Are you comfortable using , or do you prefer contacting the carrier first?
Find this 15-digit code on the sticker at the bottom of the device or in the web settings under "Device Information." Unlock Huawei B311-221
Click "Apply" or "OK." Your device should now show a signal from the new carrier. ⚠️ Important Warnings Are you comfortable using , or do you
Unlocking your device via third-party software or firmware flashing may void your manufacturer's warranty. Troubleshooting Common Issues Are you comfortable using
A prompt will appear stating "SIM Network Unlock PIN." Enter your code carefully.
If the dashboard doesn't ask for a code, the firmware might be customized by the ISP to hide this menu. You may need to use a "Force Unlock" tool or access the hidden NVRAM settings.