Fix: Carrier Hub Processing Requests – Constant Notification Won’t Go Away

Those who’re using the T-Mobile or Sprint carrier on their devices especially on the Samsung Galaxy models may encounter the consistent notification issue whatsoever. It seems that after the recent patch update on the Galaxy devices, plenty of users are getting irritated by the Carrier Hub Processing Requests – Constant Notification Won’t Go Away issue all the time on the notification panel. The processing requests notification remains infinitely.

Well, Carrier Hub is a mobile application for the T-Mobile or Sprint carrier users that allows voice over Wi-Fi (VoWi-Fi), Secure Wi-Fi on devices specific to the T-Mobile/Sprint carrier network. It also works as a network engineering for customer-reported services and issues. Now, if you’re one of the victims to encounter the same issue then you can follow this troubleshooting guide to try resolving this issue. So, without further ado, let’s get into it.

Fix: Carrier Hub Processing Requests - Constant Notification Won't Go Away

Fix: Carrier Hub Processing Requests – Constant Notification Won’t Go Away

Although the Carrier Hub app may stop working or crash sometimes, the chances are high that the processing requests notification can’t be closed from the notification shade on the Samsung Galaxy devices. T-Mobile One UI 4 Beta 2 Notification panel showing “MCM client requests processing” all the time according to reports on the GalaxyS21 subreddit. So, here we’ve provided some workarounds that may help you out.

Do keep in mind that not everyone will gonna be benefitted from the following methods. Still, you should them all one by one.

Fix: Carrier Hub Processing Requests - Constant Notification Won't Go Away


1. Update the Carrier Hub app

If restarting your handset doesn’t come in handy for you then make sure to update the Carrier Hub app. You should head over to the Google Play Store app > Search for Carrier Hub and check whether there is the latest update available or not. Sometimes an outdated Carrier Hub app version can also cause several issues with stability or performance. If the update is available, just install it.

  • Open the Google Play Store app > Tap on the three-dots icon at the top-right corner. [profile icon]
  • Go to My apps & games > Here you’ll find out Carrier Hub if there is an update available.
  • Tap on Update next to Carrier Hub > It’ll automatically install the update.

2. Clear the Cache and Storage of Carrier Hub

The second thing you can do is to simply clear out the Carrier Hub app cache and the storage data from the settings menu to refresh the app cache & storage if anything conflicts with it. Sometimes a corrupted app cache or data can cause such crashing issues. To do so:

  • Go to the device Settings menu > Tap on Apps & Notifications.
  • Tap on See all apps option to view all the installed apps on your device.
  • Next, locate and select Carrier Hub from the list > Tap on Storage & Cache.
  • Tap on Clear cache to delete the cached data.
  • Now, tap on Clear storage and select OK to delete the app storage data from the phone.
  • Go back once to the App Info page again and select Force stop of the Carrier Hub app.

Note: Now make sure to turn on the Airplane Mode on the handset and then turn it off after a couple of seconds. The problem should have gone now. However, rebooting the device will bring back the MCM Client again.

3. Disable Notification for Carrier Hub

Make sure to turn off the Carrier Hub notification on your device to temporarily hide it until the problem gets solved. To do so:


Head over to the Settings menu on your device > Go to Notifications > Next, turn off and then turn on again notifications for Carrier Hub. The processing requests notification will go away.

Otherwise, simply turn off the notification by pressing & holding it > Select Turn Off Notifications or Mute Notifications.

4. Uninstall Carrier Hub using ADB Commands

If none of the methods worked for you then try performing the following steps to simply uninstall Carrier Hub using ADB commands on the device with a PC.

  • Open the device Settings menu > Tap on System.
  • Tap on About phone > Tap on the Build number 7 times to enable Developer Options. [steps to go to the Build number on some devices may vary depending on the brand or model]
  • Once enabled, go back to the main Settings menu > Tap on Developer Options to open it.
  • Next, turn on the USB debugging option > Download ADB and fastboot tools on your PC.
  • Extract the compressed zip file into a folder on the PC and open it.
  • Connect your handset to the PC using a USB cable and wait for it to get detected by the system.
  • Now, make sure to press & hold the Shift key on the keyboard and right-click in a blank area inside the folder.
  • Select Open Powershell window here from the context menu > If prompted by UAC, click on Yes to allow the admin privilege.
  • Type the following command and hit Enter to check for the connected device in ADB:
adb devices
  • If you get a random device ID on the command prompt window that means the device is successfully connected in the ADB mode.
  • Now, make sure to copy/paste the following command line and hit Enter to delete the Carrier Hub app package from your device:
adb shell pm uninstall –user 0
  • Wait for a few seconds and disconnect your device > Disconnect the device from the USB cable.
  • Finally, restart the handset to check for the issue. The Carrier Hub app should be uninstalled from your device.


That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.

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