Develop Bugs

[Q] I have a black screen after trying to root my Galaxi S3 SGH- I747M

I was in the process of rooting my Samsung S3 with Odin3, everything was going well, I was following the steps from theunlokr.com .. it looked like all the processes were done but at the end the screen never came on. I keep pressing the power button still don’t turn on. I hold the 3 buttons at the same time (Vol Up+Home+Power) nothing happen.
I press the on/off button and it plays the start up ring shows the Samsung logo and then it goes black.
Can anyone help please, I hope I can fix it ASAP, need my phone for work. Can't understand what went wrong.
Need your help
Thank you!!

First mistake was using a site other than XDA to root your phone. Pull the battery and hold the power putton for about ten seconds. Put the battery back in, hold the down volume button + the home button + the power button until you feel it vibrate and then let go of the power button while holding the home and volume down buttons. It should go into download mode and ask you to confirm by pressing the up volume button. If this works then using Odin on the computer to flash back to stock rooted.
Vadim G said:
I was in the process of rooting my Samsung S3 with Odin3, everything was going well, I was following the steps from theunlokr.com .. it looked like all the processes were done but at the end the screen never came on. I keep pressing the power button still don’t turn on. I hold the 3 buttons at the same time (Vol Up+Home+Power) nothing happen.
I press the on/off button and it plays the start up ring shows the Samsung logo and then it goes black.
Can anyone help please, I hope I can fix it ASAP, need my phone for work. Can't understand what went wrong.
Need your help
Thank you!!
Click to expand...
Click to collapse

Thanks a lot
beaverslayer said:
First mistake was using a site other than XDA to root your phone. Pull the battery and hold the power putton for about ten seconds. Put the battery back in, hold the down volume button + the home button + the power button until you feel it vibrate and then let go of the power button while holding the home and volume down buttons. It should go into download mode and ask you to confirm by pressing the up volume button. If this works then using Odin on the computer to flash back to stock rooted.
Click to expand...
Click to collapse
Thanks a bunch! I finally got my phone to work>>> your advice helped a lot and I got my standard ROM on and I'll keep it till later tonight, as I needed for the day, really needed at work> but as soon as I get home I am planning to get a different ROM on it
can you suggest any ?
Thanks again, you made my day!

Vadim G said:
Thanks a bunch! I finally got my phone to work>>> your advice helped a lot and I got my standard ROM on and I'll keep it till later tonight, as I needed for the day, really needed at work> but as soon as I get home I am planning to get a different ROM on it
can you suggest any ?
Thanks again, you made my day!
Click to expand...
Click to collapse
Some solid ROMs include: CNA (codenameandroid), Kyan, CM.
I used to use BlackJelly as my daily-driver, but couldn't do without the AllShareCast functionality, so I'm back to stock-rooted, until I find a ROM that both looks awesome and supports AllShareCast.

[Q] Boot loop with a difference...

Took my phone out of my jacket pocket earlier since I thought I could hear a weird buzzing noise every ~8seconds. Looked at my phone and can see it's stuck in a boot loop. I can't hold the power button to turn it off it gets as far as the HTC screen and then goes black. I've tried to get into recovery mode (just holding down the volume - button). It does work to get in there but I only have ~8 seconds before it goes black and reboots again, doesn't seem to be able to pic any of the different options in there though (with - or +)
This phone is stock O2 (EIRE) never been touched not even rooted. Anyone have seen these issues with HTC One X? :crying:
Is there any recommendations that I can do? (key combo) Hoping that when the battery dies it'll go away... doesn't feel to stable though!

I have an idea ...... turn it in for warranty right away

anything to try first?

Hi,
Try this:
Hold power button together with volume down simultaneously till the phone reboots. Still holding both buttons you should go to service menu. Then choose bootloader with using volume key down/up and when the bootloader is selected press once power button. You should go to bootloader menu, from which you select power off and press power menu.
Your phone should be power off.
Then try to press again power and volume down buttons till you gonna gain in service menu. From there you should find and select factory reset and press power button once.
Your phone should be resented and then just reboot.
If everything is correct your phone will be with everything reserved and also your data and settings will be gone, but at least will work. Then you should set again your settings and preferences.
Hope this could help to get your mobile working again.
Sent from my HTC One X using xda premium

jorjino2000 said:
Hi,
Try this:
Hold power button together with volume down simultaneously till the phone reboots. Still holding both buttons you should go to service menu. Then choose bootloader with using volume key down/up and when the bootloader is selected press once power button. You should go to bootloader menu, from which you select power off and press power menu.
Your phone should be power off.
Then try to press again power and volume down buttons till you gonna gain in service menu. From there you should find and select factory reset and press power button once.
Your phone should be resented and then just reboot.
If everything is correct your phone will be with everything reserved and also your data and settings will be gone, but at least will work. Then you should set again your settings and preferences.
Hope this could help to get your mobile working again.
Sent from my HTC One X using xda premium
Click to expand...
Click to collapse
Thanks dude, that almost worked... got a bit further after factory reset... went to the O2 splash logo and then back to beginning... actually tried it again before hitting reply, wanted to make sure that I actually had time to hit the factory reset before the phone rebooted (8seconds, less actually seems to be 2-3 seconds then a bit longer after...)
I've got a feeling the phone is/has overheated and resetting itself. I think it's rubbish you can't take the battery our of these!

Finally stopped rebooting, battery must be knackered. Will leave it for a while and then start a charge, think it's going into an O2 outlet Monday!

As soon as I started charging the phone booted up and back to loop...

Sorry mate ...like i said, warranty case

[Help] Phone wont turn on after low battery

I have been using my LG Optimus G for about 6 months now and everything was working fine, untill yesterday.
My phone ran out of battery and i left it over night to recharge. In the morning when i tried to turn it on
the screen just stayed black and it wouldnt start. The only thing i can get out of it is when its plugged in
and i hold the power button for about 10-15 seconds the led light shines red for about 7 seconds.
Other than that i cant do anything with it, cant even get the lg logo or the vibration from the boot.
Tried a hard reset-didnt work
Ive looked a little bit online but i couldnt find any problems like this and i really dont want to buy a anew phone
since ill have to save up for like 6 months
Please help
Thank you in advance
PS: Sucks to have this as my first post

Had also that problem. For me it helped to press the power button as long as it takes untill phone goes on even if it takes some minutes. But if it not help, try to boot in bootloader(volume up+power+home). In Bootloader mode press 2times volume down and power button to get to your recovery. If getting succesfully to recovery make a full wipe and install your rom.

cyraxx84 said:
Had also that problem. For me it helped to press the power button as long as it takes untill phone goes on even if it takes some minutes. But if it not help, try to boot in bootloader(volume up+power+home). In Bootloader mode press 2times volume down and power button to get to your recovery. If getting succesfully to recovery make a full wipe and install your rom.
Click to expand...
Click to collapse
Held the power for 2 min and no effect. And for the second point, what do you mean by Vol up+ Power+Home, because my phone doesent have a physical home button.

Press volume up+ home+ power (all together). Home button which you usualy use all the time, yes that button in the mid, i know its not really pressing so hold your finger on it. After that you will come to the Bootloder mode, in there you should press 2x volume down and then power, this will bring you to your recovery.

cyraxx84 said:
Press volume up+ home+ power (all together). Home button which you usualy use all the time, yes that button in the mid, i know its not really pressing so hold your finger on it. After that you will come to the Bootloder mode, in there you should press 2x volume down and then power, this will bring you to your recovery.
Click to expand...
Click to collapse
Wont work . This looks more like a hardware malfunction.

It seems the battery is not charging. If your phone is not modified in anyway,send it to warranty. If you're rooted and have a custom rom,go to a gsm service,at least to make it turn on. If they do that,flash stock and up to warranty with it.
Sent from LG E975 pwd by CM 10.2

[Q] LG Optimus G Sprint is stuck on android recovery system, screen is cracked?

My LG Optimus G is stuck on the Android System Recovery screen. I can move up and down with the volume bar but I can select anything because you need to use the soft menu button and my screen is cracked there. Is there anyway to get around this? I've tried holding power and volume down to reset it but it just restarts and goes back to the recovery screen.

angelottia said:
My LG Optimus G is stuck on the Android System Recovery screen. I can move up and down with the volume bar but I can select anything because you need to use the soft menu button and my screen is cracked there. Is there anyway to get around this? I've tried holding power and volume down to reset it but it just restarts and goes back to the recovery screen.
Click to expand...
Click to collapse
The power button should be the select. Press up or down on the volume to navigate and press power when you are where you want it to be.
Is the recovery stock or CWM? The power button should work either way for the select. Hope this helps.
also if you are just trying to restart, try holding down only power for about 20-30 seconds, it should do a hard shut down, then when you press power to turn on again it should go to the system.

dopy25 said:
The power button should be the select. Press up or down on the volume to navigate and press power when you are where you want it to be.
Is the recovery stock or CWM? The power button should work either way for the select. Hope this helps.
also if you are just trying to restart, try holding down only power for about 20-30 seconds, it should do a hard shut down, then when you press power to turn on again it should go to the system.
Click to expand...
Click to collapse
I'm not sure if it's stock, it says Android Recovery System e3. It says to hit enter to choose an option but hitting the power button wouldn't select anything. I held down the power down and it shut off and isn't turning back on.

my lg optimus g turned off and now it wont come on or hold a charge
Well where do I start, I love this phone and I have not had a single issue with it until yesterday, took my phone off the charger in the am walked out the door , started my car went to make a phone call and my phone was off , tried to turn it on and to no avail, so i took the battery out of the phone (mind you this was quite an experience taking the back cover off) took care of that unhooked the battery let it sit for 5 minutes and it came back on like a charm , well as the day progressed my battery eventually died , so im thinking no biggie right? wrong tried to turn my phone on and nothing at all , just a solid red light which eventually cuts off but thats only when you put it on a charger and does nothing no blinking lights no power nothing. So ive been online following a bunch of different steps and the only thing i could do was put the phone into download mode when connected to a cpu but the cpu doesnt seem to see the device nor does it have power , im trying to fix this myself if possible, im really not trying to pay for a repalcement phone or wait 14 days to get another one so ill try as hard as i can here first and see if i can get some help.. PLEASE!!!! HELP!!!

angelottia said:
I'm not sure if it's stock, it says Android Recovery System e3. It says to hit enter to choose an option but hitting the power button wouldn't select anything. I held down the power down and it shut off and isn't turning back on.
Click to expand...
Click to collapse
Did the battery die? What happens when it is plugged in and you hold down the power? (to attempt to turn back on)

can not access recovery on htc one m8

What I basically need: I want to access recovery(or bootloader, I am not sure what its really called) to do a factory reset.
History of the problem: My little sister entered the pattern incorrectly too many times and now the phone is locked asking for gmail and password. Although I know it, but the phones wifi is disabled, so it says "wrong username or password" and hence I can not unlock it. I want to do a factory reset via the recovery but the phone is not going into it even though I press volume down + power(I also tried the volume up). USB debugging is off, and the device is not rooted... please help me, how can I get around this damn problem?

TDm3732 said:
I want to do a factory reset via the recovery but the phone is not going into it even though I press volume down + power(I also tried the volume up).
Click to expand...
Click to collapse
Power+vol down doesn't do anything (will not get you to bootloader) if the phone is on. This only works when the phone is powered off.
If power+vol up didn't go anything, it's probably because you didn't hold the buttons long enough. Hold power+vol up (and don't let go) until the screen goes dark (may take more than a minute in some conditions) meaning it is going to reboot. The moment the screen goes dark, let go of those buttons and only hold vol down. Don't let go, until the white bootloader screen appears. If you fail to get into bootloader (the phone just reboots, tried to go to OS) that means you didn't do the button combo correctly. Either you started pressing vol down too late, or let go too early. Just repeat the sequence until you get it right.

Thank you for replying
I said what you did, unfortunately it doesnt work

TDm3732 said:
Thank you for replying
I said what you did, unfortunately it doesnt work
Click to expand...
Click to collapse
What doesn't work? I outlined a few steps. Need more details. The basic reboot sequence (holding power+vol up) does it reboot the phone or not?
This is hard coded into the device. It works in any condition short of a brick. It even works when the phone is powered off. The only time I've seen it fail is if your vol button or power button is broken.

ok, here is how it goes;
I turn the phone off
I press the voldown + power, the phone turns on, I release none of them, everything goes very normally, when the phone is at the lock screen, there is a messege on the display saying "to restart the phone, continue holding the power button for 3 seconds" and it counts down to 2 and then 1, it stops at 1, everything else is normal(except the home and back buttons have been flashing-turning on and off-since the start of the process). now I continue on holding both buttons until the phone autolocks, and here it goes to eternity, nothing happens form here just flashing home and back buttons..
I did the same process for volup+power. I did several times, each taking more than one minute..
and all my buttons are working, I can assure you of that..

TDm3732 said:
I turn the phone off
Click to expand...
Click to collapse
How are you doing that?

redpoint73 said:
How are you doing that?
Click to expand...
Click to collapse
when the phone is on at the lock screen, I have to swipe up, which takes me to a screen asking me for google username and password, and when I press the power button there, it displays the cummon box with 4 options; turn off, restart, airplane mode, and kid mode.
if I press the power button before swiping up, it displays the messege "To restart, continue holding the power button for 3 seconds" it counts down and stops at 1, just as I described before

TDm3732 said:
when I press the power button there, it displays the cummon box with 4 options; turn off, restart, airplane mode, and kid mode.
Click to expand...
Click to collapse
Try picking restart. Then once the screen goes black, start holding (only) vol down. See if that gets you into bootloader.

redpoint73 said:
Try picking restart. Then once the screen goes black, start holding (only) vol down. See if that gets you into bootloader.
Click to expand...
Click to collapse
ohhhhhhhhhhhhhhh maaaaaan I would have kissed you if I could, thank youuuuuu. You are a life savior. It did go to the recovery mode. I really do not know how to repay you. Thank you very much

TDm3732 said:
ohhhhhhhhhhhhhhh maaaaaan I would have kissed you if I could, thank youuuuuu. You are a life savior. It did go to the recovery mode. I really do not know how to repay you.
Click to expand...
Click to collapse
lol. Your gratitude is enough.
Strange, I wonder why it didn't work when forcing a restart with button combo (power+ vol up). I don't think I've seen that issue you described, where the capacitive buttons are flashing.
Essentially, any time the phone reboots, if you hold vol down, it should go into bootloader. Or in the fully powered off condition, hold the vol down, and press and release power button (don't release vol down).

yeah, I read a tone about it and nothing worked. It seems my Htc is special