Sim Card not working

[SilenceWhisper]

Currently using Xperia S. My phone can't read Sim..

[_alexdon_]

Have you tried a different SIM?

[SilenceWhisper]

I tried my Sim on other phone my Sim working..seems like it's phone problem

[_alexdon_]

Stop by a sony service,we cannot help further:

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

[Uliwooly]

It'll be wise to get a brand new MICRO sim card 

[SilenceWhisper]

Sometimes it works... And after I restart phone / turn on and off airplane mode.. It shows no Sim card agn

[Uliwooly]

Get a brand new MICRO SIM card