“You saw it. Keep quiet. Or we’ll lock more than your router.”
: Full SMS functionality including writing, sending, and receiving messages (storage for up to 500). Huawei Router B311-221 Unlock Firmware
: Always disable automatic firmware updates before and after unlocking, as some OTA (Over-The-Air) updates from the original carrier can occasionally re-lock the device. Unlock HUAWEI B311-221 for any sim - DirectUnlocks “You saw it
This is the holy grail. This firmware comes directly from Huawei’s generic stock (usually labeled "WEBUI_17.100.09.00.03" or similar). It contains zero carrier configuration. When flashed, the router becomes region-free and operator-free. the router becomes region-free and operator-free.