How to Unlock E5172s-22, E5172s-515, E5172As-22 and E5172s-920 WiFi Router?
1. Change the default SIM card with any another network provider.
2. Connect to PC with its default LAN cable.
3. Open the default webpage of the E5172 router.
4. Login to the device with admin username and password.
5. Search option for SIMLock and enter the 8-digit unlock code.
6. Click OK.
Once device accepted the code, it will be unlocked forever. Now create a new profile according to the new SIM card and connect to the net.
Note : Don’t use any free / wrong codes into Huawei E5172s-22, E5172s-515, E5172As-22 or E5172s-920, otherwise it will be locked permanently. Either purchase from any server or pay 2.38 USD and correct code will be emailed.