Here ‘X’ is the number of applications installed on your device. Next is the when you install any apps on your device and afterward restart or reboot your gadget, at that point, Android perceives the applications which are installed on your device, and this is the place you see the error message – ‘Android is starting’ trailed by ‘ Optimizing applications X of X‘.The first cause of this problem is the While restarting the gadget, or while rebooting the Android device, on the off chance that something turns out badly in restarting procedure or updating procedure, at that point it causes to show the error message ‘ Android is starting/upgrading‘ issue.
There are several reasons for this problem we are going to see them one by one. Android is upgrading optimizing app stuck Cause of app stuck