What do I do if the phone is slow to boot after a software upgrade? July 08, 2022 12:33 Updated Any slowness is normal. This is because, after your phone is updated, the system needs to reload all the data. Related articles What do I do if there is an OTA upgrade failure? What do I do if the phone is very slow to startup? How to reset phone (1) to factory settings? What do I do if calls disconnect automatically? What do I do if the phone stutters while playing games?