02-14-2018 06:51 PM
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  1. wec123's Avatar
    My Galaxy S5 running 6.0.1 marshmallow restarts during use and just gets stuck at the Samsung start screen. I always have to take out and reinsert my battery to get it to work again. It happens randomly while using various apps, never while idle. Always does it while updating apps. I've tried uninstalling a lot of apps to try to correct a possible software conflict, but that hasn't worked. I haven't downloaded any new apps in a long time anyway, this problem just started recently. It can't be a battery problem. My battery works just fine, even after removing/reinstalling it after the error it's still charged normally, and it doesn't ever get hot. I'm tempted to try a factory reset but other posts I've seen with a similar problem say that it doesn't help.
    Luca Gentile likes this.
    07-12-2016 09:08 PM
  2. ironass's Avatar
    Try wiping your phone's cache partition as per #1.3 of S5 Update Problems - Dummies Guide to see if that resolves your issue. If not, do a Factory data Reset as per post #2 of the guide.
    07-12-2016 09:30 PM
  3. wec123's Avatar
    Wiped the cache, didn't work. Did a factory reset and still wont even boot up past the t-mobile screen. i looked up a samsung service location but it doesn't show any near me. called the hotline and they told me i had to send it in for repair. phones not even 2 years old, never dropped it or got it wet and they say i have to wait 9-11 business days, then theyll charge me whatever fee they decide the repairs worth. i guess i should try taking it into t-mobile. any suggestions? btw im never buying another samsung product again. i bought a samsung HDTV that had to be repaired twice too
    08-01-2016 12:56 AM
  4. ironass's Avatar
    Wiped the cache, didn't work. Did a factory reset and still wont even boot up past the t-mobile screen. i looked up a samsung service location but it doesn't show any near me. called the hotline and they told me i had to send it in for repair. phones not even 2 years old, never dropped it or got it wet and they say i have to wait 9-11 business days, then theyll charge me whatever fee they decide the repairs worth. i guess i should try taking it into t-mobile. any suggestions? btw im never buying another samsung product again. i bought a samsung HDTV that had to be repaired twice too
    It is a pity that USA users only get a 1 year warranty as compared to 2 years in Europe. You could download and flash the stock Samsung firmware for T-Mobile (USA), below, to your phone in case you had a bad update. This will probably be the first thing that Samsung will try in any case. Just follow the instructions and video contained in the links of #1.11 of 42 Galaxy S5 models - Dummies Guide.

    Model SM-G900T
    Model name GALAXY S5
    Country USA (T-Mobile)
    Version Android 6.0.1
    Changelist 7500527
    Build date Thu, 07 Jul 2016 06:38:14 +0000
    Security Patch Level 2016-07-01
    Product code TMB
    PDA G900TUVS1GPG2
    CSC G900TTMB1GPG2
    08-01-2016 01:59 AM
  5. wec123's Avatar
    im going to try to take it to tmobile and see if they can fix it, maybe theyll tell me the same thing. i cant believe the warranty isnt the same. a $600 phone(that im still paying for btw) should work 2 years AT LEAST. people shouldnt be forced to buy a new smartphone every year. this phone was supposed to be the gold standard upon its release and we only got it about 6 months later. bought this one for my girlfriend and one for myself. her first one had a display glitch so we had to swap it immediately. this one was her replacement. mine works fine and im a far heavier user than she is. samsung really has poor quality control
    08-01-2016 09:16 AM
  6. ironass's Avatar
    The 2 year warranty for Europe is governed by our European laws. I have to say, I'm on my 5th Samsung, stock, Galaxy model over the years and find them very, very, good on service, updates and reliability. Cannot comment on the carrier minority variants. My S5 is from February 2014 and has had no issues at all... not bad for a 2 1/2 year old phone.
    08-01-2016 11:13 AM
  7. wec123's Avatar
    does it matter which version of odin i use to reinstall the firmware? the sammobile site says v3.11.1 but the forums instructions say v3.10.7. the latest version available looks like v3.12.3. dont know if it matters
    08-01-2016 10:07 PM
  8. ironass's Avatar
    does it matter which version of odin i use to reinstall the firmware? the sammobile site says v3.11.1 but the forums instructions say v3.10.7. the latest version available looks like v3.12.3. dont know if it matters
    I am still using v3.11.1
    08-02-2016 03:15 AM
  9. wec123's Avatar
    I flashed the stock firmware and still it started doing the same thing. it never got past the tmobile screen. i dont know what else to do. what should be my next course of action?
    08-02-2016 10:51 PM
  10. wec123's Avatar
    Just a thought, i could try to reinstall firmware from an earlier version. i dont know which one i would use though: Firmware for Samsung SM-G900T - SamMobile

    does the pda or csc have to match?
    08-02-2016 11:25 PM
  11. wec123's Avatar
    ok sorry to post so much in one night but here's what happened. i decided to wipe the cache and try booting again. it went all the way though android install and brought up the setup options screens. i got to the "EULA" screen and it rebooted again. got to the same screen and it rebooted once or twice more. so i wipe the cache AGAIN, and i got all the way through the entire setup, and the phone was working fine for about 5 minutes. i decided to tinker a bit and just see if it could send a text. i opened the messages app and it rebooted AGAIN. so now its back up and running, and im not touching it the rest of the night. it seems like there's been significant progress, however the issue still exists. Apart from any further advice you might have, would you agree with my assessment that this is surely not a hardware problem but definitely a software problem? i was just hoping to get some reassurance that i can fix this myself, even if i have to try to do it 100 different ways.
    08-03-2016 02:29 AM
  12. ironass's Avatar
    It certainly does seem like an issue with your phone that is not hardware related. My advice at this stage is to do a FULL WIPE+FACTORY DATA RESET as per post #2 of S5 Update Problems - Dummies Guide and take the time to check out your phone as per #2.5 of the guide.
    08-03-2016 04:55 AM
  13. wec123's Avatar
    ok since i already did the factory reset, reinstall firmware, and wipe cache, ill use it for a little while and see if there's any particular actions that make it reboot. so far just that one occurrence when opening the messages app. ill report my results and if there are further problems i might try another cache wipe and then ultimately another factory reset
    08-03-2016 11:29 AM
  14. ironass's Avatar
    ok since i already did the factory reset, reinstall firmware, and wipe cache, ill use it for a little while and see if there's any particular actions that make it reboot. so far just that one occurrence when opening the messages app. ill report my results and if there are further problems i might try another cache wipe and then ultimately another factory reset
    Ensure that it is a FULL WIPE+FACTORY DATA RESET as often it can be the SD card causing the issue particularly if you have moved apps or data to it as moving apps to SD card leaves the app data on the phone which can cause issues when updating to Marshmallow and if you have a slow or counterfeit SD card. Just trying to cover all angles as you may find, as I have in other posts, that it is not a particular app that seems to cause the issue. To check your SD card, install SD Insight, free from the Play Store.
    08-03-2016 11:42 AM
  15. wec123's Avatar
    ok will do. theres no sd card anyway. the phones didnt come with them, which i thought was weird since every other phone ive had for the past 10 years did.
    08-03-2016 01:52 PM
  16. Neal Evans's Avatar
    I have the same exact problems and results. I traced the problens to the last major firmware and O/S (6.x). First, the battery life went from all day to 6-8 hrs, then WiFi would be on/off intermittently, then rebooting at startup, and now camera fails. The only way I get the phone functioning is to perform the wipe cache and/or remove the battery for five minutes. I have performed a factory reset and cache wipe with short-term results and the reboot on startup returns. Everything was working on the 5.x O/S.
    Luca Gentile likes this.
    10-04-2016 12:05 PM
  17. wec123's Avatar
    I wanted to revisit this thread with and update on the status of my girlfriend's galaxy s5. After getting it working again, it lasted about a week or two without the problem recurring. I haven't pushed it too hard, and removed all but a few apps, but over the past couple months it's just gotten worse and worse. Now it seems to be back to the state where it just won't work at all again.

    The only way I get the phone functioning is to perform the wipe cache and/or remove the battery for five minutes.
    Tried that and even restarted in safe mode and it only lasted about 2 seconds after fully booting up before it rebooted again. It's running G900TUVS1GPG2 firmware. Really getting frustrated with this thing. Really don't want to keep factory resetting and reloading apps and stuff. would appreciate any advice if there's any more to be had. Big thanks to ironass for all the great help already.

    Quick note: my coworker also has the same model (G900-T) on the same carrier (T-Mobile). Her's started bootlooping this past week too. The one I use still hasn't experienced a problem, but it's only a matter of time I figure. Garbage product. On the bright side it's not as bad as a battery exploding on your crotch. SAMSUNG=BAD PRODUCTS, BAD CUSTOMER SERVICE.
    10-13-2016 10:30 PM
  18. wec123's Avatar
    i reinstalled the latest firmware released this month (G900TTMB1GPI1) and immediately had the same problems. so i went back and reinstalled the previous firmware that i used that solved the problem temporarily (G900TTMB1GPG2). It rebooted into bootloop in the middle of setup. im really confused, this version reasonably well for a short while but now its useless. i have no idea what the next step is. i just wanted to add that i brought up my disappointment with a supervisor(?) at samsung support with this very common error. the response they emailed me was, "I have checked all the resources available at our end and I do not see any reported issues of Galaxy S5 phones stuck on the boot loop". way to show your customers you really care
    10-17-2016 11:50 PM
  19. brandroid_h's Avatar
    I had this happen as well. I had to plug a charger in to get the thing to start. Once i did, my battery was displaying at 18% but it had been in the 60s previously. After a few minutes I was able to start it normal. Exact same thing happened the next day. Eventually I came to the conclusion that I have a bad battery and changed to a different one. (Really hoping the phone lasts until the S8 comes out.)
    10-19-2016 11:33 AM
  20. Harre Potter's Avatar
    What if I can't even boot into recovery mode?? I get stuck on the opening Galaxy S5 logo, then loops. Can't boot in recovery, Safe Mode, or normal.

    Thoughts?
    12-31-2016 12:37 PM
  21. androidfan999's Avatar
    Brandroid_h did the new battery fix your issue?? because Im having the same issue
    01-19-2017 12:13 PM
  22. brandroid_h's Avatar
    Yes it did.
    01-19-2017 02:46 PM
  23. Gil10's Avatar
    Yes it did.
    I've tried replacing batteries too but it didn't solove the restart issue.
    I did see it running from 60% to 5% in just few minutes somewhere.
    Lastly I do think I see the rebpots only at home and not in other places (WiFi regular and 5hz)
    Luca Gentile likes this.
    05-13-2017 02:48 PM
  24. kirksucks's Avatar
    My girlfriend's s5 just started this last night. Her batter was at 25 then 13. It would stay on long enough to put her pass code in then it is would restart.

    I charged it and it does the same thing.
    I did get it to stay on long enough to open the play store and it said no internet connection.


    Bootloops in safe mode as well. But in recovery mode it stays on.

    Stays on while plugged in.

    Battery? Firmware?

    She says she hasn't installed anything recently.

    I could try a factory reset. At this point she may be out of luck either way.

    Might be time for an upgrade.

    Disposable tech.
    05-21-2017 10:07 AM
  25. Luca Gentile's Avatar
    Exactly same thing happened to me on S5, randomly restarting and lock screen blocked.
    I have tried to uninstall the last apps I've installed but it did not help.

    I think I will not factory reset, cause it seems that it didn't help in other cases.
    I will go to try to uninstal the lock screen app (line), remove widgets and see if I find what is causing this.

    It would help to know which apps are installed in the phones that are having this issues, so I post here my app list and I hope other can do the same, so that if we have all some particular app configuration we could understand some conflicts.
    Galaxy S5 shuts down and goes into boot loop randomly-screenshot-2017-06-28-15.13.11.png
    06-28-2017 07:13 AM
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