m600 restart when insert sim
 

please help...
m600i restart when insert sim card
please give me solution..
tq,:)

I have the same proglem.

Thank you in advance for any help...

try this ..
 

First try with a know good battery ! and clean batery conector contacts sometimes when the mobile send to be registered, tha batery go down and the mobile stop to work why the voltage drop too low

second if no good with first point replace PA o take it out and try the mobile without PA if not restart o shut down you know that the PA is in short when transmition goes on to register to network

good luck !