This error means the phone requires a specific digital permission file (a "token") to be sent to the device before the unlocking process can actually begin.
An unlock token is a containing:
| Issue | Symptom | Solution | |-------|---------|----------| | Wrong token for device | “Invalid signature” after token flash | Regenerate token with correct UID | | Token flashed to wrong partition | Same error persists | Check partition table; token must be at exact offset expected by BootROM | | Power cycle missing | Token loaded but not active | Full power-off, wait 10s, restart | | Token already flashed once | “Token already present” | Can’t overwrite? Some eFuses allow only one unlock. | | Corrupt token partition | Bootloader hangs or resets | Reflash full factory firmware, then token again |
If you are typing fastboot oem unlock or fastboot flashing unlock in a command prompt without using the manufacturer's specific tool, you will get this error. These phones do not support generic unlocking commands.
To resolve "Please flash unlock token first":
Please Flash Unlock Token First
This error means the phone requires a specific digital permission file (a "token") to be sent to the device before the unlocking process can actually begin.
An unlock token is a containing:
| Issue | Symptom | Solution | |-------|---------|----------| | Wrong token for device | “Invalid signature” after token flash | Regenerate token with correct UID | | Token flashed to wrong partition | Same error persists | Check partition table; token must be at exact offset expected by BootROM | | Power cycle missing | Token loaded but not active | Full power-off, wait 10s, restart | | Token already flashed once | “Token already present” | Can’t overwrite? Some eFuses allow only one unlock. | | Corrupt token partition | Bootloader hangs or resets | Reflash full factory firmware, then token again | please flash unlock token first
If you are typing fastboot oem unlock or fastboot flashing unlock in a command prompt without using the manufacturer's specific tool, you will get this error. These phones do not support generic unlocking commands. This error means the phone requires a specific
To resolve "Please flash unlock token first": | | Corrupt token partition | Bootloader hangs
