My S2 boots up fine (screen very bright and animation color not natural) after finishing boot the soft keys lights up but the screen goes black. When i press the home button the screen just flickers, shows the screen for a split second then goes black.Sometimes after many attempts pressing the power button it wakes but screen at full brightness and color is not natural. When i try to press the screen brightness to adjust it goes black immediately.
What i have tried so far, bought a new LCD screen and replace but problem persists. So its not a LCD problem. It was running stock ICS so i flash stock JB after wiping, no help. Root with Philz kernel but when i go to recovery screen goes black so i try Speedmod kernel with CWM recovery and the screen shows the Recovery menu I try to flash a custom rom (can't remember which one) but it won't boot up stuck at splash screen.I even flash GB and ICS stock still no luck.
The phone works fine calls can still get through, download mode screen and recovery screen ok. I actually have not use this phone for a year but the last time i use use it was working fine.
Google all the different Samsung device if anyone has this problem but no one seem to have the problem that i have so maybe if anyone knows or suggest anything else which i haven't tried.
Thanks for viewing
I have found the root of my problem, the damn brightness control in settings is not working. Brightness is at full, unable to set to auto or manually dim the screen.
Screen will only wake with black background. Have to tear apart the phone and figure whats wrong
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We have here a i9300 phone from which the display turns black (as if the screen is switched off) when there is a call being made. The call can not be ended because of the black screen. Home button wont help to switch the screen back to the home screen and the only thing which helps to get the screen back is when the call is answered and the other end hangs up. This happens on different firmware, factory reset did not help. Happens on Omega ROM and om CM10 ROM ... and even on stock which we just flashed back on it. Looks like the proximity chip gets confused and seem to think the phone is kept to the ear. So different Modems have the same result ... Any idea what might be wrong? ... Hardware bug?
Hello all - So I have 2 GS3s (International), one has a cracked glass screen (still working fine) and the other has a fine screen but when it boots I just get scrambled white and colour lines.
I only need one so was going to get someone to switch the screens but I have been told that the scrambled screen issue may follow the screen around?
I have tried the following on the scrambled screen:
Booted into recovery/reset mode (Volume Up, Power and Home) - this gives me a scrambled screen which looks similar but different to normal boot.
Booted into download mode, pictures and text all seem fine here - so the screen at the heart is OK I assume. I have tried loading CM through Heimdall but keep getting error with failing to receive PIT.
Can I get any suggestions of how I could proceed or what the error may be? The scrambled screen is currently on a stock ROM and has never been flashed.
Thanks
If the screen works fine in download mode then the is nothing wrong with it. The coloured lines are due to a fried motherboard.
I'm running aokp jb on my phone. The other day I decided to change my boot animation so I used the tool in Settings to do so, then rebooted. However, after it got past the Samsung logo it was stuck on a black screen for about half a minute before the screen got brighter and the touch keys lit up, and it never boots into the OS. What's also strange is how I can feel the vibration of the pattern lock. I entered the pattern and heard the unlock sound. Is there any way that I could remove the boot animation and bring it back to the stock Aokp one, or do i need to reflash? Thanks.
Try wiping cache... !
I installed MIUI rom (MIUI-HUNGARY MSB V6_5.6.25) on my Jiayu G4s through TWRP. It worked flawlessly, but after a day requested an update. After the update process (update downloaded through MIUI's downloader, reboot inte recovery, veeery long wait, turn off) I no longer can use the phone or enter recovery. It only turns on with a black, backlit screen with a blue 1-pixel vertical line on the left side which turns off after a while. I can wake it up with power button just to see the black backlit screen again.
What should i do? ADB can't see my phone.
Hi,
My Galaxy S7 froze up this morning, and when I hard rebooted it the screen will either flicker green lines, or slowly fades into green bars. This happens whether it's in the OS, recovery mode, download mode, or anywhere in between.
The fingerprint reader and touchscreen still works, since I can hear the unlock sound from fingerprint or pattern.
A few hours ago the screen started working again for a few minutes, and stayed fine through a reboot from recovery mode into normal OS, but then went back to how it was.
The phone is rooted, and I had been running the phone in greyscale mode for the last week using CF Lumen.
Do I need to fully replace the front display and digitiser to repair this?