What is the MMI Group App?

The MMI Group app comes pre-installed on Samsung devices and serves as a tool for seamlessly syncing your device with others, allowing you to control various synced components through your phone. The app is equipped with pre-granted permissions for multiple functions essential to both its operation and the overall system.

Concerns about safety may arise given the extensive permissions, but rest assured, the MMI Group app is entirely secure. Despite the apparent complexity of permissions, the app underwent thorough safety vetting before integration into Samsung devices, eliminating any need for concern.

Furthermore, conducting an antivirus scan on your phone reinforces the app’s safety. In a test using Malwarebytes on a Samsung device with the pre-installed MMI Group app, no threats were detected. In summary, the MMI Group app is not a malware or spyware, providing a safe and worry-free user experience.

Which devices is MMI Group App available on?

The MMI Group app is exclusively accessible on specific Samsung devices and is not compatible with other brands. This application plays a crucial role in device synchronization within a home setting and is integrated into the Samsung firmware. However, its availability is limited to specific models within the Samsung lineup, including the Samsung Galaxy A21 and Samsung A7.

Our investigation indicates that the MMI Group app is predominantly pre-installed on Samsung Galaxy A21 devices.

Can you remove or disable the MMI Group App from your phone?

Regrettably, when navigating to the Applications List on your Samsung device and attempting to locate the MMI Group app, you’ll observe that the option to disable it is grayed out. In simple terms, disabling the MMI Group App directly from your phone is not possible.

Moreover, removing the MMI Group App from your device is not an available option either. The primary reason behind this limitation is that the MMI Group app comes pre-installed with Samsung’s firmware. Essentially, it is integrated into the phone’s system and is essential for specific operations, making manual removal impractical without utilizing workarounds.

How to delete the MMI Group app from your Samsung device?

One method to remove the MMI Group app involves connecting your phone to your computer and manually uninstalling it.

Please note that this process can be a bit tedious and requires a basic level of computer knowledge. However, by following this method, you can uninstall apps that cannot be disabled on Android, including the MMI Group app on your Samsung device.

Step 1: Enable USB debugging on your phone

  1. Open the Settings app on your phone and scroll down to the About Phone section.
  2. Continuously tap on the Build Number or version seven times until you see the toast message stating, “You have now entered Developer Mode.”
  3. Return to the Configuration menu, select Developer Options from the System drop-down menu (this may be found under ‘Additional Settings’ on some phones).
  4. Toggle the Developer Options switch to the on position. Scroll down to the USB Debugging section and turn it on.

Step 2: Connect your phone to your computer

  1. With USB debugging enabled, connect your phone to your PC or laptop using a compatible USB cable.
  2. Ensure that the ‘Transfer Files’ mode is selected from the notification pane.
  3. When prompted to “Allow USB Debugging,” check the box next to ‘Always allow from this computer’ and press OK.

Step 3: Download and install ADB Drivers on your computer

  1. If you haven’t already, install ADB drivers on your PC. You can obtain the package for Windows, Mac, or Linux.
  2. After installing ADB, navigate to its directory, right-click, and select Open PowerShell Window here by holding down the Shift key and clicking.
  3. Type “ADB devices” to check if your device’s code name and serial number appear.

Step 4: Use ADB commands to uninstall stubborn applications

  1. Download and install the App Inspector app from the Google Play Store to find the package names of apps on your phone.
  2. Look for the MMI Group app’s package name in App Info on your device. If not available, use a third-party app to discover package names.
  3. Utilize ADB commands to uninstall the app. The general code is “pm uninstall -k –user 0 <name of package>.”

This method doesn’t require rooting your phone or voiding its warranty. However, exercise caution when uninstalling sensitive apps, as it may impact certain phone functionalities.

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5 Ways to Fix ‘Connection Problem Or Invalid MMI Code’ Error with USSD Codes?

When attempting to dial a USSD code on an Android phone, you might encounter an error message like “Connection issue or invalid MMI Code.” This issue can lead to restrictions on various activities such as text messages, phone calls, checking account balances, and recharging mobile numbers, posing a significant problem.

To address this issue, we have compiled a list of simple yet effective solutions.

Method 1: Activate Safe Mode

Putting your device into Safe Mode temporarily disables pre-installed programs and services, aiding in the identification of any application causing interference with the phone’s network operations.

  1. Power off your phone.
  2. Press and hold the power button until the phone enters Safe Mode.
  3. While holding down the power button, tap the menu button until “safe mode” appears at the bottom left of the screen.

Method 2: Modify the Prefix Code

An alternative solution involves adding a comma (,) after the prefix code (*135#) to force the procedure to check for errors in the data. Alternatively, you can use the symbol +1 (+1) following your prefix code, achieving a similar effect as the comma character.

Method 3: Activate Radio to Turn on IMS over SMS

Dealing with connectivity problems can involve using a VPN service provider. Enable IMS through SMS by entering the information mode, activating the radio, and restarting your mobile device.

  1. Perform a ping test by entering ##4636## into the dialer.
  2. Once the ping test is done, select ‘Turn Off Radio’ and then choose “Turn on IMS over SMS.”
  3. Restart your mobile device.

Method 4: Restart the Phone Multiple Times

Simply restarting your phone and accessing network settings can resolve the issue. Hold down the power and home buttons simultaneously when your phone turns off, then turn it back on if necessary.

Method 5: Choose a Network Operator

Navigate to Settings > Network Connection > Mobile Networks > Network Operators. Choose your service provider from the list of available networks, repeating the process 4-5 times until functionality is restored.

Method 6: Examine Network Configuration

Check network settings by following these steps:

  1. Select Settings Widget from the drop-down menu.
  2. Choose Network Connection from the drop-down menu.
  3. Navigate to Mobile Networks.
  4. Look for Network Operators and wireless providers while searching.
  5. Reconnect three or four more times until the network operates properly again.


In conclusion, the MMI Group App is a pre-installed application exclusively available on selected Samsung devices. Designed to facilitate seamless syncing between Samsung devices, it allows users to control various components using their phones. While its extensive permissions may raise initial concerns, the app is deemed safe, having undergone thorough vetting before integration into Samsung devices. Notably, the MMI Group App cannot be disabled or removed manually due to its integration into Samsung’s firmware. Despite this limitation, users seeking alternative solutions can explore methods such as connecting their phones to a computer for manual uninstallation or employing specific ADB commands. Understanding the nature and functionality of the MMI Group App provides users with valuable insights into its role within the Samsung ecosystem.

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