Nokia Lumia 820




Troubleshoot problems with basic functions and settings

I can't turn on my mobile phone
My mobile phone doesn't ring when receiving calls
My mobile phone doesn't play a message tone when I receive a message
My mobile phone's touch screen doesn't work
My mobile phone is slow
My mobile phone's battery life is short

Troubleshoot problems with calls and voicemail

I can't make voice calls



Possible cause 3 of 8:

Your mobile phone is set to connect to 3G networks only
If your mobile 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.


What you need to do
Change network mode allowing your mobile phone to connect to both 2G and 3G networks.

Did this solve the problem?

Nokia Lumia 820
I can't receive any calls
I can't receive messages on my voicemail
I can't check my voicemail

Troubleshoot problems with SMS, MMS and email

I can't send and receive SMS
I can't send and receive MMS
I can't send and receive email

Troubleshoot problems with multimedia, apps and internet

I can't access the internet
I can't take pictures using the camera
I can't play music
I can't install an app
I can't use one of my apps

Troubleshoot problems with connectivity

I can't use my mobile phone as a Wi-Fi Hotspot
I can't connect to another Bluetooth device
Another Bluetooth device can't connect to my mobile phone
I can't use Wi-Fi