suddenly the phone restarted and sim slot1 is not working

Question

Asus ZenFone 2

Asus ZenFone 2 (ZE551ML) is an Android smartphone manufactured by ASUS released March 2015.

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my phone simslote1 is not working.in service center they chang the sim ribbon.even it is not working.what is the problem

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Gaberial Owusu @gaberialowusu crwdns2934065:0crwdne2934065:0: 1 · Answer 1 · 2016-10-21T17:38:32-07:00

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I hard upgrade my phone,after Sim card didn't work.please me to solve this problem

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James Ellis @ellisj crwdns2934065:0crwdne2934065:0: 1 · Answer 2 · 2016-11-23T11:33:35-07:00

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Remove the sim than restart the phone and try to put the different sim then it will gonna be work.

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