Full reset? - Xiaomi Redmi Note 4 Questions & Answers

Hi guys.
So, I got my Redmi Note 4 mediatek half a year ago, tried several different roms and official ones, but there always seems to be some kind of problem.
On official MIUI every time some apps updated I had to restart the phone for them to work, on dev rom it wouldn't update, just said decrypting and nothing happened. On AOSP it would randomly freeze and shutdown when I was talking to someone and so on.
So I was wondering if there is any way to fully reset the phone? Is it possible to put a different kernel on it?

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Tablet Z restarting no matter what stock ROM has

So I had this SGP321 for over a year now.Bought it brand new from this guy on the internet for a suspicious low price.Not a real shop or anything so no waranty. It worked very well for a few months then I noticed it started rebooting every now and then.After a OS update that was rolling out at that time (can't remember the version) the reboots were more often.After the KitKat update arrived and I downloaded it,after the process was over and the phone had to reboot,it entered a reboot loop that could not be stoppped (apart from forced shut down,but with same thing when trying to turn back on). I repaired the OS with the PC tool,no changes.I flashed older versions of stock OS with flashtool,reboots every couple of minutes. Then I installed Cyanogenmod 11.That worked very well,no reboots,but had many bugs and battery draining fast in stand by (about 1% per hour no matter what I deactivated,or with various apps to induce deep sleep). The new CM12.1 does not work,keeps rebooting.
Now,yesterday I tried again and again to get the tablet to work with a stock ROM. I only intend to use it for reading comic books,so all I want is a stable ROM with good battery life.So I would like to have a stock one. But why does a custom one run fine on it and a stock one keeps rebooting? I tried Sony forum but they were at a complete loss and sent me here for help.Any ideas?
rammstein_08 said:
So I had this SGP321 for over a year now.Bought it brand new from this guy on the internet for a suspicious low price.Not a real shop or anything so no waranty. It worked very well for a few months then I noticed it started rebooting every now and then.After a OS update that was rolling out at that time (can't remember the version) the reboots were more often.After the KitKat update arrived and I downloaded it,after the process was over and the phone had to reboot,it entered a reboot loop that could not be stoppped (apart from forced shut down,but with same thing when trying to turn back on). I repaired the OS with the PC tool,no changes.I flashed older versions of stock OS with flashtool,reboots every couple of minutes. Then I installed Cyanogenmod 11.That worked very well,no reboots,but had many bugs and battery draining fast in stand by (about 1% per hour no matter what I deactivated,or with various apps to induce deep sleep). The new CM12.1 does not work,keeps rebooting.
Now,yesterday I tried again and again to get the tablet to work with a stock ROM. I only intend to use it for reading comic books,so all I want is a stable ROM with good battery life.So I would like to have a stock one. But why does a custom one run fine on it and a stock one keeps rebooting? I tried Sony forum but they were at a complete loss and sent me here for help.Any ideas?
Click to expand...
Click to collapse
Seems that it has hardware problem like corrupting internal Flash memory or smth else, that is very difficult or imposible to fix by reflashing.

i9300 keeps crashing (OS, TWRP, Download Mode) and boot loops

So, since the past few days my i9300 keeps randomly rebooting. At first it was not that much of an issue but today it started to go into a boot loop.
Sometimes it finishes booting but before I can go into the settings to factory reset it, it crashes.
I also tried to get into TWRP but as soon as the logo shows up, it crashes.
I can't even use the download mode because, guess what happens: it crashes.
I really don't know what to do right now. I still have a spare motherboard but I'm not able to access it for another week. It would be a shame to throw away a perfectly fine motherboard if it is just a software thing.
Currently it is running the last version of SlimKAT that was released, I don't know which version of TWRP it is running, but I updated it just a few weeks ago. It is not using the original battery fom Samsung but one from Anker which should be fine.
If anyone needs more or specific information, I'm more than happy to provide it.
Hi,
just want to ask, you're stuck in bootloop at the "samsung" Logo or where?
Because I am having bootloops, too since 2 days. Phone kept restarting one or 2 times since last 3 days and when i got home on 1. november i put my phone to the charger and got back 20min later and saw it was rebooting.
Mine is stuck in optimizing apps or if i wait long time then it is at starting android: starting apps and i see when the color temperature of the phone changes (i think of the light sensor) it gets stuck and reboots.
just for docu (even if its not the same problem):
i have a 2nd spare s3 for testing here and to test ag. hardware issue i made a twrp backup and both are dying. after facory reset and installing apps i recognized that it is dying at the installation of telegram app and after that its going to the same bootloop on both phones. i checked telegram and seems to fit in, they updated their app at 1. november. and date code of last changes before the bootloop: telegram was modified. so for my problem it seems to be caused by telegram.
I am using bliss rom 6.1 (Andoid 6 Marshmallow, CM13 based) at i9300
sorry for maybe not beeing a help. I now found out that it happens to other app installations, too. so seems to be a problem deeper in android/interfering with this specific rom - maybe its play store . So far since it happens on 2 identical s3 with this rom I will have to change the rom now. :crying: (was stable >1year)
It is stuck on the Samsung Logo. I've been testing multiple ROMs for stabillity because after some time it will randomly crash (most of the time after 2 - 3 weeks of usage) but it was never this bad. I thought it was due to the fact that newer versions of Android need stronger Hardware, so I switched back to KitKat.
But Telegram could be a reason for this. I too use it and if you say they updated it, the timeframe would match.
I know that my spare motherboard is fully functional, with stock rom, not rooted or anything. I will swap it out as soon as I can and will install Telegram to try to confirm that this could be the reason.
Niggyminator said:
It is stuck on the Samsung Logo. I've been testing multiple ROMs for stabillity because after some time it will randomly crash (most of the time after 2 - 3 weeks of usage) but it was never this bad. I thought it was due to the fact that newer versions of Android need stronger Hardware, so I switched back to KitKat.
But Telegram could be a reason for this. I too use it and if you say they updated it, the timeframe would match.
I know that my spare motherboard is fully functional, with stock rom, not rooted or anything. I will swap it out as soon as I can and will install Telegram to try to confirm that this could be the reason.
Click to expand...
Click to collapse
good luck!
But if you'r stuck at the samsung logo, sounds even worse than mine. if your having a new board could at least be an option to check if its really not a hardware issue (you mentioned that its getting again unstable after some time)
for my problem I managed to backup most things out of the nandroid image and moved to ressurection remix with android nougat. the new rom is running fast and so far without any problem - hope it stays like that .

Mi A1 random reboot

I am usig MiA1 for two years.. For the past one year I'm facing random reboots.. Not able to figure out or pin point on any specific app since the reboot is very random... Tried factory reset and uninstalled less used apps and still no luck..
Broke the patience and tried unlocking bootloader and flashed pixel experience rom(Tissot android pie edition). But the reboot issue is still hunting me in this rom as well
If someone have any suggestions, please let me know..
Thanks!!

Can't fix Bugged custom ROM

I have a Galaxy S III GT-I9300 I bought in 2014. After three years, I downloaded a custom ROM from xda-developers (android 4.3 is all I remember about it) and installed it successfully. It worked alright until one day when I wanted to sell the phone and a customer wanted to buy it on short notice, and I rushed to delete my files from the phone, but I destroyed the Android... I connected it to my laptop and shift-deleted some system files.... since then, the phone is delaying when trying to unlock (if i lock it now and try to unlock it a few times, it opens harder and harder), when I'm using apps it continously shows that some .com processess stopped working, and if I try to turn on the bluetooth, the phone instantly freezes and restarts itself.
I tried reinstalling two original ROMs, (version 4.1.2) successfully, but the data on the phone&the system problems remain the same.
I'd like to know how can I make a hard reset, meaning in deleting all the files&settings as it was brand new, just to clear everything, like clearing CMOS. I also think the recovery mode is damaged and I'd like to fix it somehow (if this is possible). The installation process I did for installing the custom ROM from XDA-devs was long and complicated, I had to do a lot of things... and I just want to get the phone fixed and restore to default (or even to fix bugs on this android version) its android, kernel & everything could be ,,reflashed''.
I'm willing to pay if someone helps me fix the problems and it really works. Thank you!

Can't fix Bugged custom ROM

I have a Galaxy S III GT-I9300 I bought in 2014. After three years, I downloaded a custom ROM from xda-developers (android 4.3 is all I remember about it) and installed it successfully. It worked alright until one day when I wanted to sell the phone and a customer wanted to buy it on short notice, and I rushed to delete my files from the phone, but I destroyed the Android... I connected it to my laptop and shift-deleted some system files.... since then, the phone is delaying when trying to unlock (if i lock it now and try to unlock it a few times, it opens harder and harder), when I'm using apps it continously shows that some .com processess stopped working, and if I try to turn on the bluetooth, the phone instantly freezes and restarts itself.
I tried reinstalling two original ROMs, (version 4.1.2) successfully, but the data on the phone&the system problems remain the same.
I'd like to know how can I make a hard reset, meaning in deleting all the files&settings as it was brand new, just to clear everything, like clearing CMOS. I also think the recovery mode is damaged and I'd like to fix it somehow (if this is possible). The installation process I did for installing the custom ROM from XDA-devs was long and complicated, I had to do a lot of things... and I just want to get the phone fixed and restore to default (or even to fix bugs on this android version) its android, kernel & everything could be ,,reflashed''.
I'm willing to pay if someone helps me fix the problems and it really works. Thank you!

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