: For home-use models, the consumer portal provides documentation and sometimes direct links for region-specific updates. Primary Update Methods
To find the Huawei B311-221 firmware download, you can follow these steps: huawei b311221 firmware download top
This is a checksum protection trigger. You flashed a modified (patched) "top" firmware that was not signed by Huawei. You need to disable signature verification via a serial console, or flash a stock signed firmware immediately to stop the boot loop. : For home-use models, the consumer portal provides