FOR older iOS Versions
Step 1: Go to Settings
Step 2: Go to General
Step 3: Go to Cellular
Step 4: Go to Cellular Data Network setting
Step 5: Enable the APN settings
Step 7: Leave username and password field blank.
Step 8: Restart your iPhone and you are done. Enjoy the NTC GPRS/3G network on your iPhone.
FOR iOS8
If both of above doesn't work
Go to : Settings > Cellular > Cellular Data Network.
To edit the settings, tap each field and enter the details provided above. You should edit APN. Leave username and password field blank. In APN field use ntnet. The settings should save automatically.
FOR iOS8
- From the main menu, tap Settings > Cellular.
- Check that Cellular Data is turned on.
- Tap Cellular Data Network.
Important: If this setting does not appear on the device, the device is not unlocked. - Enter the following information under the Cellular Data section:
- APN: ntnet
- Username: <Leave Blank>
- Password: <Leave Blank>
If both of above doesn't work
Go to : Settings > Cellular > Cellular Data Network.
To edit the settings, tap each field and enter the details provided above. You should edit APN. Leave username and password field blank. In APN field use ntnet. The settings should save automatically.