Delete old firmware or log files if the flash is full.
< Huawei > display version Huawei Versatile Routing Platform Software Version 5.171 (V200R003C00SPC600)
The Ultimate Guide to Huawei Switch Firmware Upgrades: Methods, Best Practices, and Troubleshooting
If you are upgrading a or a stack (iStack/CSS) If you need help with patching vs. a full version upgrade
Ensure the all keyword was used during the startup system-software command. Manually log into the offline member via console, upload the identical firmware file, configure its startup software path, and reboot it. Huawei Switch Firmware Upgrade
Search for your specific switch model (e.g., CloudEngine S5735-L).
By mastering the workflow outlined above—from TFTP transfers to ISSU and BootROM recovery—you transform a high-risk maintenance task into a routine operation, ensuring your Huawei network remains secure, fast, and future-proof.
ftp 10.10.1.2 # Replace with your PC IP [ftp] get S5700-V200R021C00.cc # Load system software [ftp] get S5700-V200R021SPH001.pat # Load patch file [ftp] quit Use code with caution. 3. Performing the Upgrade (CLI Method)
The firmware file is corrupt or the bootloader variable is wrong. Fix: At the BootROM prompt (press Ctrl+B during boot), select option 4 (Update from Network), or 7 (Skip current configuration). If the main firmware is deleted, use XModem: bash BootROM> 2 # Enter serial submenu BootROM> 3 # Download using XModem # In your terminal software (PuTTY/TeraTerm), send the file via XModem-1K. Delete old firmware or log files if the flash is full
Are the switches running in a or operating as standalone units? Share public link
[ftp] binary 200 Type set to I. [ftp] get S5735-S-V200R021C00SPC100.cc 200 Port command successful. 150 Opening data connection for S5735-S-V200R021C00SPC100.cc. 226 Transfer complete. [ftp] quit Use code with caution. Step 3: Verify the File Transfer
startup system-software S5700-V200R021C00.cc startup patch S5700-V200R021SPH001.pat Use code with caution. Copied to clipboard Verify Startup Info : Confirm the switch is set to use the new files. display startup Use code with caution. Copied to clipboard : Restart the switch to apply the upgrade. reboot Use code with caution. Copied to clipboard Method B: Web Interface (GUI)
For switches with a web management platform, the process is more visual. Manually log into the offline member via console,
Check the upgrade path. Some versions require intermediate steps.
Run reset recycle-bin to permanently clear deleted files from memory, or delete old system logs using delete flash:/logfile/*.log . Checksum Errors (Corrupted File)
For modern switches like the , you can use the built-in web system: Upgrading a Switch - Huawei Technical Support