Xperia P sim network error

[Circuit]

Well,I have Sony Xperia P with latest software update(I update it just now) but since the day that I bought it,there is no network signal.It always shows error.I went to the mobile network settings N also search for network operators,still no signal at all.It say ''error while searching for networks.I had tried about 4 sim card already.Not working at all.Dear Sony,I bought the sony product phone and can't call to anyone at all.Othes are fine,wifi,display,everything is cool and amazing.But What am i going to do this phone without mobile network signal? I am a moderate android user N any kind of suggestions and help is appreciated. Every necessary information is in the attached images. If no solution is available from here,should i root the phone N go back to previous software version? Will the network work or not?. I already read through a lot of forums and talks.Thanks.

[Johan]

Since you have tried using several different SIM cards I suggest that you contact your local support team to have your phone examined and fixed at an repair center.

http://www.sonymobile.com/global-en/support/contact-us/contact-info/