1, Download the tool:https://drive.google.com/file/d/1sN89iDqywRk0YwNHodVPZahzAYM8jFty/view?usp=sharing
Download “ser_set_real_u_py2.exe” on your PC and open it.
2, Connect your watch
Connect the smartwatch to your PC with a USB cable.
Important: Set the USB mode to “Just charging” (do not select other modes).
3,

Enter the app store folder
Once the tool shows “Success”, it means the watch’s app store folder is accessible.
4, Locate the watch folder
On your PC, you will now see the watch storage folder.
5, Replace the GUI folder
Delete the existing “gui” folder.
Copy the new gui folder(download with the tool) to the original location.
6, Restart the watch
Reboot your smartwatch. The App Store bug should now be fixed.