* Check status of Flashlight, if it is already ON then toggle between ON and OFF settings.
* Restart your phone and check.
Hardware
For Flash not Turning OFF
* Check for water damage around flashlight and its components. If it is water damaged, clean it.
* Check whether Flashlight is short or not, if it is then replace it.
* If the above method fails, replace flashlight.
For Flash not Working
* Check whether IC is short or not, if it is then replace it.
* If Flashlight IC is not short then replace Flashlight.
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