Huawei S7721u Recovery Image Verify Failed Repack Hot! »

If your bootloader is unlocked, you can flash an original recovery image via a PC.

: This is the most reliable way to restore official images. huawei s7721u recovery image verify failed repack

Several factors can contribute to a failed recovery image verification: If your bootloader is unlocked, you can flash

| Offset | Size | Field | |--------|------|-------| | 0x00 | 4 | Magic ( HUWI ) | | 0x04 | 4 | Image length | | 0x08 | 256 | RSA signature | | 0x108 | ... | Kernel + rootfs | If your bootloader is unlocked

Huawei’s recovery system uses or HMAC embedded in the firmware header. The bootloader checks: