If none of these software solutions work, it may indicate a hardware failure, and you should contact a Huawei Service Center for further assistance. HUAWEI Global for your specific region? How to Fix Huawei Recovery Image Verify Failed Error
Watch the output. You should see Downloading... OK followed by Verifying signature... . If verification fails again, your image file is corrupt or mismatched. huawei s7721u recovery image verify failed link
Detailed discussion and legacy firmware links for the S7-721u can often be found on community forums like 4PDA (note: use a translator as it is primarily in Russian). If none of these software solutions work, it
For devices with an unlocked bootloader, you can manually re-flash only the recovery image using a PC. You should see Downloading
The Huawei S7721U is an enterprise-class aggregation switch. Unlike consumer routers, it relies on a . When you power on the device, the BootROM executes a chain of trust: