The Samsung Galaxy S8 has a random reboot problem and nobody knows why.

Apparently Samsung is rolling out an update to fix SD card bugs and issues. It's not specific, so let's hope this fixes bootloop issues.
 
I really hope the update will fix the unmounting/remounting of my SD card because I tried pretty much everything and it's still doing it 😞
 
I been perfectly fine ever since I removed all applications off my SD card and just left pics and vids on the card... Hopefully this upcoming patch lets me put all my apps back on the card, without the reboot, un-mounting issue.

The phone is perfect other than that one issue... It looks amazing, runs smooth as butter without ever breaking a sweat, and it's battery life is amazing. Love this phone, if I could put my apps on the sd card without random restarts it would perfect.
 
Any updates? My S8 is good with no reboots, but I just found out that my friend is having the problem. Continued after a factory reset.
 
I have an update. Just this morning my phone rebooted itself at random. This is the first instance I've seen since the last time I posted in this thread. I wasn't doing anything out of the ordinary. I had just turned on an unpaired Bluetooth device and was swiping down on the notification bar to launch Samsung Connect. I hadn't even yet tapped on Connect when my phone locked up and became totally unresponsive. About 20 or 30 seconds later, it rebooted.

I should add that though I have a 256 GB Samsung SD card, I do not have any apps on it. I only use the external storage for pictures, video, and other downloaded content (e.g. Google Play Music/Movies/TV, etc.)
 
GS 8+, stock launcher, pictures & music only on the SD card. I've been getting intermittent random reboots, but they seem to be getting more frequent. At least 3x in the last couple of days. I guess a factory reset is in order.
 
Mine rebooted again the other day. Always seems to be when I exit an app. Probably the same app doing it just can't remember what it was.

Other than that, phone is just as quick and snappy as the day I got it.
 
i had my phone rebooted once but not because of the SD card it was from selecting a network from starbucks. I figure since it only happen once I wouldn't worry about it too much.
 
Just the other day I got an update from T-Mobile which allegedly provide stability improvements to the SD card. Perhaps the reboot problem has been resolved?
 
Just seems like hardware problems. How can so many phones with the same operating system have different issues? I'm talking about phones from the same carrier having different issues. How can that be software?
 
Just seems like hardware problems. How can so many phones with the same operating system have different issues? I'm talking about phones from the same carrier having different issues. How can that be software?

Well we haven't heard much since the update.
 
Just seems like hardware problems. How can so many phones with the same operating system have different issues? I'm talking about phones from the same carrier having different issues. How can that be software?
Because the system software interacts with the apps on the phone. Even if there's no flaw in the apps, a system-level flaw can have different manifestations depending on what happens to be where in memory, which can depend on the apps.

My guess is a single firmware flaw is causing all of the failures where some component (such as fps or iris scanner) stops working periodically but recovers right away when you reboot (or sometimes the phone reboots itself when the component stops working). I would also guess that if Samsung hasn't fixed it by now, they never will. Sales are still going ok, so they can just keep quiet and ride it out.
 
Because the system software interacts with the apps on the phone. Even if there's no flaw in the apps, a system-level flaw can have different manifestations depending on what happens to be where in memory, which can depend on the apps.

My guess is a single firmware flaw is causing all of the failures where some component (such as fps or iris scanner) stops working periodically but recovers right away when you reboot (or sometimes the phone reboots itself when the component stops working). I would also guess that if Samsung hasn't fixed it by now, they never will. Sales are still going ok, so they can just keep quiet and ride it out.
Seems logical. However, you can take two exact phones from the same carrier that are brand new and have the stock load with no other apps. One will have problems, while the other doesnt.
 
All,

My constant rebooting has stabilized since installing a security update yesterday. the update was 300MB + and mentioned it eas meant to address the SD card issue. I'm on Sprint. My phone was always restarting multiple times per hour and after I installed the update late last night, it hasn't rebooted once. Anyone else, experiencing the same?
 
Still no problems since launch and have 300 apps installed. Seems my device would be a prime candidate if was a systemic issue. Verizon 8+.
 
My Galaxy S8+ has this issue on T-Mobile. It doesn't reboot multiple times per hour like one post mentioned, but it does reboot one or more times multiple days a week. The phone just rebooted by itself a few minutes ago and it rebooted twice yesterday. Does anyone know just how common an issue this is? I pre-ordered the S8+ prior to launch but didn't notice this happening for the first few weeks of ownership. It seems like the reboots are happening infrequently but regularly. Any updates on this situation?
 

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