I get a warning appearing on my Lenovo a850: slot2: no sim card detected. How can I fix this?

[AC Question]

warning appear on my lenovo a850: slot2: no sim card detected.how to fix

Slot 2 sim card not detected. I've tried to insert diffrent active sim card but the results still is the same

 

[B. Diddy]

Re: warning appear on my lenovo a850: slot2: no sim card detected.how to fix

Welcome to Android Central! It could be a problem with the SIM slot. You may have to bring the phone to a repair shop, or contact Lenovo.

 

[pyan Pyan]

Re: warning a850: slot1&2 Imei no missing..

Slot 2 sim card not detected. I've tried to insert diffrent active sim card but the results still is the same

 

[pyan Pyan]

How to contact lenovo