Recovering the BootROM Password
The following table provides the methods that you can use to recover the BootROM password.
No. |
Method |
Applicable Product |
Applicable Version |
|---|---|---|---|
1 |
AC |
V200R002C00-V200R021C10 |
|
2 |
Fit AP, Fat AP, cloud AP, and AT |
Fit AP: V200R003C00-V200R019C00 Fat AP: V200R003C00-V200R019C00 Cloud AP: V200R007C10-V200R019C00 AT: V200R005C10 and later versions |
|
3 |
Fit AP, Fat AP, and cloud AP |
V200R019C10-V200R021C10 |
Recovering the BIOS Password
The basic input/output system (BIOS) of a device provides configuration recovery, system software upgrade, and other functions to enhance system security and facilitate maintenance. The BIOS password is important for system security and must be kept safe. If you forget your BIOS password, recover the default password and then configure a new password.
Use a serial cable to connect a PC to the device and perform the following operations.
- Recover the default BIOS password and restart the device.
For details on how to connect a PC to the device with a serial cable, see Logging In to a Device Through the Console Port.
The BootROM password may vary in different software versions. For details, see Default User Names and Passwords for WLAN ACs and APs.
<Huawei> system-view [Huawei] diagnose [Huawei-diagnose] reset boot password The password used to enter the BootROM menu will be restored to the factory setting, continue? [Y/N] y Info: Succeeded in setting password of boot to default. [Huawei-diagnose] return <Huawei> reboot Info: The system is comparing the configuration, please wait. Warning: All the configuration will be saved to the next startup configuration. Continue ? [y/n]:y It will take several minutes to save configuration file, please wait.......... Configuration file had been saved successfully Note: The configuration file will take effect after being activated System will reboot! Continue ? [y/n]:y Info: system is rebooting ,please wait...
- Change the password in the BIOS menu.
When the message "Press CTRL+B to enter BIOS menu" is displayed, press Ctrl+B and enter the password to display the BIOS main menu.
BIOS Menu (Version: 072) 1. Boot with default mode 2. Enter serial submenu 3. Enter startup submenu 4. Enter ethernet submenu 5. Enter file system submenu 6. Modify BOOTROM password 7. Clear password for console user 8. Config HigMem to Flash Flag 9. Reboot(Press CTRL+E to enter Diag menu)Enter your choice(1-9):6 Confirm old password : //Enter the old password. Please enter new password : //Enter the new password. Please confirm new password : //Enter the new password again. The password is changed successfully.
Recovering the Uboot Password
The Uboot password is important for system security and must be kept safe. If you forget your Uboot password, recover the default password and then configure a new password.
Use a serial cable to connect a PC to the device and perform the following operations.
- Recover the default Uboot password and restart the device.
For details on how to connect a PC to the device with a serial cable, see Logging In to a Device Through the Console Port.
The BootROM password may vary in different software versions. For details, see Default User Names and Passwords for WLAN ACs and APs.
<Huawei> system-view [Huawei] diagnose [Huawei-diagnose] reset boot password The password used to enter the BootROM menu will be restored to the factory setting, continue? [Y/N] y Info: Succeeded in setting password of boot to default. [Huawei-diagnose] return <Huawei> reboot Info: The system is comparing the configuration, please wait. Warning: All the configuration will be saved to the next startup configuration. Continue ? [y/n]:y It will take several minutes to save configuration file, please wait.......... Configuration file had been saved successfully Note: The configuration file will take effect after being activated System will reboot! Continue ? [y/n]:y Info: system is rebooting ,please wait...
- Change the Uboot password in Uboot view.
When the message "Press f or F to stop Auto-Boot" is displayed, press F and enter the password to enter the Uboot view.
ar7240> passwd Start modify boot password..... Confirm old password : The password must be '0'~'9' , 'a'~'z' , 'A'~'Z' , or '@'! Please enter new password : Please confirm new password : The password is changed successfully.
Recovering the BootLoader Password
The BootLoader is the basis for device security and maintenance, and provides functions such as configuration recovery and system software upgrade. The BootLoader password is important for system security and must be kept safe. If you forget the BootLoader password, recover the default password and then configure a new password.
Use a serial cable to connect a PC to the device and perform the following operations.
- Configure a new BootLoader password and restart the device.
For details about how to connect to a device through the Bluetooth serial port, see Connecting to an AP Through the Bluetooth Serial Port.
<Huawei> system-view [Huawei] diagnose [Huawei-diagnose] reset boot password The password used to enter the BootROM menu will be restored to the factory setting, continue? [Y/N] y Info: Succeeded in setting password of boot to default password. [Huawei-diagnose] return <Huawei> reboot Info: The system is comparing the configuration, please wait. Warning: All the configuration will be saved to the next startup configuration. Continue ? [y/n]:y It will take several minutes to save configuration file, please wait.......... Configuration file had been saved successfully Note: The configuration file will take effect after being activated System will reboot! Continue ? [y/n]:y Info: system is rebooting ,please wait...
- Configure a new BootLoader password.
- Restart the device. When the message "Press CTRL+B to enter BOOT menu" is displayed, press Ctrl+B within 3 seconds to access the BootLoader main menu.
By default, there is no BootLoader password. You need to configure a new BootLoader password.
- Enter and confirm the new BootLoader password.
Info: The password is empty. For security purposes, change the password. New password: //Enter the new password. Confirm password: //Confirm the new password. The password is changed successfully.
- Restart the device. When the message "Press CTRL+B to enter BOOT menu" is displayed, press Ctrl+B within 3 seconds to access the BootLoader main menu.