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13-09-2014 5:05 - edited 24-09-2014 8:42
Update: I submitted my phone to Nokia Care Center. They found that fault in Front Camera Module which was replaced by them. I received my phone after five days in working condition. But now my main camera is not Auto focusing. So I am thinking to submit again to Nokia Center.
Update: for main camera Autofocus I submitted my phone to Nokia Care once again. I got my phone back after two days. They said that it is some camera correction problem only.
I updated my Lumia 720 to Lumia Cyan with WP 8.1. After the update the main camera on my device stopped working. When I press the camera button or open any camera related apps like HERE map, nokia camera etc., Its shows "resuming" for 2-3 seconds and then goes to main screen. I downgraded my Lumia 720 to Lumia Black by Nokia Software Recovery Tool. After downgrade my main again start working. To test the camera again, I updated to Lumia Cyan and found that camera stopped working. Here are some points which I want to share:- (I) My lumia 720 repaired for mic problem 3 months back. (ii) after almost 15 days I noticed that my Front Camera was not working. (iii) When I downgraded to Lumia Black, only my main camera start working Kindly give suggestion to solve the problem.