Huawei S7721u Recovery Image Verify Failed Repack [repack] Jun 2026

If you are intentionally repacking the recovery (e.g., to add root or custom features), you must bypass the signature check:

When you "repack" a recovery image, you are manually deconstructing and reassembling the recovery.img file, often to add custom features like root access or a custom recovery (e.g., TWRP). On Huawei devices with a locked bootloader, the system performs a digital signature check. If the repacked image does not match the expected official signature, the verification fails, and the device may enter a boot loop or stay stuck on the error screen. Troubleshooting and Fixes 1. Restore Official Firmware (DLOAD Method) huawei s7721u recovery image verify failed repack