Before flashing, save your existing configuration (especially if you need carrier-specific APNs later).
Unlocking via firmware means replacing the provider-customized software with a generic, unlocked global firmware version. Risks and Prerequisites Before Modifying Firmware huawei router b311221 unlock firmware free
[Step 1: Disassemble Router] │ ▼ [Step 2: Bridge Test Points on PCB] │ ▼ [Step 3: Connect to PC via USB Cable] │ ▼ [Step 4: Use Balong Flash Tool to Flash Unlocked Firmware] For the like DC Unlocker or HCU-Client
You will need this 15-digit number to generate an unlock code: Check the of your router. Do not disconnect the power or cables during this process
For the like DC Unlocker or HCU-Client. It is fast, completely safe, and costs very little.
Click and wait for the progress bar to reach 100%. Do not disconnect the power or cables during this process. Step 4: Factory Reset the Router