The Serial Is Not Match Fastboot Unlock Verify Fail Oppo Exclusive ((new)) Jun 2026

In late 2023, Oppo quietly closed the public bootloader unlock portal for many Realme devices. However, the Deep Testing app still generates tokens. Because the server is offline, the app generates an offline token with an invalid timestamp. Fastboot reads the expired date and rejects it as "verify fail."

Some newer Android versions (like Android 13) may have stricter verification that blocks standard adb reboot bootloader commands. In late 2023, Oppo quietly closed the public