There are few methods you can try before you go on to a phone repairing shop
1. Remove the Battery and sim from the phone and keep them for about 5 minutes then assemble them again and try to switch on the phone. this might work.
2.dial 112 and while the call is going switch off the phone and then again switch on the phone.
If you lost your security code then you can try default code like 0000 or 1234 and if it
ReplyDeletedint work then try master reset code to reset your mobile..to get codes
visit
unlocking4free here they ask you the imei number of your mobile finally
they will send you master reset code at free of cost.