Device Help Sony Xperia Z3 Basic functions
Sony Xperia Z3

Sony Xperia Z3

View Device specs

Popular guides

Turning call waiting on my mobile phone on or off

Choosing a ringtone for my mobile phone

Copying contacts between my SIM and my mobile phone

Turning data roaming on my mobile phone on or off

Checking the software version for my mobile phone

Search for topic or select one below

Getting started

Basic functions

Calls and voicemail

Messaging

Apps and media

Connectivity

I can't turn on my mobile phone

Back to Basic functions
If you can't turn on your mobile phone, follow these instructions to solve the problem.
We found 9 possible solutions to your problem. Click Start guide to see the solutions.
Start guide
An incorrect PIN is entered
Your SIM is blocked
Your mobile phone hasn't been assembled correctly
The phone lock code is turned on
Your mobile phone isn't turned on correctly
The battery is flat
Your SIM is faulty
You're asked to key in your PUK
Your mobile phone is locked to another service provider

Video guides

Issue: Slow WiFi on Android Issue: Slow Mobile Internet on Android Issue: Can't Use Mobile Data with Android Issue: Can't Connect to WiFi with Android Issue: Can't Make or Receive Calls with Android

Media guides

Clean up and speed up your smartphone Can't make or receive calls on your smartphone? Can't use mobile data on your smartphone? Can't connect to WiFi on your smartphone? Slow mobile internet on your smartphone? Slow WiFi connection on your smartphone? 3 Simple tips to keep your smartphones safe