Several users have reported that this command successfully enters fastboot mode even when the standard command triggers the verification failure.
adb reboot bootloader # then from within fastboot, if available: fastboot reboot fastboot
Oppo requires an official app called "Deep Testing" or "In-Depth Test" to request bootloader unlock permissions. Uninstall any current Deep Testing apps from your device. Several users have reported that this command successfully
You are likely trying to enter fastboot mode via a key combination or ADB without having your device approved through the official "In-Depth Test" (Deep Testing) application.
When you execute an unlock command, the phone's bootloader looks for a device-specific cryptographic token. If this token is missing, incorrect, or signed with the wrong key, the bootloader rejects the command. It then displays the "serial is not match" and "oppo exclusive" error message. The failure happens due to three main security layers: You are likely trying to enter fastboot mode
The idea is to extract the preloader, modify its fastboot lock flag from "locked" to "unlocked," and then flash this modified preloader back to the device. If successful, the phone will then boot into an unlocked fastboot mode where you can run standard commands.
This article was last updated with community-sourced solutions verified across various OPPO and Realme models. Methods and compatibility may change with future firmware updates. Always check device-specific forums for the most current information. It then displays the "serial is not match"
The device requires an official cryptographic signature from Oppo's backend servers to validate the unlock request.