Get rid of pre-installed apps that you never use.
: Can be found on Needrom for users looking for specific Qualcomm-based packages. vivo u10 custom rom link
If you are looking to fix issues like bootloops or "hang on logo," you should use the official Stock ROM (Flash File) instead of a custom one. Vivo Support Get rid of pre-installed apps that you never use
If your bootloader is already unlocked, you can explore these resources: ROOT - vivo Smartphone FAQs | vivo Global locate your ROM .zip file
: If you need to revert to the factory state or fix a "brick," you can find official Funtouch OS packages on the vivo India Support Page .
Go back to the home screen, tap Install , locate your ROM .zip file, and swipe to confirm.