Lose of mobile network in nexus 4

[Skiran chinnaiah]

Hi, My nexus 4 is not detecting SIM card, displaying message is 'no sim card' , I had reset the device still no use..... hoping some one help me out

 

[B. Diddy]

Did you check to make sure the SIM card is pushed all the way in and securely seated? Perhaps it got jarred loose if the phone dropped at some point.