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Screen brightness not working
Screen brightness not working









screen brightness not working

Bang! The sensor response jumped and the phone back lighting got much brighter, 300 lux. I then started the 3rd test result capture /recording and with the sensor reading less than 5 lux I placed the device, S5, right next to the light bulb for a few seconds. The light in the room was typical of a cloudy day (we'll lit with shadows being cast by the light) and the lamp was fully bright. On the third pass of testing the sensor and results apparently started working correctly. On the second pass with auto sensor controls enabled (auto brightness checked "on") there was a point in the test where I covered the sensor of the device and then uncovered it and found there was no change in its result 3 lux before and 3 lux after. I ran the sensor test three times by stopping and starting the sensor test application to record the results which I have saved to my SD card. The brightness adjustment control should work nearly instantly or within just a few 1's of seconds (less than 10). The result was failure, no change in display brightness for a several 10's of seconds. While running the test I then selected the auto control box and enabled the sensor to control the brightness.

screen brightness not working

As light was increasing due to sunrise and the lamp light, the ambient lux rating was slowly climbing from 0 to no more than 20 extremely low light conditions, much lower than should have been reflected. Initially in a low ambient lit room (sunrise with an led light bulb in a lamp) the sensor registered 0 lux and no more than 3 lux when placed near the light bulb (Yes it was turned on and lighting up the room) it wasn't "dark". I've run the sensor test mentioned above with what I consider inconsistent readings. I had the autobrightness turned off then switched it on during the test and found the results below. My Galaxy Note 3 did not have this problem.ever. Picked up my S5 15 days ago and have had brightness sensor problems from the get go.











Screen brightness not working