How to Unlock Huawei E303 Modem for Free Without Buying Credit

Most Huawei modems can be unlocked using Dc-Unlocker, but when Huawei E303 modem first came out, it was difficult to unlock.
But the good news today is that you can now unlock this modern for free on a particular website for FREE.
Some group of Indians came up with a site where one can easily generate an unlocking code for this E303 modem.
Before you can continue with the unlocking process, you need a Gmail ID and Password so if you use Gmail, you are good to go, but if you don’t have, get a Gmail Account HERE, and after that proceed to unlock your modem.

Steps to Unlock Huawei E303 Modem
1. Visit the Huawei code calculator website HERE
2. Log in with your Gmail ID and password

3. Enter the 15 digit IMEI number and model in the field provided

4. Click on calculate to get your unlock code
5. Insert your E303 modem into your Laptop/ Desktop Computer with an unsupported/foreign SIM (any SIM from another ISP different from the Modem you have)
6. It will prompt for unlock code, input the code you generated from in step 4 above
That’s all

How to Configure Your Modem Software for Different Network Provider
MTN Manual configuration 

Name: MTN
Dial Number: *99#
Username: web
Password: web
Access Point Name (APN): web.gprs.mtnnigeria.net

ETISALAT Manual configuration

Name: ETISALAT
Dial Number: *99#
Username: (Leave blank)
Password: (Leave blank)
Access Point Name (APN): etisalat

AIRTEL Manual configuration

Name: Airtel NG
Dial Number: *99#
Username: wap
Password: wap
Access Point Name (APN): internet.ng.airtel.com

Glo Manual configuration 
Account name: Glo
Dial Number: *99#
Username: (Leave blank)
Password: (Leave blank)
Access Point Name (APN): gloflat/glosecure