If your deployment requires a custom repack (for instance, to inject specific baseline configuration scripts or localized enterprise parameters), you must correct the compression structure and signatures:
mksquashfs recovery_root/ new_recovery.squashfs -comp lzo -b 131072 -noappend huawei s7721u recovery image verify failed repack
Wait for the process to complete. If successful, reboot your device directly into recovery to test it: If your deployment requires a custom repack (for
Because the S7-721u expects an image format with specific structural tracking data, passing a raw Android image directly via an SD card update ( dload ) often triggers an image verification error. and app.img are present and uncorrupted.
Ensure the kernel.bin , rootfs.img , and app.img are present and uncorrupted.
Troubleshooting "Recovery Image Verify Failed" on Huawei S7721U (MediaPad 7 Youth 2) If you are seeing "Recovery image verify failed" on your Huawei S7721U (MediaPad 7 Youth 2)