Hi everyone! Kinda my first post here so be gentle
I have a S3 which i rooted almost instantly when i purchased it a year ago. Haven't had any kind of problems with it until now. Over the year i've tried most of the roms out there but now i decided to try the rom called "illusion" (don't know if this problem is related tho!)
It was working fine for a couple of days but suddenly today my phone started bootloopin. I can't even go into CWM or download mode. Sometimes it can stay in CWM och even boot up but after like 2 minutes it restarts again. I've managed to wipe everything once but no change. Was able to install a new rom BARELY, then it restarted again. I've tried remove SD and/or SIM but no change. Ain't working with a usbcable either.
What can I do? Seeing that I can't stay in download mode to use ODIN.
I'd appreciate any help.
a USB recovery jig may be your best shot otherwise its a service center repair
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i bought a phone off ebay in december. the phone was working well and then i decided to start installing different Roms on my phone. the phone was not s-off when i was installing these roms. about two weeks ago my phone just started to restart. it does not stay on for more than a minute before it restarts and i have no idea why it is happening. i would really appreciate any help in this matter because it is really frustrating. i think it is a software problem because the phone does not restart when it is in recovery mode or if it is in bootloader mode. if there is anything...anything at all you can do to help me it would be greatly appreciated.
hvagrantz said:
i bought a phone off ebay in december. the phone was working well and then i decided to start installing different Roms on my phone. the phone was not s-off when i was installing these roms. about two weeks ago my phone just started to restart. it does not stay on for more than a minute before it restarts and i have no idea why it is happening. i would really appreciate any help in this matter because it is really frustrating. i think it is a software problem because the phone does not restart when it is in recovery mode or if it is in bootloader mode. if there is anything...anything at all you can do to help me it would be greatly appreciated.
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It would nice if you put a title to your thread instead of just [Q].
Anyway, if you suspect its a software problem, why not just flash back to stock and see if it persists? If the problem is still there, then it's most likely a hardware issue. I would replace the battery first.
Sorry about that .. it was the first time i posted something and wasn't really sure what to do. and i replaced the battery and the problem is still there .. i flashed and it still restarted. the weird thing is that if i'm doing something it doesn't restart. like if i'm using the phone as a hotspot it doesn't restart. but as soon as i stop it restarts. or if i'm using the camera it doesn't restart.
Did you wipe/format everything before flashing/flashing back to stock? Are you on CWM or EXT4? Some more details would be helpful.
yes i did that. i used superwipe. i am also 4EX and i S-off the device also. i tried installing the stock rom but it didnt work. it is confusing because once i am in recovery the phone stays on. but as soon as i turn it on it just keeps restarting. the phone boots up and then restarts.
I was using my phone at work 3 days ago during lunch and it was running fine. I was playing a new Kairosoft game. Once my lunch was over I put the phone in my pocket and I went off to work. When my shift ended I pulled out my phone and it was stuck in a bootloop with the Cyanogen logo. I rebooted it and nothing worked. I went into CWM to re install the ROM and it freezes every time. I used oden to try and fix it to go back and unroot my phone to start fresh. I stepped out of my room to use the restroom and my little curious nephew comes in and grabs my phone in the middle of an update. Now when I turn the phone on it says firmware upgrade encountered an issue. Please select recovery mode in Kies and try again. I downloaded keys and it didn't recognize my phone. I can't even get into clockwork mod recovery anymore. On Odin it has the yellow bar and when I try and flash the files I need to go back to stock it fails when it writes the NAND. I really miss my phone. It has been a while since I have been here. I don't know if my phone is a ICS. I got it last year. I have searched everywhere and nothing seems to work. I'll keep searching because I am determined to get it fixed but I don't want to flash the wrong thing. My phone still goes to Download Mode. According to what I have read it means that it's still salvageable. I hope so. Thanks for the help!
If you can boot into download mode then just flash a rom from there? Problem solved
jthatch12 said:
If you can boot into download mode then just flash a rom from there? Problem solved
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+1 it's all in the stickies
Hi everyone,
I'm sorry if ever I'm posting this on the wrong section cause I'm not sure if this is a problem from android or samsung.
I'm not good at all when it comes to phone troubleshooting so I will try my luck and ask questions about what have happened to my phone just awhile ago. I got this phone from Japan(Samsung Galaxy SII Wimax isw11sc) months ago and I only use it for multimedia purposes as it is region locked and I am at another country atm. everything is running fine until my phone asked for a software update(not really sure what upgrade that was) and I decided to give it a shot and let it download the updates. I left it to do some chores and when I came back to check on it, it reboot looped itself on the AU(mobile phone company from japan) logo.
I did some research and found some things like hard reset and download mode. I tried to do the hard reset(power/home/volume up) method but I can't seem to access the settings instead, the phone keeps on showing me this "Preparing for S/W update. Please wait." after a few seconds, the phone will reset itself back to the reboot loop.
I tried to do the download mode using odin mode but then, I realized that my phone and computer won' connect via USB port because well, my phone won't boot. Also downloaded the manual driver but my pc won't recognize it.(win7 if that helps.)
Please tell me what have happened and what I can do to fix this problem, I don't really care if i lose everything that I have stored on my phone, I just want it to work again. Help will be much appreciated, Thank you.
Hi, I've been browsing the forums for people's attempts to fix a problem. At first the phone just turned off and I was unable to turn it on because it was stuck in a boot loop. The rom I had running was an ICS stock rom from hk. During this time i was still able to get into download mode but unable to enter recovery. I have tried many times to get to recovery and then tried to flash with several stock roms too. Upon failing around 10 times I moved on to a custom rom.
This one here:
http://forum.xda-developers.com/galaxy-s2/help/guide-26-12-flash-stock-firmware-rom-t2365701
The Jelly bean one here.
Upon failing from this too and unable to do anything but reset the phone and try again. I managed to turn it off... but now unable to turn it on in any way or get into download mode or recovery.
Is there anything I can try to do to get the phone to be working? What can I do?
Try a jig but understand it's very unlikely to get you into download mode. Service centre or local mobile repair shop for diagnosis (I also doubt it will be JTAG'able).
Edit - Also, search for KingRat's 'jump start' method where you try & boot the phone with just the charger/without the battery.
medow70 said:
Hi, I've been browsing the forums for people's attempts to fix a problem. At first the phone just turned off and I was unable to turn it on because it was stuck in a boot loop. The rom I had running was an ICS stock rom from hk. During this time i was still able to get into download mode but unable to enter recovery. I have tried many times to get to recovery and then tried to flash with several stock roms too. Upon failing around 10 times I moved on to a custom rom.
This one here:
http://forum.xda-developers.com/galaxy-s2/help/guide-26-12-flash-stock-firmware-rom-t2365701
The Jelly bean one here.
Upon failing from this too and unable to do anything but reset the phone and try again. I managed to turn it off... but now unable to turn it on in any way or get into download mode or recovery.
Is there anything I can try to do to get the phone to be working? What can I do?
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Click to collapse
Don't loose hope mate...
Try remove battery and insert charger (optional)...
Press voldown+home+power button then let someone (your mother, father, brother, sister, neighbor or friends) insert the battery for you while still pressing those 3 keys...
I hope it will enter to download mode again...and report back please...
Try to use an other battery, my original one is fuked up, it does nothing.
I bought a new one and it works
I tried plugging my charger to the phone and pressing the 3 buttons and then having someone plug the battery in for me, still wouldn't start up. Also tried it with another battery i have on hand, also no luck.
You know what the options are then. Ignore people making ridiculous suggestions which don't work. My aim is to be honest with people, tell them the truth, and have them either get their phones fixed or replaced as quickly as possible in this situation (let's face it, nobody likes to be without a phone), rather than fill them with false hope & waste their time.
I think I fried my mobo while trying to flash it cause it does head up the phone without showing anything. I am going to order parts on ebay. I got this confirmed by someone at a shop near where I live, however they won't replace the mobo for me even if i do find a working one.
=) luckily this isn't my phone but my dad's who works at home and doesn't mind using an OLD OLD flip phone just for calls for the time being.
Side question, even if i replace the mobo and I get it booted but I still get stuck in the boot screen loop and unable to flash to any stock roms what can I do?
If you replace the motherboard you should fix it without further problems. New motherboard = new NAND, no more bootloop - unless you flash again & the flash is bad; you can't mitigate the risk of a bad flash, you can only do all the sensible things like making sure you're using a PC with reliable USB ports, that you're flashing the correct firmware for your device, that you're using an original Samsung USB cable. Basically, if you're careful, the risk with any given flash is very low.
So, fix the hardware problem, flash stock for your country/carrier once you've done that, and go from there.
Hello guys, I have a serious predicament that needs to be solved.
I haven't did anything major to my phone in years so the past couple days have been a nightmare. Ever since I did a wipe of cache partition after trying to get rid of this "unfortunately, contacts stopped working." message, it's sent my phone into a spiraling disaster. (I have been using stock 5.0 rooted rom for at least a year so idk why the sudden issues)
I've literally tried every method imaginable. I even tried flashing with different versions of Odin and still the exact same problems.
I can get my phone into DL mode easily but Recovery mode only works if I have the phone plugged in at this point (Actually, it seems like the only time when my phone wants to work)
Every time I'm done flashing, it'll load all the way up to the T-Mobile screen then restart the loop all over again :/
Really need help seeing as I need to get this situation handled before work today, thanks!
Nevermind, after more research, I decided to order a new battery and the problem is solved.
Bootloop solved with replacement battery
gkenga said:
Nevermind, after more research, I decided to order a new battery and the problem is solved.
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A replacement battery also solved my boot loop issue. Prior to replacement, it would boot to Galaxy S5 screen, and then reboot. Replaced battery and boots. Put the old battery back in, and it boot looped.