Guide for the Huawei Ascend Y550 - Troubleshooting - I can't make voice calls (Cause 4 of 9)

Step 1 of 9

Find "Network Mode"

Press Settings.

Step 2 of 9

Find "Network Mode"

Press All.

Step 3 of 9

Find "Network Mode"

Press Mobile networks.

Step 4 of 9

Find "Network Mode"

Press Network Mode.

Step 5 of 9

Select network mode

Press one of the following options:
4G/3G/2G auto

Step 6 of 9

Select network mode

3G/2G auto

Step 7 of 9

Select network mode

3G only

Step 8 of 9

Select network mode

2G only

Step 9 of 9

Return to the home screen

Press the Home key to return to the home screen.

1 Find "Network Mode"

Press Settings.

Press All.

Press Mobile networks.

Press Network Mode.

Press one of the following options:
4G/3G/2G auto

3G/2G auto

3G only

2G only

Press the Home key to return to the home screen.