Huawei S7700 & Huawei S9700 & Huawei S12700 Series Switches Troubleshooting – How to Recover the BootRom Password.
The BootROM is the basis for device security and maintenance, which provides the functions such as configuration recovery and system software upgrade. You must keep the BootROM password secure. If the BootROM password is lost, you can run the reset boot password command to restore the default password and reset a password.
V2R5 and later versions: The BootROM menus on the S7700 and S9700 are used as examples. The S12700's uBoot menu is similar to the BootROM menu with slight differences. However, you can also recover the S12700 BootLoad password according to the method described in this section.
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