Apple iPhone 6 Plus

iOS 8

iOS 12.0 iOS 11.0 iOS 10.1 iOS 9.0 iOS 8

I can't make voice calls - Apple iPhone 6 Plus (iOS8)

Cause 4 of 9: Your phone is set to connect to 4G networks only

If your phone is set to connect to 4G networks only, it can't find a network if you're in an area with poor or no 4G network coverage.

Solution: Change network mode to allow your phone to connect to both 2G, 3G and 4G networks.

Step 1 of 4

Find "Mobile"

Press Settings.

Step 2 of 4

Find "Mobile"

Press Mobile.

Step 3 of 4

Select network mode

Press the indicator next to "Enable 4G" to turn the function on or off.

Step 4 of 4

Return to the home screen

Press the Home key to return to the home screen.

Press Settings.

Press Mobile.

Press the indicator next to "Enable 4G" to turn the function on or off.

Press the Home key to return to the home screen.

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