Random auto reboots - Xiaomi Mi 8 Questions & Answers

Hi guys,
I bought my first Xiaomi a month ago, and since the first day my phone reboots randomly.
In the beginning it was 2-3 times a day, but now it reboots at least 20-30 times a day.
Moreover, it doesn't only reboots itself, it crashes during the reboot (at least 5 times).
I've never flashed the ROM, in fact I did nothing except installing some apps (Facebook, Instagram, Snapchat)
I'm currently running on Global Stable ROM 10.1.2.0 (PEAMIFI).
Please take into consideration that I'm a newbie in all that stuff, it's the first bug I had on any phone.
I uploaded a video on Youtube, so you guys can see what really happens : youtu.be/7KRbpr-omo8. (sorry can't make a proper link due to security rules...)
(You'll notice the crash during the boot process at 00:30 sec)
Thank you in advance to any one who may be able to give me some ideas.

Wrong section
Sorry I posted this in the wrong section, and I don't know how to move it to Q&A section

Hardware defect

InspirFR said:
Hi guys,
I bought my first Xiaomi a month ago, and since the first day my phone reboots randomly.
In the beginning it was 2-3 times a day, but now it reboots at least 20-30 times a day.
Moreover, it doesn't only reboots itself, it crashes during the reboot (at least 5 times).
I've never flashed the ROM, in fact I did nothing except installing some apps (Facebook, Instagram, Snapchat)
I'm currently running on Global Stable ROM 10.1.2.0 (PEAMIFI).
Please take into consideration that I'm a newbie in all that stuff, it's the first bug I had on any phone.
I uploaded a video on Youtube, so you guys can see what really happens : youtu.be/7KRbpr-omo8. (sorry can't make a proper link due to security rules...)
(You'll notice the crash during the boot process at 00:30 sec)
Thank you in advance to any one who may be able to give me some ideas.
Click to expand...
Click to collapse
Did you find any solutions to this? I'm having the same issue

Related

[Poll] How often does your 2x reboot/gets SOD ?

i am truly sorry about srating a new thread (poll) on this, but i didnt find out how to change the poll options... >.<
thanks for the feedback, definatelly gona get this phone now at last lol
Once a day or something, randomly. Sometimes I can go days without any reboots, sometimes it happens a few times a day.
And LG just postponed the fix... lol
Sent from my LG-P990 using XDA App
Since using custom roms like Modaco rom ( tried fr12 and 17 and both where realy good and very stabel roms ) or cyanogenmod (.31 better battery life then modaco ) i didnt had one freez or something like that. My O2X runs very well and smooth.
I had a lot of problems with the Stockroms ( Vodafone Germany) like freezes, bootloops, batterydrain etc...
greetings
3 times a day on stock Rom.
My second handset totaly stock 1 bsod in 3 week look at the up time
Never
many weeks with many ROM changes!
Meltus said:
Never
many weeks with many ROM changes!
Click to expand...
Click to collapse
How often do you use WIFI and how long when using?
Never had it with stock rom, once with custom rom. I bought two months ago.
Sent from my LG-P990 using XDA Premium App
The poll should be changed this way:
- 10-20 times (or more) per day
- 5-10 times per day
- 1-5 times per day
- 1-5 times per week
- Never
If the phone got problem, it will always freeze.
that mean, the phone will NEVER work stably for the whole week (in case of you got problem phone)
My phone reboots time to time... can't pinpoint a reason though
1.no random reboots
2. no backlightbleeding or something else
3. @ 1500 Mhz got only 57° after 10 minutes of stress testing
I´m a lucky men with a good phone
Well i voted 0 reboots but right now i had something strange that was a reboot... i'm standing next to my phone and it was on and ok. Next i pressed power to make a call and it was asking for my simcard pin. So i guess it rebooted but didnt made any sound .... is this the usual random reboot?
nunomeneses said:
Well i voted 0 reboots but right now i had something strange that was a reboot... i'm standing next to my phone and it was on and ok. Next i pressed power to make a call and it was asking for my simcard pin. So i guess it rebooted but didnt made any sound .... is this the usual random reboot?
Click to expand...
Click to collapse
well from what i know it could be it, but hey, basically ALL phones have some reboots every once in a while.
for how long have you had your phone ?
I have the phone since monday and i had 2 times the simcard pin asking but the 1st i thought it was me but can see it wasnt ...
Sent from my LG-P990 using XDA App
Something will auto reboot or shutdown and no reason. But changed custom ROM was fix the reboot bug, however, the phone also always auto shot off. Waiting v10e, hope can fix all issue.
Sent from my LG-P990 using XDA App
mine never reboots.
and the Poll is weird...
1 time per week? make it 2-3 times per week. cause 1 time per week can't really justify anything.
Same here, mine never reboots.
Owned the phone since release.
Sent from my LG-P990 using Tapatalk
I got frozen state i think twice in 2 weeks. Last one was today. But also twice i got forced reboot, since GSM module simply lost signal and was not reacting till restart.
So if ~40% of O2x users here don't suffer from issues, wouldn't that indicate that there isn't really a problem with the firmware? Rather it would indicate that there are defective O2x units being sold.
Ergo, if the defect is indeed due to a hardware problem, then any "fix" that LG releases is a workaround to the hardware issue - and not true remedy. The only remedy to a hardware issue would be a replacement.
Just something to think about - for all those waiting for LG's magical "fix".

[Q] to lolipop rom users

Hello guys,
I've been testing all lolipop roms that had listed everything as working. Such as crDroid, CandyRom, SlimLP. On every of those lolipop roms pretty much most of the important stuff worked. There were stuff like equalizer not working or too dim notification LED, but from time to time I got touchscreen freezes. I mean I could use phone for a couple hours and then the touchscreen would freeze really often, sometimes it froze for couple of seconds and that was it and sometimes it could last for 10 minutes. This is really annoying and unacceptable if developer says that the touchscreen works.
I ended up contacting crDroid developer - davidteri81 and he said that the touchscreen works fine for him. I asked in the thread and I got only a single response saying he doesn't have this issue, but the sensivity is too high.
I've tried like literally 4 lolipop roms on my Z1 and each one of them had those touchscreen freezes. I even ended up flashing liquidsmooth in which I didn't had this issue, or it just didnt had the chance to happen since most stuff doesn't work there and it isn't usable as a daily driver so I quickly got rid of it.
My question here is:
Do you get touchscreen freezes? Please reply only after minimum 24h of usage. If you don't have any touchscreen freezes on lolipop rom on the Z1 then please, tell me what Lolipop rom do you use as I couldn't find any that wouldn't have a buggy touchscreen.
Please tell me if it works for you without issues or do you also have this issue on the Z1 as I'm puzzled because it couldn't be just me since I did a full phone wipe, flashed the phone clean, even wiping internal memory, but it still happens and I cant find a way to use any Lolipop rom everyday on my Z1. The more replies I get, the better.
@olokos: I'm on CM12 official and use it now for many days. In this time I never faced any touch freezes on my Z1.
I've got some other "bugs" that confused me a bit and make some manual fixes like Wi-Fi MAC. But for me I can say that this ROM is really stable and I use it as my daily driver.
schickel said:
@olokos: I'm on CM12 official and use it now for many days. In this time I never faced any touch freezes on my Z1.
I've got some other "bugs" that confused me a bit and make some manual fixes like Wi-Fi MAC. But for me I can say that this ROM is really stable and I use it as my daily driver.
Click to expand...
Click to collapse
Same for me, although, the touch screen did freeze once, but I locked it and unlocked it and it worked again. It's probably hardware since I got my Z1 replaced because of this issue that even happened on stock ROM occasionally.
using CandyRom 5.0.2
I never faced any touch freezes issue
@olokos: I'm on 20150214 and now I've got touchscreen freezes. This is the first time for me on Z1.
But I think that this could be a global Cm12 issue, because my Nexus 7 also get some freezes and I thought that something is wrong with my fingers or tempered glass.
The problem is how to debug this?
im on candy 5 and my screen dont freeze, but my screen percieves touches from nowhere... but only if i have earphone plugged in .. thats more than just annoying
anyone has the same prob?
sry for my really bad english
Touchscreen freezing issue definitely isn't hardware issue on custom roms. I haven't tried CM12 or any other apart from those listed on XDA, but I will propably build some lolipop rom from source by myself if I get enough reports that will be useful for me. If touchscreen works for you then please, tell me what rom you are using and for how long you use it, what't the way you flashed it.
I only need those 3 things. If touchscreen doesn't work just for me then I'll build my own stock based rom based on Sony sources. I just have to make sure that the touchscreen issue isn't just on my side.
All I need is:
Do you have touchscreen issues? Yes/no
What ROM/Kernel you are using? CandyRom 5.0
For how long? 5 weeks
Answer those 3 questions, legitimately and I'll consider that. I'm not sure If I'll have enough time to work on this, so please, be honest with your answers because I'm not going to fix the touchscreen, or maybe I will if it doesn't happen for everyone.
I experience dramatic touch screen freezes as well since the first time I installed Lollipop nightlies. (4 weeks now). Tried clearing cache, factory restores, de- and reinstalling apps. Reflash kernel, format SD, reinstalling gapps, puzzeling at logcat logs etc. Nothing helps. Random freezes from seconds till minutes. Only thing that 90% of the time will help is keep pressing powerbutton until screen becomes responsive. It happens more when I have a lot of (hangout or whatsapp) notifications, or when trying to type something (stock keyboard). Tried other keyboards: no luck. Tried every toggle: WiFi , Bluetooth etc. : no luck.
I experience dozens of freezes a day. Almost to the point that cm12 is completely unusable. Love this ROM, but this is a real showstopper.
1. No
2. AOSP Vanir 5.02
3. Since first availibility (12/14)
I experienced this issue on 2 roms in 2 forms
1. No (coming from Stock 14.4.A.0.108)
2. KitSlim_AMG [Evo 8.1] / iHackers advanced Stock Kernel
3. Since installing the Rom
This was the first time i experienced touch-issues. Not a freeze of the screen, but the screen sometimes started registering touch-events on the wrong places. This was temporarly fixed by locking/unlocking the display.
1. Yes (coming from KitSlim_AMG [Evo 8.1] )
2. crDroid-5.0.2-20150303-honami / 3.4.0-crDroid (packaged with rom)
3. Since installing the Rom a day ago
This time i get freezes. And they are much more frequent than those "ghost-inputs" from KitSlim_AMG. Unlocking the device also fixes it temporarly.

Tablet crash on Mirek7, mirek5 and googlenowdebloated roms! What can i do ? GPU CRASH

Hello guys,
I got my tablet some month ago, it's the m5c5 model. I immediately flashed mirek roms 7 on it, and it ran fine for a week.
Since then, it crashes a few times a day. It is extremely annoying! It doesn't matter what app I'm running, it just crashed randomly. The screen looks like this
I can't post outside links, as I'm a new user so put h before it : ttp://i.imgur.com/qfDQAB3.jpg
I assumed it had to do with mirek's rom, so I installed his previous version, his ultralight version, still happened a few times a day.
So I flashed the debloated stock rom, and it still happens!!!
Can someone please, please help me!
It is extremely frustrating
Thank you in advance
Hi rekopel,
I'm also experiencing the same problem with the same model of X98. Have you managed to solve this problem in any way or you prefered stop using this tablet?
My problems do not occur so frequently but from time to time it happens to crash. At least once per day if I use it more. This happens during usage of simple everyday apps not games. I don't play them, so I don't know what would happen in that particular case.
If anyone has any solution to this I would be very glad. I'm still using stock rom. I'm thinking on firmware flashing, but I'm not sure that would solve my problem.
Thanks in advance.
I recently updated my stock firmware with Google Now and tablet works much better now. However random freezes still occur almost every day at least once, sometimes even more. It's very frustrating making this tablet almost useless. When buying this tablet I read almost only positive reviews about it, but it seems it's no more than Chinese scrap.
According to high popularity of this tablet at it's launch I would suppose these tablets are still in use, as we don't buy them for only a year or less. But with this model I might be wrong.
So, if anyone has any solution I would much appreciate it
Hi everybody,
I also experience the same problem. My tablet model is C5J6. It happens both in Windows and Android, more often in Android.
I've suspected it has some bad memory block, and when the applications access it - crashes. But I run standard memory test in Windows, and it passed without any problems.
If anyone find something, please share.
Thanks.

[solved] [SM-T813] Random Reboots. Works for days then for not even a minute

Hi,
first of all sorry for my bad english and screenshots with german text .
The situation:
I have a total of two Tab S2 (T-813). The first is 4 years old, the second is less than 2 years old. The newer is now causing problems.
The reboots occur:
- When using the tablet. Definitely with a high load, but also sometimes with only light loads
- When it is charging
- completely random
Edit1: reboots are not related to the battery percentage
Edit2: never experienced a reboot while in TWRP.
I didn't really find anyone with the same problem on the Internet. It is not a boot loop. Sometimes you can use the tablet for hours/ days. Then again not at all, because it starts again after a minute. To narrow down the problem, I formatted both tablets and installed the same lineage version and firmware. Since it restarts, log files are unusable, right?
Is there any way to narrow down the error?
I suspect overheating, but I would like to know if I have any way to isolate the fault exactly. Maybe there is also another (hardware) forum, which can help better in this case, then I would also be grateful for a tip.
I would have no problem opening the tablet. I've already done this with my smartphones.
Thx for your time.
Solution:
It is an overheating problem if you have exactly the same problems as I had.
You can test it simply like this: fill a plastic bag with cold water and some icecubes. Use it like a pillow for your tablet so it can rest on the bag while you use it. I had no problems at all while doing this.
I send it to Samsung and they repaired it.
It's just as new now.
I actually have the same problem, just only when its at 15 or less battery
Hi.
Well, it sounds for me like a different problem, cause it's battery related. My battery is fine and I have reboots not related to battery status.
Have you tried anything (factory reset, newest lineage and firmware,...)?
Hi,
same here. A SM-T813 running LineageOS that started with random freezes and reboots about a week ago. Sometimes I can use it for about half an hour without problems, next time it reboots while rebooting ...
Seems to be completly random, only thing I noticed that it never reboots while in TWRP.
Cleared and reinstalled LineageOS, but didn't change anything. First time rebooted while still in the setup wizard, next time I could finish the wizard and install serveral apps before the next reboot.
Maybe a problem with the memory?
Yes, that is exactly the same.
I never experienced a reboot in TWRP. No problem with reinstalling lineage.
But while reinstalling Android, it reboots while configuring and while reinstalling apps.
The last days I could watch Amazon prime every evening. Now it reboots after a minute even without using it. I shut it off and hope it will work this evening again.
I have the same issue, sent it in for repair asked to flip battery and swap mainboard. Got it back. Worked a few days, then had random reboots again. I am 100% sure it is a battery issue, and when you get under a specific voltage, maybe when it gets under 30% or so, the chance for reboots rise dramatically, with high cpu or flash memory usage. It happens more often when doing a update in Google Play store for example. So totally have no idea, if Samsung flipped the battery or not, but this was my last Samsung product ever. I would assume there is an issue with too much current drain and then it reboots, and the battery used in them are not designed for the units properly.
same to me. i was on stock rom. never root or anything. and got random reboots most of them when i open google play or google chrome. now im on lineage and same. also i notice that the tablet didnt reboot until i install gapps. and the tablet never reboot on recovery or TWSR. reboots on high or low battery. and if it was overheating maybe the tablet will reboot on recovery. dont know its weird. i will try lineage with out gapps to see what happend.
just testing lineage without gapps no reboot. run browser and netflix with no problems. then i install youtube from aptoid store. and reboot start again. o unistall youtube and no reboot for now.
Same here. I have random reboots but also wifi disconnections (unable to reconnect until i reboot the device)...
Not evident cause...
Someone got a solution for this?
Have the same problem on my T813
You can find the solution for the problem I described at the end of the first post.

Question Are there people without ramdump?

today i've bought my new zenfone 8, i was leaving a xiaomi mi 10 because of proximity sensor problems and miui instability.
read lots of reviews about zenfone 8 and all were enthusiasts... today after buying it i found a first post about ramdump, since today afternoon i've read lots of posts....
i've seen my phone is 04/21 MFD....
will it die? are there people wich had this phone (04/21 batch) without problems? searching around in forums seems that anyone sooner or later had the problem... so the phone is in the box and i don't know if i will return it or keep it... give me a little trust in this phone
Do you like to play Russian Roulette?
If you open the box you will have to.
I have phone of same batch 04/2021 and had ramdump once. But I easilly quit it with keys combo. I do not know why it works for some but not for others.
so there are people who never had problems?
cause i could see 30 people having problems, but i'd like to know if are 30 people on 50 or 30 people on 1000, it would be a big difference
Mine is mfd 04/2021 and I still have no problems
There is 35 confirmed cases of this issue and it might not be the same issue as Ramdump is just something zenfone 8 falls back to when there is a problem with the phone. Who knows how many (tens of thousands) people are there without any issues.
I would say relax and enjoy your phone. Don't unlock the bootloader so you don't lose the warranty, but other than that just use it normally.
I just checked and I also have MFD 04.2021. I never had any problems (not that I am aware of) so I never bothered to check before. Does the problem only happen on certain devices? I have the basic version with 8 GB RAM and 128 GB ROM. Happy customer so far.
EDIT: I am running stock firmware, if that matters. Haven't altered anything (yet).
Used it for more than 4 months without problems (bootloader unlocked).
With Lineage 18.1, it worked great for a day, maybe even less. Now I get at least a couple ramdumps every day.
How do one check MFD?
[email protected] said:
How do one check MFD?
Click to expand...
Click to collapse
It is written on the box
Undead_Son said:
Used it for more than 4 months without problems (bootloader unlocked).
With Lineage 18.1, it worked great for a day, maybe even less. Now I get at least a couple ramdumps every day.
Click to expand...
Click to collapse
The problem in the official forum is a "one time" thing, if you get the "waiting for flashing full ramdump", its bricked and you can't do a thing, beside sending it in.
On my brand new ZenPhone 8 running Lineage for Microg 8.1 October 7th version I'm getting the ramdump screen, but only under specific circumstances:
1. not connected to wifi/wifi off
2. on a call
3. have headphones plugged in to the jack
it almost always crashes within 20 seconds. If any of those conditions are not met it works fine (or at least appears to so far). I've tested this ~8 times in a row with all other (known) variables remaining constant.
When it crashes, pressing power for ~15 seconds shuts it down, and it can then be started normally. I hope this helps anyone else e countering the same problem.
Someone had this ramdump issue on unlocked bl but on stock rom? Especially with at least some magisk mods?
MasterWoju said:
Someone had this ramdump issue on unlocked bl but on stock rom? Especially with at least some magisk mods?
Click to expand...
Click to collapse
Yes! My first time with this issue. Never before.
I'm on the lastest Android 12 stock rom (UL-ASUS_I006D-ASUS-31.1010.0410.72-1.1.25-2204-user).
- Unlocked BL
- Rooted with Magisk 23
- Kirisakura_Sake_S_2.0.1 flashed with EXKM
- Only one Magisk module (Font_Manager-v5_6_4-117)
I was playing a game (Zombie Tsunami ). I got my screen freezing, ... dark screen and ramdump issue.
Edit: My MFD is 05.2021
I have too MF 4.2021 - using since 5-2021. I'm very happy with this phone. For all this time I'v got only landscape bug on video - fixed with OTA update.
I'm using stock soft - Android 12 31.1010.0410.72

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