Ended up "solving" this by doing a stock restore via Odin, after which TouchWiz would never load an icon (crash loop). Reinstalled TWRP via Odin, then flashed ViSiON X N3 via TWRP.
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Morning guys,
I've had some reboots lately and a weird situation last week where I had to do operating system surgery to get the thing to boot at all.... HOWEVER things were going quite well for some time, and it's been rooted and non-stock for months.
Nevertheless I woke up this morning and it was off, I figured the battery had died so I swapped batteries... It boots, it gets to the launcher and it loads the app icons then freezes and reboots... over and over again.
edit: to be clear, as soon as the slider bar touches the right-hand side the phone freezes, the vibration holds for several seconds, and then the device reboots. obviously not what one expects from this operation (having done it before). I was able to wipe the Cache separately... trying to wipe the Dalvik cache all by itself in an advanced wipe does this reboot thing.
OK I said, i will just clear and reflash this.
Going into TWRP, attempting to do a factory reset wipe just freezes, buzzes, and reboots immediately (to the not working OS)... in order to make this all stop I pull the battery, because now the button on the side won't seem to do a hardware poweroff for anything. Just ends up resetting the current reboot.
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Any advice would be helpful now. I was just going to say forget it and grab the tiniest ROM i could find and ride it out until I upgrade the device, but now I'm just concerned with getting it active. The rebooting in recovery when trying to do a wipe does not make me feel too great. First and only problem I've had with android roms.
Thanks,
Chris
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TL;DR: I have flashed the stock 4.2.1 image through fastboot, and yet my n7 wifi still reboots continuously at the google screen with the little unlocked lock.
Background: I have had the device for about 3 months, no real problems with it before this. I was reading yesterday night and i fell asleep, and thus instead of being on my desk all night the device was under a blanket. When i woke up, I opened the cover and found it on the google screen with the lock. It was warm, but not incredibly so. I thought it was weird that it had rebooted and apparently frozen, but i held down the power to turn it off. when i turned it back on, it started the google screen, then went black, then started the google screen again. Seems like there may be some sort of a kernel issue that is keeping it from booting. The next thing i did was to go into recovery (had CWM at this point, and it was rooted as well but that's a moot point if i can't get into the system.) and i did a backup, then wiped data and did a restore from the backup that i had just made. after rebooting, it made it all the way into the system, and seemed ok. I set it down, and a few moments later it turned off and started doing the loopy google screen thing again. Next, I went into recovery and wiped data/factory reset, and tried to boot up. no luck, still looping. Next, i grabbed the 4.0 toolkit from the dev section and tried to flash the stock recovery from that, but it was proving troublesome so i just downloaded the image myself and fastbooted then replaced cwm with the stock recovery, wiped everything, and flashed the 4.2.1 image. that should have worked, from what i understand, but no, still being loopy. I re-wiped and flashed, tried 4.1.2 instead, that didn't work, and i re-did 4.2.1. after flashing 4.2.1 and then leaving it boot looping for a little while, i noticed that it sometimes made it into the boot animation and then the animation froze and it rebooted and looped more. after a few more tries, powering it off, leaving it for a few min, and powering it on again, it booted all the way to the welcome screen to pick a language and then froze. some number of loops later, it made it all the way to picking a wifi network and froze. I have yet to make it past that point. Thinking it may help, i fastbooted CWM onto the device, so i have a more capable recovery now. I am now going to look into pushing a non stock rom to the device to see if that will help at all.
Any ideas on what on earth could have caused this? Was it just that the device was a little warmer than usual for a while?
Any ideas on how i can fix this? Much appreciated!
Lastly, should i consider looking at sending it back to google? I didn't think there was anything wrong with the hardware, but i'm not sure.
Thanks!
Update: After leaving the system repeating it's loopy boot thing for about 45 min, it seems to have finally booted into the system, and has yet to reboot again. I have no idea why this happened in the first case, nor why this finally worked in the end, but so far it seems ok.
More: Ok, so it still seems to be looping a lot. I have no idea why still. I'm having trouble getting it to boot back into the system, so hopefully something helps fix this.
Ok, so a day later it seems to have settled down such that there's very little looping on the google logo screen any more; now it just tends to randomly reboot when in use. this is quite frustrating, but seems more similar to what others have reported to be the case with 4.2.1. oddly, i never had these reboot issues before it decided to fail the first time, so i'm not sure if this is just because ii'm on 4.2.1. I may look at flashing back to 4.1.2 and staying there, i suppose it can't hurt. does anyone else have any ideas as to what could be going on?
Hey all! I'm having a strange issue regarding boot looping that I can't seem to find an answer to on here or anywhere else, I hope you guys can help.
So my T-Mobile Samsung Galaxy S5 (SM-G900T), purchased in May 2014, while perusing Facebook the other day, randomly shut down in the middle of perfectly normal use and started bootlooping. I had never had the problem before. The device had been rooted for months (I forget what method I used) but it was running a stock Lollipop rom. The first thing I did was factory wipe and cache wipe through Android stock recovery. It worked!... for a couple hours. Then the bootloop started again.
I went and sought a new stock rom, believing that somehow mine had been corrupted, and flashed it via Odin. I also flashed TWRP. Clean wipes, new rom, dalvic/etc. wipes, and booted into stock Marshmallow. It worked!... for a couple hours. Then it started bootlooping again. I went into TWRP and tried to wipe just caches and whatnot, but it wouldn't start again. Long battery pulls sometimes allowed the phone to boot, but it started looping again after ~5-10 minutes.
So I installed the Twisted Lollipop but couldn't even get that to boot. I went back and found the earliest available firmware for my device (as I bought mine right after it came out) and flashed it. Wipe wipe flash wipe whatever, and a succesful boot. It was looking good! I was able to install a number of OTA updates. I was at Android 5.1 when I decided to call it a night and hold off on the further OTAs for today. Today I got up and got ready for work, all's well. As I'm getting ready to leave, I allow Google to update some apps, and begin installing Facebook, Spotify, Cap Metro (for my area's public transit system) and maybe something else, I don't remember. Anyway, as the updates are downloading or installing and I'm checking my email, boom, crash, bootloop.
What's going on here? I've never heard of hardware causing boot loops, but could it be that? I dropped my phone (although protected by a Spigen case) earlier this summer and it cracked the screen-- could it have messed with the motherboard in some substantial way? I had noticed it getting hotter and the battery lasting less than usual, but I attributed that to the device's age.
Any help, any advice, any direction you could give would be extremely appreciated. I don't have the capital to replace the phone right now, and I use it all the time. Thanks folks!
Recently bought a new out-of-the box Galaxy S4 I337 from Amazon. Had i known how much trouble it would give me, i would have picked something else. When i first turned the device on, it was almost totally unusable due to lag and random reboots. Software version was 4.4.2. I used Odin to flash a rootable NB1 onto the device. Still had lag and random reboots. Upgraded to lollipop using this guide: https://forum.xda-developers.com/galaxy-s4-att/help/guide-att-samsung-galaxy-s4-sgh-i337-t3383078 and still have lag and random reboots. Also, the first time i upgraded to lollipop, i installed safestrap not knowing it wouldn't work on lollipop. Obviously, my recovery disappeared. When i figured out what was going on, i did a fresh install of lollipop. I got recovery back, but today when i tried to boot into recovery to wipe the cache, i discovered it had mysteriously stopped working again. If i attempt to boot into recovery, it just skips to the Samsung logo. I didn't install safestrap or any other custom recovery this time.
When i turn the phone on, either it hangs at the AT&T white splash logo and refuses to load at all, or advances to the lock screen. I have disabled animations and every widget i could on the lock screen and yet when i attempt to unlock the phone, it usually freezes. If i repeatedly swipe the phone for thirty seconds or so, it unlocks but it is still frozen and i have to continue swiping to prevent it from locking again. Eventually i'm able to navigate the phone normally, until it randomly reboots or freezes. Sometimes i see an error message that Touchwiz home, Process System, or SystemUI has stopped working or is not responding. This is always accompanied by a freeze. Also, choosing an option in the dialogue that comes up when i press the power button (shut down, reboot, etc) invariably causes the device to soft reboot. Other times a soft reboot happens totally at random, even if i'm not doing anything. Anybody have any idea what's going on or did Amazon just sell me a dud? All of these issues have been happening since before i rooted the device or upgraded it, except for the disappearing recovery mode.
Thanks in advance for your help.
Sounds like a data factory reset is in order. First you need recovery back so I would odin the latest firmware for the phone that can be flashed in odin. If it's still messing up then get Amazon to replace it.
Since you have safe strap though, try booting a TW based rom like Thor ROM or Golden eye ROM. That may fix some things.
StoneyJSG said:
Sounds like a data factory reset is in order. First you need recovery back so I would odin the latest firmware for the phone that can be flashed in odin. If it's still messing up then get Amazon to replace it.
Since you have safe strap though, try booting a TW based rom like Thor ROM or Golden eye ROM. That may fix some things.
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Just wanted to bump this to thank you for your reply. Never got the phone to work but i was able to get it back to stock and return it. I got a refurbished S5 instead.
Classic "my phone keeps freezing and rebooting". I am quite in the know about flashing roms and such.
It started on the stock firmware 6.1.1 (i think it was). I dd factory resets, cache wipes the lot. It would still randomly reboot.
So i flashed Telstra version of 7.0. Still froze every now and then. Did the same things as above.
Flashed TWRP and wiped everything, flashed Renovate Rom and the bootloader for it, Still did it. Numerus factory resets and wipes of everything. It would freeze at any point from startup, to having setup the phone and making phone calls or on facebook or whatever. It would even freeze in twrp, or loading twrp.
I found that the data partition was corrupt so i re partitioned to ext4. Still nothing. I reformatted every partition so the phone was a complete brick with nothing on it and after flashing clean again it would still do it.
Whats the issue that I'm missing, or is there a way to log so i can find where it keeps getting stuck? It gets hot and blue light flashes and i have to hard reset it or sometimes i have to let the battery drain so i can turn it back on again.
pls help?
Hmm i will give you an advice so you dont have to wait for your battery to drain...just press volume down and power button for like 5 secs and phone will force boot. Anyway back to your problem...did you tried flashing latest stock samsung firmware?
raz_il_dio said:
Hmm i will give you an advice so you dont have to wait for your battery to drain...just press volume down and power button for like 5 secs and phone will force boot. Anyway back to your problem...did you tried flashing latest stock samsung firmware?
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This advice doesn't work with my phone even with holding the buttons for 30 secs and more. For rebooting I can only wait until the battery is completely drained. With little hope for another way shortening time to the next reboot any help is appreciated.
Same here...experiencing the same prob...
Same problem.
Sent from my Redmi Note 4 using Tapatalk
smallcapsicum said:
Classic "my phone keeps freezing and rebooting". I am quite in the know about flashing roms and such.
It started on the stock firmware 6.1.1 (i think it was). I dd factory resets, cache wipes the lot. It would still randomly reboot.
So i flashed Telstra version of 7.0. Still froze every now and then. Did the same things as above.
Flashed TWRP and wiped everything, flashed Renovate Rom and the bootloader for it, Still did it. Numerus factory resets and wipes of everything. It would freeze at any point from startup, to having setup the phone and making phone calls or on facebook or whatever. It would even freeze in twrp, or loading twrp.
I found that the data partition was corrupt so i re partitioned to ext4. Still nothing. I reformatted every partition so the phone was a complete brick with nothing on it and after flashing clean again it would still do it.
Whats the issue that I'm missing, or is there a way to log so i can find where it keeps getting stuck? It gets hot and blue light flashes and i have to hard reset it or sometimes i have to let the battery drain so i can turn it back on again.
pls help?
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Sounds like you need your motherboard replaced i had the same issues on marshmallow thought the nougat update would fix it but realized it was a hardware fault not software..left it in store to get fixed and on repair sheet it said faulty motherboard..
Sent from my SM-G935F using XDA-Developers Legacy app
As i know some S7 have motherboard hardware problem, mine has too, what help? warranty and they replaced motherboard. But if you root, you can say good bye to warranty, they look at knox first with this problem.
I installed 8.1 last week. Everything was working smoothly. Was trying magisk youtube mod. Screwed something up. Phone went into bootloops. Reinstalled everything .Wiped data. Now my phone reboots randomly. Everything stock .Rooted with Magisk. Mainly it happens whenever i launch a new app(An app which was not launched before). After few tries, the app opens up and doesnt' result in reboot.
Any ideas what could it be ?
You should of wiped system and cache also might be your problem. Also if you where using any substratum themes remove then manually as well. Not sure if they would cause reboots.
coolsid8 said:
I installed 8.1 last week. Everything was working smoothly. Was trying magisk youtube mod. Screwed something up. Phone went into bootloops. Reinstalled everything .Wiped data. Now my phone reboots randomly. Everything stock .Rooted with Magisk. Mainly it happens whenever i launch a new app(An app which was not launched before). After few tries, the app opens up and doesnt' result in reboot.
Any ideas what could it be ?
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FC's are one thing but random reboots are a completely different animal. I would completely wipe the phone and apply the latest factory image using flash-all.bat. If that doesn't fix it you may have a hardware issue (eg. degraded battery).
Wiping caches helped
I'm running SUPERXE-8.1.0-OPP5.005_v1.5.1.
My 6P was going crazy, restarting every 5 minutes or so. It rebooted so quickly it felt like a soft restart, so I thought powering off and rebooting to recovery using the power + down volume to clear the cache in TWRP would help.
Cleared system and Dalvik and powered down. Full reboot and (for now) it feels much happier and hasn't spontaneously restarted yet. That was about 15 hours ago.
Hope I didn't just Jynx myself, but I think it helped...
I've flashed the final 8.1 images to upgrade my 8.0 unmodified system. Now I've random reboots, usually when I've leave home to go to work or vice versa. Something related to wifi, that I'm connecto on both my work and home?
Same here I had to factory reset I'm having a feeling it's going to happen again. I am on factory, rooted with magisk. I always use SuperSU not saying that is what it is however it did happen when I got home from work and just kept rebooting before I could unlock.