Air Trigger issue

Yesterday onwards my right air Trigger is not performing well, I have a problem on right air Trigger,when I touch right air Trigger it was automatically working and the right air Trigger sensitivity was work on phones back side body it's irritating,when I playing the game right back side body was automatically working as right air Trigger.
Give me solution....!
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Make sure you are on latest software version which is .78 if not, you can check by
Go to setting => About => Software information.
Clear cache of Air triggers => Settings => Apps.
Check under safe mode if sensitivity is still abnormal.
Factory reset if nothing works. Let me know if its still the same.
I have already done it all ,but nothing works ,it be still same
@SADAM If your airtrigger is responding to touches on the back of your device, please visit your local service center and let them have a look. (If it's safe for you to do so.)
I'm sending you a PM with additional information as well.
Ok send me details about ser