How does Samsung Galaxy E7 turn off the 4G network? (E7000)

Because in the card 1 so we only need to enter the mobile phone network management to switch, the specific steps shown in the following figure.

1. Under the Standby page, click "Application".

2. Click "Set".

3. Slide up the screen and click on "More Networks".

4. Click on "Mobile network".

5. Click on "network Mode SIM1".

6. Click on "3g/2g (Automatic connection)".

7. After reading the network switch prompts, click "OK".

Okay, so our cell phone has successfully shut down the 4G network, at this time you can only use 3G/2G network, so you must pay attention to friends, if you want to switch 4G in the same way as the above set the choice 4g/3g/2g can be the operation of the same steps as above.