BlackBerry Curve 9720

BlackBerry Curve 9720

I can't make voice calls - BlackBerry Curve 9720

Cause 4 of 9: Your phone is set to connect to 3G networks only.

If your phone is set to connect to 3G networks only, it can't find a network if you're in an area with poor or no 3G network coverage.

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

Step 1 of 8

Find "Mobile Network"

Press the Menu key twice.

Step 2 of 8

Find "Mobile Network"

Press Options.

Step 3 of 8

Find "Mobile Network"

Press Networks and Connections.

Step 4 of 8

Find "Mobile Network"

Press Mobile Network.

Step 5 of 8

Select network mode

Press Network Mode.

Step 6 of 8

Select network mode

Press 3G, 2G or 3G & 2G.

Step 7 of 8

Return to the home screen

Press Disconnect.

Step 8 of 8

Return to the home screen

Press the Return key to return to the home screen.

1 Find "Mobile Network"

Press the Menu key twice.

Press Options.

Press Networks and Connections.

Press Mobile Network.

2 Select network mode

Press Network Mode.

Press 3G, 2G or 3G & 2G.

3 Return to the home screen

Press Disconnect.

Press the Return key to return to the home screen.

Are you ready to upgrade your device? Check out our latest mobile phones