I know with OnePlus, they wipe your phone right out the gate when you send it in for repairs. I've had mine fixed twice and never had an issue.
Oneplus allows it in its warranty I believe
They provide, or at least used to provide, ROMs of both Oxygen and Hydrogen OSes to flash at your leisure. Not 100% what the deal is in the new OPPO-ish world.
I know with OnePlus, they wipe your phone right out the gate when you send it in for repairs. I've had mine fixed twice and never had an issue.
Oneplus allows it in its warranty I believe
They provide, or at least used to provide, ROMs of both Oxygen and Hydrogen OSes to flash at your leisure. Not 100% what the deal is in the new OPPO-ish world.