Random reboots - Galaxy S 4 Q&A, Help & Troubleshooting

Hi
Just got an i9500 build JDQ39 and it reboots when I launch the camera app or an app related to the camera. 3 of.my friends are having the same issue with the same model.
Any ideas?
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im also having random reboots wen using the phones need help :crying:

darcjrt said:
Hi
Just got an i9500 build JDQ39 and it reboots when I launch the camera app or an app related to the camera. 3 of.my friends are having the same issue with the same model.
Any ideas?
Sent from my GT-I9500 using xda app-developers app
Click to expand...
Click to collapse
I have also had this issue.. what i have observed is that the problem only began occurring when I inserted my 32gb micro sd card and had the camera app set to store on the said sd card instead of the internal memory. The problem would be that sometimes, upon opening the camera app, you would see a black screen for a few seconds and then the phone would reboot. I have also noted that the camera app takes a little while to start when it does work.
I have subsequently set the camera app to store on the internal memory and i have not had the problem since and the camera app opens noticeably faster. I believe this is a software issue. This is purely speculation on my part but i think it has to do with the speed of the memory card. If it is not of the highest class, it takes too long for the camera app to read and the app hangs and the phone reboots. It also think this is the reason why the camera takes so long to start when it does work.
Hope this helps

I have the same problem, with the camera app, I use an 32 GB Class 10 by SanDisk. Takes time to open Camera app.
I think it is a problem with the SD card, and have asked for replacement.
Also at times when using the camera, with the flash set to Auto, I get an message saying 'Device temperature too high, cannot use flash'. - This may be related or a completely separate issue..
I have also noticed the random restart, with other apps too. Is everyone getting this with only with the camera app?? Or are other apps also causing the problem.

I also have this problem tried latest mdk firmware and still hapens

armedking said:
I also have this problem tried latest mdk firmware and still happens
Click to expand...
Click to collapse
Well I am running the UBUAMDK firmware.. as well.. so i concur

i think it not cause of sdcard. I have same random boot when open camera app too with no sd card!!!
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After changing the location of the files the problem persists. I even removed the Class 10 32gb sd card and it still reboots then accesing the camera.
Hope is a sofrware bug they can fix soon. Cant believe I traded a Htc One for this alpha phone.
Thanks guys
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Related

[Q]EVO 4G Disappearing pictures.

I rooted my girlfriend's EVO about 4 days ago and ever since she said it has been freezing up on her and twice her pictures have been mysteriously disappearing. I used unrevoked to root her phone and did not flash any ROM's or kernels. Is there something I should know about rooting EVO's? This is an odd problem to have happen.
Anyone?
Sent from my SCH-I500 using XDA Premium App
Thats never happened to me. The pics are stored on the sd card, simply being rooted wouldnt, or at least shouldnt, affect her pics.
I Googled it and some people have had the same issue but these were posts from least year. I was hoping if someone had an idea why this would happen after I rooted.
Sent from my SCH-I500 using XDA Premium App
The root process should not affect the pictures. Also it should not affect the phone freezing. Maybe the SD card is going bad and when its in use it is causing issues.
If the pictures disappear try installing the app "SDRescan" from the market. Run it and the pictures should return.
If the issue still happens try another SD card.

camera crash when opening it

It happened quite frequently that the stock camera app crashes to reboot when I started it. The photos set to save in both internal and external, both crash too.
Anyone else has same thing happening?
I9500 Malaysia stock Rom latest unroot. 16GB sd card.
I don't use i9500 but I read some users in Vietnam that use i9500 also have the same problem.
Sent from my GT-I9505 using Tapatalk 2
+1, I have given it back to service center... as it has lots of issues.....lets's see what they say!!!!!
It's me who posted this issue. Try go to developer mode and set limit background processes to 4.
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kennytung said:
It's me who posted this issue. Try go to developer mode and set limit background processes to 4.
Sent from my GT-I9500 using Tapatalk 2
Click to expand...
Click to collapse
I have had this issue too restating the phone normally seemed to fix but I don't want a phone I've gotta do that to. I'm awaiting a replacement (see camera crash posts)

Gallery and sd card issues

Hi guys and girls
I hope someone can help, I have just got a galaxy s4 and just purchased a 64gb sd card, ive converted the sd card to fat32 but whenever I put photos on the sd card they wont show, it just shows a white icon like a broken face and if I put music on the card it plays a 3 second snippet then moves to next song.
If I place the photos and music on the internal memory it works fine
Ive persisted for 3 days and ive given up, please help me
Many thanks in advance
Steve
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Anyone?
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And now my apps that I put on via apps to sd are broken too
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Try to format from your phone settings and see how it goes.
I tried factory reset and that didnt work
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Any other ideas
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Reformat your sd card through com0uter place it in the device, reformat it using the device. I believe this should do the tr8ck
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Thanks for the replies, ive tried that and still no use it seems to be saving photos ive taken but anything I download to sd through apps doesnt work, ive tried putting a music album on through kies and that didn't work either, I just cant understand what is going on, never had this issue with the s1 or note so is it possibly an s4 issue?
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I have a plane to upgrade my SD card from 16GB to 64GB. After few minutes working with Google I found out that so many peoples complain about problem of their s4 with SD card. S4 made SD card go to some places like hell. SanDisk is the most card name has a trouble.
Try downloading Media Scan from the playstore i think the images will appear on your gallery eventually.
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As you increase the size of the sd card ...there are more memory issues popping up....I suggest you take the sd card and fix it to a different phone and see if the pics are readable....if they are not....its a problem with the sd card...so better check it out....if the pics are readable...try a different card on your s4...I myself use a 32gb Kingston sd card with life time warranty. ..just in case something like this would happen...so first isolate where the problem is...then it'll be easy to find a fix...good luck...hope this helps
Thanks for the advice, I will try a 32gb card that I have for a few days and try the 64gb in my archos tablet and see what results I get. Ill post my results asap, thanks again
Steve
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Constant problems since 4.3 update!

Since I updated my S4 to 4.3 my phone keeps rebooting itself, bad battery life, constant "sd card removed unexpectedly..." and phone seems a bit slow
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buffblueyes said:
Since I updated my S4 to 4.3 my phone keeps rebooting itself, bad battery life, constant "sd card removed unexpectedly..." and phone seems a bit slow
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Click to expand...
Click to collapse
I wish I could help you with that, but I was forced to downgrade mine to 4.2.2, wich gave me knox warranty 0x1, also I saw a norwegian online IT magazine claiming samsung has pulled the 4.3 update in USA and UK at least.
They used BBC as source: http://www.bbc.co.uk/news/technology-24995544
also: http://www.sammobile.com/2013/11/18...egarding-galaxy-s3s-android-4-3-update-issues
and
http://www.androidpolice.com/2013/1...lls-android-4-3-update-for-samsung-galaxy-s4/
I've just checked them links out, it's crazy really as most my apps are on my sd card so unusable most the time and if I move them to the phone I have no space left so I can't win. Not a lot we can do really
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Backup your files. Then boot into the recovery and wipe cache. If problems persist, then wipe system/data.
Files as in images music etc? Will my apps stay on there?
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Everything will be wiped.
But your apps should be downloaded automatically when you setup your phone again.
Do you wreckon this will solve all the issues I been having?
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I've done as you said and I still have the same problems, rebooting, sd card unexpectedly removed and constantly "touchwiz has stopped working"
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buffblueyes said:
I've done as you said and I still have the same problems, rebooting, sd card unexpectedly removed and constantly "touchwiz has stopped working"
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Click to expand...
Click to collapse
Go to Apps - Settings - More - About device and make us a beaty screenshot pls :highfive:
Here's the screenshot
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Rebootings and freezings is hardware fault not rom related.
Also keep getting errors such as "touchwiz has stopped working", "settings has stopped working " etc
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mrgold2505 said:
Rebootings and freezings is hardware fault not rom related.
Click to expand...
Click to collapse
Agreed.. My old S2 started doing that.. It was the eMMC chip. You need to give more info about the phone itself, such as:..
How was the phone flashed?. If you used ODIN, was "USB Debugging" in "Developer Options" (active) Checked, also was "Re-Partition " in ODIN UN-checked, also did you use any 3rd party kernels or bootloaders or Radios,
Do you use a Case and screen protector, if not.. Have you dropped the phone, has it been cushed in your pocket.. or has it gotten Wet or condensation, maybe from excessive sweating or excersize.
Have you installed a Custom ROM.on it in the past but not read or followed the instructions properly, they are a minefeild if you dont follow the guides
Are you using a 3rd party Non Samsung Battery or a different Charger.
Has any hardware on the phone been replaced, such as the screen , camera or body part.. which may not have been put back properly.
Was the phone pre-owned, which case.. the previous owner couldve done anything to it..
Have you installed a faulty SD Card in the past or used an old SD from a Windows 7 or Windows 8 phone without formatiung it.
If the answer to these is No, Ide return it for a replacement or refund.
Good luck

App icons changed

So I've had this thing for about a week now and the growing list of complaints is still mounting. Now I have an issue where almost all my apps, only those on the sd card, need to be redownloaded. The icon for them is just the Android guy with a little sd card on the lower right of the icon. When I touch it it takes me to Google play and says it's not installed. Anyone experiencing the same? I have reinstalled a few and when I did it seems my info is still there. No idea why it happened.
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jasnoc said:
So I've had this thing for about a week now and the growing list of complaints is still mounting. Now I have an issue where almost all my apps, only those on the sd card, need to be redownloaded. The icon for them is just the Android guy with a little sd card on the lower right of the icon. When I touch it it takes me to Google play and says it's not installed. Anyone experiencing the same? I have reinstalled a few and when I did it seems my info is still there. No idea why it happened.
Sent from my SM-N900P using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Have you tried reformatting the sdcard with the phone (not with windows)?
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Was going to until I noticed that when I reinstalled the apps my data was still there so I didn't want to risk losing all my data
Sent from my SM-N900P using XDA Premium 4 mobile app
Is the card mounted OK? - does it keep unmounting itself? Could be messing up the file system but not actually destroying data., which would indicate a card problem, tried testing the card also? - Try another SD card if you have one, or alternatively format it via the phone and lose the data, then redownload.
Mounting seems fine, actually unmounted and remounted a few times with same results. Haven't tried testing it, what's a good way to do so? I guess an idea would be to transfer app off card back to phone and reformat and see what happens.
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