If you are locked out of the standard CLI, follow these steps to recover the system:
, typically indicates that the bootloader has rejected the current recovery or boot image due to corruption, an incorrect digital signature, or an unauthorized system modification. To resolve this, follow these recovery methods: 1. Basic Reset & Connection Check huawei s7721u recovery image verify failed link
If you have an unlocked bootloader, you can manually flash a known-good recovery.img using the command fastboot flash recovery recovery.img from a computer with ADB/Fastboot tools. Potential Causes Corrupted Update: If you are locked out of the standard
Power cycle the switch by pulling and re-inserting the power cables. an incorrect digital signature