Share your experience!
Xperia Z3 got dead after restarting couple of times automatically. How to get it back on??
"google.process.gapps stopped working" error msg was getting pushed on the screen, and suddenly phone started restarting in every 2-3 seconds. Could not take the backup as well. Now its completely dead.
Hi @mkgec,
Welcome to the community. I am sorry to hear about this. 
Can you please try holding the power button and the volume up button at the same time until the phone vibrates 3 times? Then see if it will turn back on.
I tried what you suggested, nothing happened.
Is there any way to take the backup atleast??
You cannot back it up if you cannot turn it on I'm afraid 
The next thing to try is a software repair.
I have tried software repair as well. But nothing is happening after initilization step. What to do next??
If it's that dead your only action is to find a repairer unless you still have warranty on it. Good luck!