Nokia Lumia 820




Troubleshoot problems with basic functions and settings

I can't turn on my mobile phone



Possible cause 5 of 9:

You're asked to key in your PUK
If you enter an incorrect PIN three times in a row, you need to key in your PUK.


What you need to do
Key in the correct PUK.
Please note: if you haven't received a PUK or don't know it, it can be obtained by contacting customer service on 1688.

Did this solve the problem?

Nokia Lumia 820
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
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