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You can try to perform a factory data reset, then setup your phone as a new device without restoring your apps and settings. First try the camera before installing anything. If it still doesn't work, then it's a hardware issue. Maybe just the camera ribbon cable needs to be reconnected, maybe the camera module itself is defective. We can't know without disassembling your phone. You also can test all the four cameras separately in factory mode. Dial * # * # 66 # * # * then SINGLE Test. |
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