Nothing / OPPO / OnePlus / Realme's Qualcomm platform devices spoil the Widevine from L1 to L3 after unlocking the BootLoader (restore to its original state after locking it back).1. Widevine L1 requires a working TEE (Trusted Execution Environment) for the above mobiles​2. When unlocking bootloader, the device will use an alternate keystore​3. The alternate keystore has no all attestation key installed​4. Without an attestation key, TEE refuse to work​5...​Click to expand...Click to collapseRead more