If you suspect a hardware issue—such as the auto-rotate failing, the screen not turning off during calls, or Bluetooth connectivity problems—run the relevant test code first. The comprehensive test ( *#*#64663#*#* ) is a great starting point.
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The new menu will appear under > Additional Settings > Developer Options . If you suspect a hardware issue—such as the
*#*#1029#*#* Allows you to apply a local OZIP or ZIP update file if you have downloaded the full ROM from OPPO’s support site. Do not use random files from the internet. This link or copies made by others cannot be deleted