Using the Huawei Firmware Flasher Tool (or TFTPD32):
Do not attempt a firmware update on a locked router. It can brick the device. Use one of these three methods first. huawei b311s220 unlock firmware upd
Do not proceed without these items:
⚠️ Warning: Unlocking and flashing custom firmware can turn your router into a paperweight if done incorrectly. Proceed at your own risk. Using the Huawei Firmware Flasher Tool (or TFTPD32):
After flashing: Log into 192.168.8.1. The interface should show Huawei logo (not carrier). Check "Device Information" for the new firmware version. ⚠️ Warning: Unlocking and flashing custom firmware can