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[Q] (Q) My KS20 screen blank after LED test

Hi there
Today i try to open Engineering mode on My KS20
and doing several test from LCD test to speaker test
and finally i try LED test
suddenly my screen blank...
but when i pressed the call button it lights up... it means that my KS20 is not totally bricked,
I try to soft reset the phone by turn it of by pressing down the power button and when i heard the warning sound i tapped on the screen.. the screen still blank but im sure that it response to my tap and the phone is turned off.
When i turn on the phon, the LG logo is showed, but after it the screen keep blank
I try to hard reset the phone, but i dont know its work or not because my screeen is off...
Can anyone help me?
thanks
My KS20 rom is Unoficial one from arthemus build 29022

did you solve your problem? i have the same issue too.
[Solved the problem by using mymobiler to adjust the screen brightness]

Phone turns off while on call

Hi guys,
When I make a phone call, the display/screen turns off in a flash and i am unable to bring it back. I press all the buttons home,back,power key but only the button light glows but there is no response in the screen. Only if the call is ended by the opposite end i am able to get back to the phone.
Note : I had just replaced my touch screen glass yesterday ( Not the LCD ). Does this have something to do with this issue ? Or if there is any other solution please clarify my problem immediately.

Hipstreet Flare 2

Hi Guys,
The tablet will not load... After turning on power it gets to a logo screen and won't boot past it.... screen turns off then back to logo screen over and over...Wondering if anyone knows the key combinations to get into recovery mode to set the tablet back to factory?
I found online that it says power button and volume + but that's not working.. Any other ideas?
Model is hs-9DTB4-8GB
Thanks

[Q] black screen

hi all,
pretty amazed I coudnt find any related discussion here, but:
my new galaxy S6 got black screen today, out of nowhere!
I didnt flush any custom room or rooted, it happened 1 week after I bought it!
any of the tricks I found in google did not help:
- soft reset (power + vol down)
- hard reset (power + vol up + home)
the device is working perfectly fine however the screen is black!
help anyone???
thanks!

Green LED but nothing on screen

Hello guys , i just woke up this morning , i disconected my phone from charge and just green LED lights and nothing else. Power button , home button , volume buttons dont work.
Samsung galaxy S6 updated 5.1.1 via ota , completely stock phone. Thank you for your solutions. (my english is bad)

Janlisvk said:
Hello guys , i just woke up this morning , i disconected my phone from charge and just green LED lights and nothing else. Power button , home button , volume buttons dont work.
Samsung galaxy S6 updated 5.1.1 via ota , completely stock phone. Thank you for your solutions. (my english is bad)
Click to expand...
Click to collapse
Might give your phone a reboot to see if it solves your problem.

Go to recovery mode (volume up + home button + power button) then do wipe cache then reboot.