[HELP] SM-G900A Reboots and NoSignal - AT&T Samsung Galaxy S 5

Good evening, I bought this phone and when I bought it everything was perfect, then I reestablished it from the factory and where the signal goes, four bars appear and then a circle with a line in the middle, each time it is changed from one to the other, and At the same time it restarts (I think that it is of so much change this since without the yes it does not restart) Why this happens?

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[Q] Woke up to a less functional Captivate..

Long time lurker, first time poster.
I woke up today to see my captivate screen showing blank screen (active black screen with buttons lighted up) being unresponsive. It was on it's charger from the night.
I pulled the battery to shut it down. It rebooted. I thought nothing about it until I tried to use it about an hour later.
I have had it on stock Froyo, with no root. Never have flashed any other ROM besides updates through kies.
Problems and things I've noticed so far:
No puzzle lock screen. Can't find it under "set screen lock". Only None, Pattern, PIN, Password available.
Home button and search button do not function(they light up like they are pressed, but not action occurs in any apps or home screen).
No data. Usually i'd see edge or 3g, but I have no data connection.
Text messages wiped. None available through "Messages"(though call log shows history of messages).
Keyboard was on stock android rather than swype(since changed back to swype).
Holding power button only shows "Power off" option. Before there was at least Airplane mode.
GPS was on(I hardly ever use it).
Location settings seemed to be default("use wireless networks" was unclicked)
Most other settings/app data seems fine.
About phone info:
Model Number: SAMSUNG-SGH-i897
Firmware version: 2.2
Baseband version: I897UCKB1
Kerner version: 2.6.32.9
Build number: FROYO.UCKB1
Click to expand...
Click to collapse
Other related things:
Day or two before I received a text message from AT&T to download Kies and use Froyo(Don't remember exact wording, lost the text message, but something to the effect it looked like a mass mailing text to update to Froyo using Kies). I was already on Froyo(flashed as soon as I found out it was available few months back).
I also got a text message about downloading their at&t app to manage my minutes and pay my bill(also already had that app).
My Captivate would randomly freeze/unresponsive a few times, but I didn't think much of it.
Google Music app seemed to randomly start playing the audio file i paused(just in my pocket, or once when i put headphones in to make a call).
Searching the forums, haven't found too much related.
One thread suggested using "home switcher", which I have tried(both Froyo and regular versions, though can't press home button for Froyo version). Neither seems to know what my default Home App is, but it only sees TwLaucher(I only have TouchWiz).
Tried installing an alternative launcher(ADW,LauncherPro), still no home/search button.
I'm without my computer for the weekend, so I can't backup my files and reset to factory just yet.
Anyone have any thoughts to fix this or know what may have went wrong?
I might finally make the jump to a Custom ROM if it'll fix this.
Yes, you should either flash a custom rom or do a factory reset. I will say an event similar to this, also involving text messaging, is what made me make the leap to Assonance, and then Serendipity, and I haven't looked back.
Sent from a state of Serendipity
At the least, try a master reset.
You're not alone....
Two Saturdays ago, I woke up, grabbed my phone to see what time it was and my phone was going haywire. It as blinking, flickering and rebooted on its own a couple of times...without me touching it.
When I DID manage to access the phone after a reboot there was no connection. I couldn't call, send/receive texts, nor could I access most of the features (during one of the haywire moments, the phone popped open my "Gallery" folder and started running a slideshow and then shut down. Again, all without me touching it!) There was a distinct blue circle with a slash where the 3G bars used to be on the top right corner of the phone.
I did a factory reset and didn't help. Wiped everything off the phone, but the device was still going nuts.
I got the phone in mid-December and have absolutely pampered that thing. Never dropped, never scratched, never abused. So I was surprised when I took it into the AT&T replacement center that the lady told me that my battery was wet! Not the phone, but the battery. Those two white-that-turn-pink indicators are so close to each other on the phone that I can't see how one gets wet while the other doesn't.
So they give me a new phone. One thing I noticed right away was that my data usage went WAY UP with the new device. To put it in perspective, I used 100 mb of data in 29 days and 64mb IN ONE DAY with my new phone. I thought it may be a one-time fluke, but it's not. I am only 10 days into my new month and am already at 164mb out of 200mb in my plan. I have NEVER used 164 mb in the 6 months previous, let alone in 10 days.
Fun's not over yet. I noticed a lot of crashes and "Force Closes" with the new phone too. I didn't even have any apps downloaded yet and things were still crashing. Last night I pull my phone out to take a picture and...nope. Screen was all kinds of whacked out and it crashed. And still does now every time I open the camera function. I managed to get in camera mode fast enough to do a reset, but didn't work. The screen is fine otherwise. So looks like I'm back to A&T tomorrow for another round.
I'm glad you posted this, cause the same morning all this happened -- literally, within 10 mins of me waking up -- my computer (brand new - 2 days old) went berserk and shut off and my stereo started flipping channels, turning the volume, treble, bass up and down..BY ITSELF without me touching ANYTHING! It was pretty freaky. I wondered if I was struck by lightning the night before.http://media.xda-developers.com/images/smilies/eek.gif
I was finally able to get back home today and do a factory reset. This (somewhat) solved the problem. Everything is mostly back to normal(home button and search button work on home screen, lock screen is there).
Lost a couple of game saves as I had no method to pull a save file(was doing adb pull on some known file locations).
I did run adb logcat before resetting, and home button and search button seemed to trigger something, just not follow through(Search button did work in a card game as a forward button and home button worked in the kies app to exit, just never as a return to home button in apps).
I'll be looking to root and flash a custom ROM, especially root so I can do a proper backup in case anything like this happens again.
I just want to say thank you posting in q&a and doing research before and after your flashing started. Then searched after your problem. You're a new member of a breed that are few and far between. I will hit your thanks when I get on my computer, app doesn't have it. You will go far here.

[Q] Input Issues and Data Connection Drops

Hey there.
I have a stock Samsung Galaxy S4 Active on the AT&T network. Recently, I've been plagued by a number of troubles.
Bit of background:
For a while, I had the most bizarre issue: the screen thought I was touching it when I wasn't, near the bottom-middle of the screen, and would attempt to open/click on anything in that area. Often turning the screen on and off would help, for a little while. I was reaching my wits' end, because that would obviously be very frustrating to someone who uses their phone frequently throughout the day.
I thought maybe it had been new software I had installed, so I did a factory reset. Problem remained. I factory reset with NO backups. Problem remained. I updated to 4.4.2 via OTA. Problem remained...
And then mysteriously went away on its own.
I've been working in tech for a decade now, mainly in PC and server architecture, so I know better than to look a gift horse in the mouth - but I also know better than to think a problem that "mysteriously" goes away is gone for good. So the first part of my question: does anyone know what could have possibly been causing this?
I'm not super phone-savvy. I've rooted and flashed a few phones in the past couple years, but I'm by no means developer-level.
---------------------
Which brings me to my next problem... around the time that this issue went away, another one cropped up. Randomly, my phone will stop sending/receiving texts/calls, and the data connection will not function. This will continue until I turn on airplane mode and turn it off--at that point I receive all my missed texts, and it works again... sometimes for 5 minutes, sometimes for nearly 2 days. It's really frustrating. I've tried factory resets, I've tried restoring default APNs... but I'm at my wit's end with this. Can anyone help?
Thanks!
I should add that, with my last issue, it still shows a data connection in the notification bar - but there is none, or at least, no activity on it. It doesn't simply act as if it's in airplane mode and go "wah no data network" as soon as I try using it--it just simply hangs for ~30 seconds, then times out. Messages don't get received, webpages don't load, calls don't get placed, etc.

Split Screen Mode Gone Crazy

Hey all. Just grabbed a new 32 gig Edge on Thursday. Everything was working fine up until this morning. As I was scrolling through an article, the Split Screen kept coming up and going away. I thought I hit something so I paid it no mind. As time passed, it started going crazy on its own. I wasn't pressing anything, just unlocking the phone and putting it down on the table.
It was almost like there was a ghost (or remote operator) screwing with me.
I did a factory reset, thinking maybe one of the apps I installed was causing some kind of issue. Still having the same problem.
Anyone else dealing with this on their new phone?
Hi,
I've got the exact same problem with my 32GB Edge. While my kids were playing some Lego Junior game on it (yeah I know, that was the the last time ), it started going haywire. It's like someone's pressing the button for recent apps all the time and sometimes very rapidly.
After a factory reset, logging on with my own Google account resulted in the same behaviour. So I tried another factory reset and tried my wife's Google account while restoring as little as possible. Now things seemed a little better so I tried the same with my Google account. That went fairly well (it now pressed Recent Apps once only when I pressed the Back button myself) but after a little time of fast charging, it went all crazy again.
So maybe it's got something to do with (over)heating? I'll try to leave it off now and see what will happen when it's cooled down.
Did you (or Samsung) happen to solve the problem?
ChrisFM77 said:
Hi,
I've got the exact same problem with my 32GB Edge. While my kids were playing some Lego Junior game on it (yeah I know, that was the the last time ), it started going haywire. It's like someone's pressing the button for recent apps all the time and sometimes very rapidly.
After a factory reset, logging on with my own Google account resulted in the same behaviour. So I tried another factory reset and tried my wife's Google account while restoring as little as possible. Now things seemed a little better so I tried the same with my Google account. That went fairly well (it now pressed Recent Apps once only when I pressed the Back button myself) but after a little time of fast charging, it went all crazy again.
So maybe it's got something to do with (over)heating? I'll try to leave it off now and see what will happen when it's cooled down.
Did you (or Samsung) happen to solve the problem?
Click to expand...
Click to collapse
sorry! didn't realize there was a response here. i've yet to find a fix. it'll happen every now and again. i try to reboot it, but sometimes i can't because of it going crazy. once rebooted, it behaves for a little while.
but in terms of the back button giving me recent apps, that happens way too often.
I've had the same problem with the S6 edge 64G. After Samsung advised on a factory reset, to no avail, I spoke with my network provider who suggested a replacement sim. This worked for a few days but then back to the exact same problem as described above. Working along the lines of the sim replacement I noticed this problem occurs more frequently in areas of poorer coverage. I tried the phone in Airplane mode when I noticed the problem was occuring and it stopped straight away. Haven't spoken to my network provider since but now I'm not sure if it's a sim issue or the over heating problem.
Its hardly an effective fix having a phone that you can't make calls on so I might have to settle for the' return to samsung for repair' option.
Hope this helps a little in finding a solution
Does anyone have a fix for this. My phone started doing this whilst on charge, and I have a gorilla case, so the overheating thing made sense until I let it cool down and removed the case and it still happens. The reboot (holding all four buttons down) does not work.
Multi-screen glitch
I am having the same issue on my Galaxy s6. I installed the Multi-Window Toggle app from a developer on this site and now instead of switching in between recent apps and multi-screen, it switches between recent apps and the home screen. It doesn't seem to be related to overheating with my phone. It can be just sitting on the counter and start doing it all on its own. Very disappointed.
I'm having the same problem with my s7 edge 32gb. Haven't found a fix. If ywguys upgrade to an s7 you may find the same issue unfortunately. Its probably a software problem. Hopefully a system upgrade can fix it soon.
Hi, I have a Verizon Galaxy s6 and got the software update late last week. Since then, my split screen has gone crazy. It goes through these cycles of splitting the screen and vibrating. It is unusable when in the cycle. HELP!!!
Hi, I too started having the same issue with Galaxy S6 on ATT. Any fix for this?
I got caught in a monsoon the other day (really heavy rain) I was only in it for maybe a min and a half till I could ride my bike to cover, but unfortunately, I was soaked and so was my phone. I wiped the water off, but I noticed that some may have gone in my headphone jack because everytime I pressed my back button the multi window button would light up and then start flickering and turn off. So I turned my phone off for awhile to let it dry out and now my button is not working at all. it's been 2 days of not working and all the sudden tonight it starts opening up my recently used apps and telling me it's going into split screen mode and glitching like this 20 times or so, every couple of minutes. My S6 has gone downhill the past couple months. 3 weeks ago it stopped charging completely the battery would drain after 2 hours of regular, to minimal use and when I went to go plug it in, it would notice that I would plug a cord into it, but wouldn't charge. It did that on and off for a week. now it charges, but tells me it's over heating every couple hours. Now it's doing this glitch with the button. Kris upfront up either split screen, or recently used apps overt and over again. The button still doesn't work, won't light up, or do anything when I press it. It'll only lights up when the back button is pressed. I just thought my button was broken cause of water damage, but maybe it's a software issue?
I replaced my screen protector. Problem resolved!
Replacing or removing screen protector didn't solved my problem. I have edge 6 32gb and it's clearly not an software issue because I have flashed my phone with different firmware with odin and still the problem occurs again ....
I'm thinking this might be due to screen protector I recently installed. I had the thin one before but since adding the thicker one this has started happening. So much that the phone is almost unusable. If this doesn't work, the phone might be going out the window!
Samsung Galaxy S6 Split Screen & Apps Gone Crazy
I also have the split screen issue with my Samsung Galaxy S6 (not an Edge). I've done everything recommended up to and including a factory reset to no avail. I also removed the screen saver (which was relatively new) and that did nothing.
I also have an issue with the recent apps toggle key, which in the end, may be the real issue. The key only works randomly and lights up even less than that.
Anyone?? Any other ideas? I, personally, have reported this to the BBB and requested an inquiry since this has been a known, major issue since long before I purchased the phone in September 2015. We are in the middle of the inquiry now. Will advise as to the outcome.
This works!!!!
I have a fix but im new it wont ket me post till after ten post. Want help email me..bummer just trying to help.
[email protected]
I had the same problem. I thought it was because glass was cracked. Tried replacing the glass, and actually ended up getting an entire new AMOLED/digitizer assembly, installed it, and it has the same problem. So annoying! I can't even send texts because it splits the screen and/or opens recent apps like every 0.5 seconds. The only thing that helps is having one finger continually pressing down on the screen as the app is open, which will let me scroll with my other finger and the app wont go in to split screen. I think it is a software/internal hardware problem. Not Cool, since this is an expensive phone.
EretsimmaI said:
I replaced my screen protector. Problem resolved!
Click to expand...
Click to collapse
I took the screen protector off of my wife's s6. It was okay for a few minutes, then it started again. the same thing everyone else is experiencing. 'Can't afford a new device right now. So she has to downgrade to a s5
This fixed mine
Hi guys my sister had the same problem and I tried the toggle app and that didn't work for me but I found this vidio on YouTube on how to disable the multi window button and it worked for her! I'm not allowed to send a link but if you type into YouTube 'disable back and multitask button' it's the first one to come up. hope this works!
My samsung s6 edge has been switching between recently used apps, going into switch screen mode and both power and home buttons haven't been working consistently. If I do a force restart the buttons only work for 10 mins or so. I also did a factory reset and am currently using a replacement phone because the reset did nothing. Some people seem to think this is due to an SD card corruption, I'm not so sure. My screen is also shattered but it had been shatter 6 months prior to this problem occurring so it is not related. If I take the phone in they'd have to repair the screen as well and that will cost too much for me.
Hi, I have had this issue twice and both times I think it was moisture/humidty related. The first time it resolved itself after presumably drying out any condensation. Today I had the same issue and fixed it by blowing a warm hair dryer into the bottom of the phone for a few minutes.

[Q] Issues with rooted GS6 edge Verizon

Hello,
I recently rooted my Verizon gs6 edge with pingpong and have been noticing a few major issues.
Not sure what to do or if anyone is encountering the same problems but I will list them below:
1) my battery icon will randomly show that it can not charge and an error message will say that I am using am incompatible charger?
Please note that the phone charges ok with the wireless and regular plug in and this message is random. To fix it I just try to do a hard reset or just plug in a charger then sometimes it will get back to normal.
2) randomly the Samsung virtual reality app will force it's self to install. An audio indicating themail install message will get turned on and the worst part is that the screen will go black with the exepcion of a small "x" on the bottom edge of the screen will apear but will not do anything. None of the buttons are responsive, the screen is on but just blacked out. Thus has been occurring quite a few times and occasionally if I wait for a while and keep hitting the home button it will brake free and allow me to go back in to the phone, shortly after the phone will flicker and crash.
Note: I deleted the file and thus far has not happend but that was only 24 hrs ago. Now I am encountering new issue that I will mention below.
3) home screen will freeze. To be more specific the part where you use your thumb to open the phone (if applicable ) will apear, no icons no fonts or messages just the backround home picture. Stuck on that mode. I rebooted and still the same.
I fixed it by plug-in my phone and it imidiatly went away.
I am not an expert on rooting and was wondering if anyone has the same issue. I believe that it is all tied to the battery some how.
Please let me know if you have any questions.
Rgds,
Jayznayz
jayznayz said:
Hello,
I recently rooted my Verizon gs6 edge with pingpong and have been noticing a few major issues.
Not sure what to do or if anyone is encountering the same problems but I will list them below:
1) my battery icon will randomly show that it can not charge and an error message will say that I am using am incompatible charger?
Please note that the phone charges ok with the wireless and regular plug in and this message is random. To fix it I just try to do a hard reset or just plug in a charger then sometimes it will get back to normal.
2) randomly the Samsung virtual reality app will force it's self to install. An audio indicating themail install message will get turned on and the worst part is that the screen will go black with the exepcion of a small "x" on the bottom edge of the screen will apear but will not do anything. None of the buttons are responsive, the screen is on but just blacked out. Thus has been occurring quite a few times and occasionally if I wait for a while and keep hitting the home button it will brake free and allow me to go back in to the phone, shortly after the phone will flicker and crash.
Note: I deleted the file and thus far has not happend but that was only 24 hrs ago. Now I am encountering new issue that I will mention below.
3) home screen will freeze. To be more specific the part where you use your thumb to open the phone (if applicable ) will apear, no icons no fonts or messages just the backround home picture. Stuck on that mode. I rebooted and still the same.
I fixed it by plug-in my phone and it imidiatly went away.
I am not an expert on rooting and was wondering if anyone has the same issue. I believe that it is all tied to the battery some how.
Please let me know if you have any questions.
Rgds,
Jayznayz
Click to expand...
Click to collapse
If you boot into safe mode you would quickly find out of an app is causing the issues. If so, use titanium backup to freeze the app. Sounds like you have many strange issues going on.
Sent from my SM-G925V using XDA Free mobile app
The charging issue happens to me every day and I'm stock non rooted. it started happening after about a month of use so I doubt that's a problem from rooting... Number 2 I have no clue and number 3 it happened to me when I tried using a cheap Chinese knock off off of ebay of the clear S view flip cover I had to reset my S6 when it stop bugging out after a few minutes... Hasn't happened since but I have tried using that case either haha

Galaxy SIII stuck in upload loop after software update

Hi all
I am not technical and am not really sure what to even call this issue, but have done numerous searches on this and other forums over a few weeks and am not able to find anything like it. I'm sure there must be, but because there is nothing onscreen to help identify the issue I don't know what to search for next.
I few weeks ago I got a message to upgrade the O/S. I didn't do it at work, as my reception there is pretty lousy. When I did do it I had good reception. When it had finished, it then wanted to install. I left it until the next day, when I was home again with a strong signal. It commenced installation but when it got to 91% it rebooted and started over again. This has been happening ever since and the only way to stop it is to remove the battery. I've tried leaving the battery out for several hours, draining it, and all the different kinds of reboots but nothing helps. I was able to get it into download mode, but then it got stuck in there. I was able to get it back to the other screen and don't know what to do now.
The only thing on the screen is a standing android guy with a blue polyhedron rotating in his belly, and an upload percentage. It always restarts at 91%.
I don't want to mess anything up, because this is a borrowed phone - after my previous two Nexus 4s chucked it in. I ended up having to send the first N4 back to Google and lost everything on the phone, but the other one has a lot of data I really want to keep, so I won't do that again.
Is anyone able to help me with this issue?
Altotude

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