If you are an owner of E5220 (E5220S-2) (E5220–3b1b) Huawei modem then you have come on nice place to unlock it. The benefit of unlocking this device is that you are free to use with any network provider SIM.
Huawei E5220 WiFi MiFi Router Gateway
Huawei E5220 WiFi MiFi Router Gateway

How to unlock E5220 (E5220S-2) (E5220–3b1b) Huawei Modem?

1. Make sure your E5220 (E5220S-2) (E5220–3b1b) modem is fully charged.

2. Just insert a non-acceptable Network SIM card on your E 5220S-2 (E5220–3b1b) modem (e.g. another than Vodafone SIM for Vodafone Network router).

3. After changing the another network providers sim on your Huawei WiFi / MiFi, switch on it. It will display “Invalid SIM” because you have used another network providers sim.

4. Establish a WiFi connection to E5220 (E5220S-2) (E5220–3b1b) with your PC / IPAD / IPHONE / Android.

5. Login to your device’s dashboard at and go to Advanced Settings – SIM Settings  – Unlock Device – Enter Unlock Code – Click on Apply.

or, if above step does not work then,

Open the Settings – Dial-up – Unlock SIM card – Enter 8-digit unlock code in the modem. Click OK and the device will reboot to display the new network.

Now your E5220 (E5220S-2) (E5220–3b1b) Huawei router is unlocked forever.

Note : Don’t try to insert free / wrong codes into your E5220 (E5220S-2) (E5220–3b1b), otherwise it will be locked permanently. Pay 2.38 USD through PayPal button and mention model with IMEI in the transaction. The correct code will be delivered via email.


  1. What is the simlock code for my E2550s 2…. When I go to it asks for simlock code to unlock modem. I have tried your advise and am now down to 3 attempts left to unlock this modem, I have tried to use the Huawei modem unlocker and it says the sim in the modem is locked but this sim works in my phone? Please try to help me before I lock this modem permantly