power consumption by reducing color output. Reviewing and adjusting these settings can restore the normal color display. Follow the steps below.

• Step 1: Open your Oppo Reno 8T’s Settings. Navigate to the Battery or Battery & Performance section.

• Step 2: Check and adjust battery-saving settings, including toggling power-saving modes on or off.

Hardware Issues

In rare cases, hardware issues may cause a black-and-white display. Physical damage, loose connectors, or problems with the display hardware can impact color reproduction. Identifying and addressing these hardware issues may be crucial for resolving the problem. Here’s what you should do.

• Step 1: Check for physical damage, loose connectors, or display hardware issues.

• Step 2: Seek professional assistance or contact the Oppo Reno 8T device manufacturer if hardware problems are suspected.

Consider a reliable third-party tool if your phone persists in black and white despite troubleshooting attempts. Tools such as Dr.Fone System Repair Android offer advanced solutions for complex system issues. They ensure your phone regains its vibrant display without a hitch.

Part 2. Using a Dedicated Tool: Dr.Fone for Fixing Black and White Display Problems

Dr.Fone is a reliable solution for addressing black-and-white display issues on Android devices. For a stress-free repair experience, follow these simple steps using Dr.Fone - System Repair (Android).

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• Step 1: Download and install Dr.Fone. Launch the program and click on System Repair on the main window. Connect your Oppo Reno 8T to the computer using the correct cable. Choose Android among the options.

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• Step 2: Provide accurate device information, including brand, name, model, country/region, and carrier details. Confirm the warning and click Next.

• Step 3: Follow the on-screen instructions and wait for the program to download the firmware. Once downloaded and verified, Dr.Fone automatically initiates the repair process on your Oppo Reno 8T.

• Step 4: After a while, your Oppo Reno 8T will have all system issues fixed. Click Done to complete the process or choose Try again if the problem persists, allowing you to repeat the steps.

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Note

It’s highly recommended to back up your Android data before using Dr.Fone for repair.

How Dr.Fone Can Help You Beyond Display Issues

Beyond resolving black-and-white display problems, Dr.Fone serves as a comprehensive tool for all Android issues. The platform can enhance your device functionality.

Key Features

Here are key features that make Dr.Fone an invaluable resource:

• Fix All Kinds of Android Problems

Dr.Fone is designed to address a wide range of Android issues. These include black screens, malfunctioning Play Store, app crashes, boot loops , and bricked Android devices . Its versatility makes it a go-to solution for diverse system challenges.

• Wide Device Compatibility

With support for over 1000 Android models, Dr.Fone ensures compatibility with a vast array of devices. The platform is versatile and a widely applicable tool for Android users.

• High Success Rate

Dr.Fone boasts a high success rate in resolving Android issues. It provides users with confidence in its effectiveness and reliability.

Additional Functionalities

Below are additional functionalities of Dr.Fone that support your device to keep it in top shape.

• **Phone Manager.**Fone acts as a comprehensive phone manager. It allows you to transfer contacts, SMS, photos, videos, and more between your Oppo Reno 8T and computer. The feature simplifies data management and ensures seamless organization.
• Phone Backup. The tool enables selective backup of Android data on a computer. It provides you with the flexibility to safeguard essential information. The selective backup feature ensures efficient use of storage and allows for easy restoration when needed.
• **Screen Unlock Without Losing Data.**Fone offers a secure way to unlock the screen of Android devices without losing data. You can regain access to your devices without compromising valuable data, whether due to forgotten passwords, pattern locks, or PINs.

Part 3. Tips for Maintaining Your Phone Display Brilliance

Maintaining a vibrant phone display enhances user experience and ensures optimal visual clarity. Follow these tips to keep your phone’s display at its best:

Adjust Brightness Mindfully

Optimize brightness settings based on ambient lighting. Avoid excessively high brightness levels, which can strain your eyes and impact battery life.

• Update Regularly

Keep your phone’s software up-to-date to benefit from performance enhancements, bug fixes, and display optimizations provided by system updates.

• Be Mindful of Background Apps

Close unused background apps to free up system resources and prevent unnecessary strain on your phone’s display and overall performance.

• Use Static Wallpapers

Dynamic wallpapers and live backgrounds consume more power. Opt for static wallpapers to reduce battery drain and maintain consistent display performance.

• Avoid Extreme Temperatures

Exposure to extreme hot and cold temperatures can affect your phone’s display and overall performance. Store your device in a moderate environment.

• Implement Screen Timeout

Set a screen timeout to turn off the display when not in use automatically. This conserves battery life and prevents unnecessary wear on the screen.

• Clean Your Screen Regularly

Fingerprints, dust, and smudges can affect display clarity. Clean your screen regularly with a microfiber cloth to ensure a crisp and vibrant view.

• Secure Your Phone

Implement security measures to prevent unauthorized access. This protects your data and ensures the display remains secure and untouched.

• Enable Night Mode

Many phones offer a night mode that reduces blue light emission. It promotes better sleep and reduces eye strain, especially during nighttime use.

• Implement App-Specific Settings

Some apps have specific display settings. Explore and adjust these settings within individual apps to enhance your visual experience and reduce strain.

Conclusion

The guide highlights the “Why is My Oppo Reno 8T black and white“ query. It offers practical solutions for Android and Oppo Reno 8T users. By addressing common issues such as accessibility settings, app conflicts, and system glitches, you can restore their vibrant displays. Maintaining your phone display involves mindful practices, from adjusting brightness to regular updates.

The guide provided solutions for display issues and showcased the versatility of Dr.Fone System Repair Android. It’s a holistic solution for users seeking a seamless and reliable Android experience, addressing diverse concerns with precision and efficiency.

Stuck at Android System Recovery Of Oppo Reno 8T ? Fix It Easily

In this article, you will learn what is Android system recovery, and how to fix Android stuck at system recovery step by step. To get out of Android system recovery more easily, you need this Android repair tool.

You know your Oppo Reno 8T is stuck in recovery mode when you cannot turn on the Oppo Reno 8T device. If you try to turn it on, it shows a message that says, “Android System Recover.” This situation can be quite debilitating for most Android users. Most of the time, you don’t know whether you have lost all of your important Android data. It is even more worrying because of the fact that you cannot turn on your device at all, especially when you don’t know how to fix it.

Part 1. What is Android System Recovery?

Despite all the worry that surrounds an unwanted Android system recovery screen, it is actually a feature that can be quite helpful to your Oppo Reno 8T when it’s needed. It can be useful when you want to hard reset the Android device without having to access the settings. This can be very useful if your device is not working very well or if your touch screen is experiencing problems. It can also be very helpful when you are having a problem accessing the settings on your device.

For these reasons, it is actually a good thing, although when it does happen unexpectedly, you may want to know how to fix it.

Part 2. How to get to Android System recovery

Now that you know how useful the Android System can be, you may want to know how to utilize this feature to get out of some of the problems we mentioned above. Here’s how you can safely get to the Android recovery system on your Oppo Reno 8T.

Step 1: Hold down the power key and then select “Power Off” from the options on the screen. If, however, your screen is unresponsive, keep holding the power key for several seconds until the Oppo Reno 8T device is completely turned off.

Step 2: Next, you need to hold down the Power and the Volume Key. You should able to see the Android image and a bunch of information about your device. There should also be a “Start” at the top right corner of the screen.

Step 3: Press the Volume up and Volume down keys and use the Power key to select menu options. Press the Volume down key twice to see “Recovery Mode” in red at the top of the screen. Press the Power key to select it.

Step 4: The white Google logo will appear immediately followed by the Android logo again as well as the words “No Command” at the bottom of the screen.

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Step 5: Finally, press and hold both the Power and the Volume up Key for around 3 seconds and then let go of the Volume up Key but keep holding the Power Key. You should see the Android system recovery options at the top of the screen. Use the Volume keys to highlight and the Power key to select the one you want.

Part 3. Android Stuck at System Recovery? How to fix in one click?

Sometimes during the System Recovery process, the process can glitch, and you’ll lose data on your device, rendering it unusable. However, another solution to fix this is to repair your device using the Dr.Fone - System Repair tool.

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Here’s a step by step guide on how to use it yourself;

Note: Be aware that this process can erase all your personal files on your device, so ensure you’ve backed up your Oppo Reno 8T before continuing.

Step #1 Head over to the Dr.Fone website and download the software for your Windows computer.

Once installed on your computer, open onto the main menu and connect your Oppo Reno 8T using the official USB cable. Select the System Repair option.

Step #2 Select the ‘Android Repair’ option from the next screen.

Insert your device information, including the brand, carrier details, model and country and region you’re in to ensure you’re downloading the correct firmware.

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Step #3 Follow the onscreen instructions on how to put your device in Download Mode.

Your device should already be in this mode but follow the instructions to make sure. There are methods available for devices, both with and without home buttons.

Step #4 The firmware will now start downloading. You’ll be able to track this process in the window.

Ensure your device, and your computer stays connected the entire time, and make sure your internet connection remains stable.

After downloading, the software will automatically start to repair your device by installing the firmware. Again, you can track the progress of this on the screen, and you’ll need to ensure your device remains connected throughout.

You’ll be notified when the operation is complete and when you’re able to disconnect your phone and use it as normal, free from it being stuck on the Android system recovery screen!

Part 4. Android Stuck at System Recovery? How to fix in a common way?

If, however, your device is stuck on system recovery mode, here’s how you can easily get it out of system recovery. The process is slightly different for different Android devices, so you should check your device’s manual before attempting this process.

Step 1: Power off the Oppo Reno 8T device, and just to be sure, take out the battery to ensure that the Oppo Reno 8T device is fully turned off. Then reinsert the battery.

Step 2: Press and hold down the Home button, Power Button, and the Volume up Key simultaneously until the Oppo Reno 8T device vibrates.

Step 3: Once you feel the vibration, release the power button but continue to hold down the Home and Volume up Key. The Android recovery screen will display. Release the Volume up and Home buttons.

Step 4: Press the Volume down key to select the “Wipe Data/ Factory Reset option and then press the Power button to select it.

Step 5: Next, you need to press the Volume down button to highlight “Delete All User Data” and then press the Power button to select it. The device will reset and present the “Reboot System Now” option.

Step 6: Finally, press the Power button to reboot the phone in normal mode.

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## Part 5. Backup and Restore Android System

Losing data on your Oppo Reno 8T is a common occurrence, and since Android devices don’t really have an automatic full backup solution, it is important to know how to backup and restore your device system. Here’s how to easily do that.

Step 1: Enter the recovery mode on your Oppo Reno 8T, as described in Part 2 above. Use the Volume and Power keys to select the “Backup & Restore” option on the screen.

Step 2: Tap on the backup option or use the Volume and Power keys if your screen is unresponsive. This will begin backing up your system to the SD card.

Step 3: After the process is complete, choose “Reboot” to restart the Oppo Reno 8T device.

Step 4: You can then simply check Recovery > backup directory on your SD card. You can rename it to easily find it later during the restore process.

To restore the system from the backup created, follow these simple steps.

Step 1: Once again, enter recovery mode as described in part 2 above and then choose Backup & Restore from the menu list.

Step 2: Press “Restore” to begin the recovery process from the Backup file we created

Step 3: You will be notified when the system restore is complete.

Android system recovery mode can be quite useful, especially when your system is unresponsive. As we have also seen, it is important to know how to get into and out of System Recovery mode if you are going to backup and restore your Android system. It is also quite easy to do both of these things.