1. Make sure your Mobile WiFi E5251 (E5251s-2) Huawei router is fully charged.
2. Just insert a non-acceptable Network sim card on your Huawei E5251s-2. (You have to use another network provider sim, which is currently locked to).
3. After changing the another network providers sim on your Huawei WiFi / MiFi, switch ON the device. It will display “Invalid SIM” because you have used another network providers sim.
4. Now just establish a WiFi connection with E5251 to PC / IPAD / IPHONE / Android Device.
For the best results, I prefer Windows computer for unlocking.
5. Connect the Huawei E5251s-2 with Windows PC and browse for 192.168.8.1 and login to device’s dashboard with admin/admin credentials.
or, Go to Advanced Settings – SIM Settings – Unlock Device – Enter Unlock Code – Click on Apply.
6. Once the correct / NCK code entered, the device will be rebooted, if not then reset it manually.
Now your Mobile WiFi E5251 (E5251s-2) Huawei Router Gateway is unlocked forever. Create a new profile according to the SIM and enjoy the unlocked device around the world.
Note : Don’t try to insert any free / wrong codes into your Huawei E5251 (E5251s-2) router, otherwise it will be locked permanently. Only pay 2.38 USD through PayPal button of this website and mention model with IMEI in the transactions. For more than one device unlocking, refer new pricing details.