Model: All Huawei

1. Turn ON the phone with an Unauthorized Sim Card.
2. Phone will prompt for Unlock Code.
3. Enter Unlock Code.
4. Phone now Unlocked.

Model: Huawei Ascend G300

Just insert the new Sim card you wish to use,( or any other network Sim other than what it is locked too ),the phone will then tell you it is Sim locked and ask if you want to unlock. Screen will show unlock code line press this then insert code. Phone is now permanently Sim unlocked .

Model: Mini WIFI Modem

1 Insert Non-Optus SIM card into modem
2 Power device on ? wait until the device has completed it?s initialization
3 Make sure there is a connection between the WiFi Modem and the client (eg computer)
4 Start an Internet browser and enter http://192.168.1.1 in the address bar. (The default password is admin).
5 Enter the password, and then click Login
6 Select Settings
7 Select Dialup and then Unlock SIM
8 Enter unlock code and then click Apply
9 Unit resets itself if successful.

How To Reset Simlock Block Huawei:

Model: All Huawei
Notice: You must enter the 2nd code, 3rd code, and 4th code separately until the phone display ?Sim Network Unlock Pin?, and then you enter the 1st code to unlock the phone.

1. Turn ON the phone with an Unauthorized Sim Card.
2. Enter the 2nd set of code.
3. Enter the 3rd set of code.
4. Enter the 4th set of code.
5. Enter the 1st set of code.
6. Phone now Unblocked and Unlocked.