Why isn't my Sim card being detected on my Lenovo s850?

[AC Question]

no Sim card detected lenovo s850

trying to use my Sim in lenovo s850 but it cannot be detected..
please help..
thanks!!

 

[belodion]

Re: no Sim card detected lenovo s850

It could be a faulty or dirty SIM tray, or a faulty SIM, or a faulty device.

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