Why network not showing in Nexus 5 ?

[AC Question]

Hello,
I'm using nexus 5 device & since from last few days network not showing in my device. I tried another sim card also but facing same issue. Also tried all possible ways (LTE setting/sirplane mode off/etc) to fix it but still issue persist .
Kindly assist .

 

[belodion]

If there is no problem with the network, there may be a hardware failure in the phone.

 

[B. Diddy]

Welcome to Android Central! Did this start after a recent system update?