Android is optimizing (1 out of 1) Issue Every Reboot - Galaxy S6 Edge+ Q&A, Help & Troubleshooting

Hi,
I have my friend's S6 edge gone rouge a couple of weeks ago. When rebooted, at startup it goes into optimizing one app and will be doing that for not less than 5 minutes. We've tried a factory reset and it came back almost after he's complete installing back his apps. I doubt there's some sort of app that's causing that. Problem is, how do we know?
Cheers,
Dorell

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strange issues with my Vibrant

running rooted stock Vibrant. Phone was doing great until yesterday.
All of a sudden It started going into a reboot loop. Did a factory reset. waited for about an hr.
Then started installing my apps. I only use a bunch of games, launcher pro and some others, nothing crazy. after about 3 hrs of playing word wise, it starts it again. This time I notice that the notification bar it takes a long time to run the media scanner. sometimes it scanned twice , then reboot over and over. I finally did a factory reset again.
Could it be Launcher pro? I havent reloaded any apps at this time, and it been 10 hrs with no reboot?
Anyone else had this sort of issues?
I've used LP since day 1 with absolutely no issues. I would have to venture a bad app?
I think it might be beautiful widgets, or fancy widgets. I think it went into a boot loop when it did a auto time and date update. I kept seeing that at the bottom of my phone before it rebooted.
dunno, will be very frustrated if I cant customize it the way I want.
Well, I've used BW from day 1 also, no issues.
Sent from my Vibrant
didnt figure it was one of those,
guess I will have to look at one app at a time.
Sorry man, if discovered, will you let me know via a PM so I can put it in the sticky as a possible problem?
are you using setcpu? i was having all sorts of problems with phone hanging and never waking and such with setcpu...i finally just did a nandroid restore and uninstalled...no issues since
not using set cpu. very wierd. hasnt happened since my last factory reset last night. installed apps, not all of them because I am in the process of seeing if I have a bad app.
just taking it slow to see if I can duplicate the problems.
only thing now is that I have a problem with disappearing icons on my launcher pro dock LOL

Samsung galaxy s3 crashing and bootloops when not charging

Hi guys just got my s3 couple of hours ago white 16gb for sprint. I tried searching for the issue I am having and no results, so I am posting here. I did the initial android setup and everything was running fine for first 15 min and then phone keeps freezing and restarts, I did many battery pulls and same thing. It would work for min or 2 and freezes and reboots. Then I put the phone on charge and used it for several minutes and no crash.
So I unplugged the phone when the battery was at 52% after charging for more then 45 min, and same reboot issue is back. So I was wondering if anyone else having this issue.
Thanks for all your help in advance.
if you didnt flash things, which i dont even know what you would flash and how at this point, i would say its broken, and you should go get an exchange. Hopefully youre the only one with the issue, ever.
i guess you could try a factory reset, which i would assume you can do from recovery, to which you would maybe get to by powering off, and holing volume up and power(once again, just an assumption).
p.s. i am impatiently waiting untill best buy gets 32gb version in stock so i can trade in this lte evo pos.
i did many factory resets and battery pulls and same issue. so i got tired and called in for exchange, they are sold out right now but will send one out as soon it comes back in stock.
Did you do a hard reset from recovery?
Sent from my SPH-L710 using XDA
any particular app installed that might be causing this? :crying:
Yes I Reset it from recovery and did factory reset 4 to 6 times, No apps installed. As soon as i start navigating through menus it freezes and then reboots. Sometimes it also freezes at sprint logo while restarting, i have owned 200+ phones never had a single android phone with this kind of Issue.
element3g said:
Yes I Reset it from recovery and did factory reset 4 to 6 times, No apps installed. As soon as i start navigating through menus it freezes and then reboots. Sometimes it also freezes at sprint logo while restarting, i have owned 200+ phones never had a single android phone with this kind of Issue.
Click to expand...
Click to collapse
Do you have a sd card installed? If its from a older phone or s2 it might be the problem too. Back up everything in format the card then see what happens....
Thanks for all your help guys !
I fixed the issue by wiping cache partition and factory reset. Before all I did was factory reset but didn't do wipe.
No crash so far
Sent from my SPH-L710 using xda premium

Boot Loop on Stock ICS

Hi All,
Last night my Galaxy Note decided to go into a Boot Loop, it is a stock unit and unrooted.
Every 10 secs or so it would restart itself, although not a full restart, it would not charge and it was getting hot.
Tried all the suggested ways and even left the battery out all night but did not fix it.
Did not want to do a factory reset, so set about hunting for the app that was stuck in a loop.
Solution...
Using Astro File Manager (Free in Play) and selecting Task Manager I was able to see one app that was using 50% of the processor.
Astro's App Killer would not close this app and I had to go in through Settings / Applications where I closed the App and cleared the cache... (Haven't started it again yet).
Now the unit charges again, doesn't over heat and is very responsive once more.
just for info the App was Lookout Security - I have used this for a long time with no issues, think it just got hung-up somewhere along the way. This is good app especially if you misplace your phone, I know Samsung do the same but my wife's or daughters phones is not Samsung (yet).
Though I would pass on this in case there are more Boot Loops out there.
:laugh:
Having bootloop in galaxy note
please help how to solve bn fix it
thanks

Note 4 will Auto Restart even not using it!!

Hi,
Everyone here, just got my new Galaxy Note 4 yesterday.
I have encountered this issue, the Note 4 will auto restart after not using it for a while, say 10 to 30 minutes it will auto restart. At first, I thought I was accidentally pressed the power button but I put it on my table not using it for a while it will auto restart.
Latest: I used the Note 4 to call my friend in the midst of the call, the phone auto restarted.
Till now, I still not yet install any program into the phone, still in its original condition.
Anyone here know what's wrong with my Note 4? or have experienced the similar problem in your other phone? How to solve it?
Could this hardware failure or software problem?
Thank you.
tomboyed said:
Hi,
Everyone here, just got my new Galaxy Note 4 yesterday.
I have encountered this issue, the Note 4 will auto restart after not using it for a while, say 10 to 30 minutes it will auto restart. At first, I thought I was accidentally pressed the power button but I put it on my table not using it for a while it will auto restart.
Latest: I used the Note 4 to call my friend in the midst of the call, the phone auto restarted.
Till now, I still not yet install any program into the phone, still in its original condition.
Anyone here know what's wrong with my Note 4? or have experienced the similar problem in your other phone? How to solve it?
Could this hardware failure or software problem?
Thank you.
Click to expand...
Click to collapse
No problems here. I suggest you do a factory reset and see if the problem still occurs. If it doesn't, one of the apps you installed is the culprit. If it does, I think you need a replacement.
pedmond said:
No problems here. I suggest you do a factory reset and see if the problem still occurs. If it doesn't, one of the apps you installed is the culprit. If it does, I think you need a replacement.
Click to expand...
Click to collapse
Thank you for your replied and suggested help.
In fact, I did one time factory reset but after that the Note 4 still auto restarted.
When the phone was in my hand from the shop till now I did not install any program into it.
Anyone know why the phone will auto restart?
Thank you
Go back with your phone where you bought it and ask for a new one!
Maybe a faulty unit. It's their fault. You can plead a compensation tho'.
This was sent from my Lenovo A850 via XDA mobile app.
i have the same problem.mine is not restarting every 30 min but it makes twice a day.sometimes it shutdowns. (no reboot)i factory reset problems still there.i am now got out my memory card and testing.
same issue
tomboyed said:
Hi,
Everyone here, just got my new Galaxy Note 4 yesterday.
I have encountered this issue, the Note 4 will auto restart after not using it for a while, say 10 to 30 minutes it will auto restart. At first, I thought I was accidentally pressed the power button but I put it on my table not using it for a while it will auto restart.
Latest: I used the Note 4 to call my friend in the midst of the call, the phone auto restarted.
Till now, I still not yet install any program into the phone, still in its original condition.
Anyone here know what's wrong with my Note 4? or have experienced the similar problem in your other phone? How to solve it?
Could this hardware failure or software problem?
Thank you.
Click to expand...
Click to collapse
I am having the same issue, although I have installed some apps on my Note 4. Also, I tried uninstalling apps, and changed some settings. Every time it auto restarts, it reverts back to the settings from before, and shows all of the apps back on the device. I'm not sure what is going on with it, but it is extremely irritating. It doesn't seem to matter if I'm using the device or not. It's completely random.
Check to make sure your battery is seated properly (no loose contacts). Otherwise, it might be a faulty unit. A large batch of Nexus 7s had a similar issue and they all had to be sent in for a warranty repair.
after i removed my sd card and tested for 2 days no random restart and shutdowns.interesting.
My FIL had an S4 that kept rebooting.. It turned out to be his SD card... FACT
Sent from my SPH-L710 using XDA Free mobile app
schlepprock said:
My FIL had an S4 that kept rebooting.. It turned out to be his SD card... FACT
/QUOTE]
I just got my phone today and I haven't put an SD card into it yet. The darn thing is still rebooting a couple of times per hour.
Click to expand...
Click to collapse
Hi there.. I'm from Indonesia... I got the same problem here... The store said it is because of the software.. But the technician not there yet to help...
Hi There
I have the same problem my phone is N910CQ (Turkish variant). I took it to the samsung service they kept the phone for 5 days and finally they said nothing was wrong with it but my problem still exist. So i tried everything possible that i can try. Nothing works so far. Wat if i install N910C firmware on my N910CQ because Antutu sees it as a N910C Can some one tell me if thats ok or not.
Note 4 random rebooting
Greetings all,
I have had my T-Mobile Galaxy Note 4 for a little over a week and I absolutely love it except for the random reboots. The phone reboots randomly, often at at night while on the charger. That is really bad because everytime it does, it wakes me with the T-mobile jingle. I have started muting the audio at night to avoid being awakened by this but that means I cannt be reached by phone while it's muted. I have cleared the cache several times with no improvement and I have done a factory reset once and the problem persists. It seems entirely random. There was one day where I had no reboots. Most days it's a couple or so and one night it rebooted about 5 times durring the night wrecking my sleep. I do use an memory card and I just removed it today as a test. So far no reboots but it's only been a couple of hours so far. This is a significant problem and any help anyone can provide would be greatly appreciated. Likewise, I will post any progress I am able to make to this forum.
Thanks
Burbank Jim said:
Greetings all,
I have had my T-Mobile Galaxy Note 4 for a little over a week and I absolutely love it except for the random reboots. The phone reboots randomly, often at at night while on the charger. That is really bad because everytime it does, it wakes me with the T-mobile jingle. I have started muting the audio at night to avoid being awakened by this but that means I cannt be reached by phone while it's muted. I have cleared the cache several times with no improvement and I have done a factory reset once and the problem persists. It seems entirely random. There was one day where I had no reboots. Most days it's a couple or so and one night it rebooted about 5 times durring the night wrecking my sleep. I do use an memory card and I just removed it today as a test. So far no reboots but it's only been a couple of hours so far. This is a significant problem and any help anyone can provide would be greatly appreciated. Likewise, I will post any progress I am able to make to this forum.
Thanks
Click to expand...
Click to collapse
I have the same problem, I do not have memory card inserted into the phone. It wakes me 3-4 times every night. The store sent it to a lab and they said that the phone is fine and does not have any problem. It drives me nuts.
Update
Burbank Jim said:
Greetings all,
I have had my T-Mobile Galaxy Note 4 for a little over a week and I absolutely love it except for the random reboots. The phone reboots randomly, often at at night while on the charger. That is really bad because everytime it does, it wakes me with the T-mobile jingle. I have started muting the audio at night to avoid being awakened by this but that means I cannt be reached by phone while it's muted. I have cleared the cache several times with no improvement and I have done a factory reset once and the problem persists. It seems entirely random. There was one day where I had no reboots. Most days it's a couple or so and one night it rebooted about 5 times durring the night wrecking my sleep. I do use an memory card and I just removed it today as a test. So far no reboots but it's only been a couple of hours so far. This is a significant problem and any help anyone can provide would be greatly appreciated. Likewise, I will post any progress I am able to make to this forum.
Thanks
Click to expand...
Click to collapse
Greetings again,
I returned my Note 4 to T-Mobile and got a brand new phone, and sim card. I have all my software loaded and configured as with the old Note 4 and it's been about 36 hours now with no reboot. If it doesn't happen in the next couple of days or so, I will probably be pretty confident that the problem is solved. I'll keep you updated.
OP, is it rooted? I have the unbranded Note 4 (SM-N910H), I've had mine rooted for 2 weeks and it kept randomly rebooting twice or so every 1-2 days, now I've removed the root and everything seems to be working fine with no reboots since 1 week. I hope this helps.
P.S. I've rooted using the CF Auto root.
Anyone knows why the root was causing random reboots for me? I've tried with knox disabled and enabled and with both options I get the same reboots.
Edit: Forgot to say that most of the random reboots happened while the phone was idle (screen off)
Thanks.
note 4 restarting
I have the same issue .. my note 4 is auto restarting... i use gear s all the time bu connecting it with note 4 via bluetooth and the phone randomly auto restarting .. yesrterday i didn't connect the gear s all the day and the phone works all the day fine and it didn't restart .. so i really don't know what is causing this problem ! Anyone can help?
Frustrating
I have a similar issue with the Note 4.
A few back, it randomly restarted and I lost half of my contacts and settings. I thought it was a one-off occurrence and re installed all my contacts and settings. Today, it kept restarting and hasn't started again. I called ATT and have asked for a replacement.
Hope the new one shapes up better than this. It sounds like there is a hardware defect in a lot of the phones.
Same here N910CQ, brand new one...

Note4 boots into download mode.

So, here is my problem. I've got an almost four years old Note4. I flashed some custom ROM's after i bought it but then I found an old X-note 4.4.4 based custom ROM and i was using that for more than 2 years. Yesterday around noon i noticed that if I try to use Viber, it takes seconds till it opens, and lags badly. (Before that the phone was working perfectly for years). I deleted it, reinstalled, but the problem stayed the same. After a few hours all the other apps started to do the same, the phone became really laggy. As time went by it got worse and worse, around 8pm it started to freeze, reboot, became almost completely useless. I thought maybe a factory reset and a new flash would help. I did a factory reset, and flashed a completely stock ROM on it. It started well, was working good for an hour or so, and then the same problems occured again. Lag, freeze, reboot.... And then nothing. Did not even restart. I can switch it on every now and then, (like in every 20 minutes), but it boots into odin mode. I thought maybe the battery, but that is less then 2 months old. Anyone any idea what happened? I mean the phone is almost 4 years old, so I'm not really pissed off, the only reason why I wanna keep using the Note4 cuz it's removable battery. I don't like phones with built-in battery, this is why i did not upgrade to Note8 for instance. Any help would be much appreciated. By the way, my device is an SM-N910F.
Well, things got even weirder later. I found my old battery which i replaced 2 months ago, still had some juice in it, i put it in, and the phone started!!! Worked perfectly, for about an hour and a bit, then the same problems occured again, lag freeze reboot, and now it boots itself into recovery if i can start it up at all... All the same story. Anyway, i threw it in the drawer and bought a new phone.

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