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this may sounds FREAKING crazy
... but I had did it anyway
and I wanted to share to you my 1st hand experience on it
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1st of all the camera sensor was a Super Delicate thing
my S lahhh~
Let me show you the sensor
NO, this is not the sensor. The sensor was behind it.
To access it, I need to go to Menu> Sensor Cleaning> Manual Cleaning
then, it would flips up and only now you can see the sensor as below
