Xiaomi max 2 unable to boot. Shows linux penguin only - General Questions and Answers

I was on lineage oreo when the problem first started. i cleaned cache and dalvik through twrp but device took alot time to boot more than usual and it didn't booted for an hour. so i thought cleAN SYSTEM and flash the rom again, but same problem after sometime device refused to boot and showing linux logo instead of mi boot screen.
after a lot of tries, 4-5 twrp booted somhow, i don't know how. so i flashed xenonHD and device took mins to boot and this time i waited for it to boot. the device booted in 45 min.
after a day, the device is woking properly and after waking up next day, device battery is dead and unable to boot into twrp.
device getting detected in fastboot mode but unable to write and format anything. i tried "fastboot boot twrp.img" and twrp stucked at its splash screen.

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Stubborn boot loop

Ok, so my OPO got into a boot loop. I was running latest SlimKat weekly when suddenly during web browsing session the device rebooted itself and got into a boot loop. Well then I booted into TWRP recovery and wiped all the caches (cache, dalvik) and still no use. Then I did a factory reset and still I got a boot loop. Next thing I installed latest 3 SlimKat weeklys (had them on sd card) with factory resets between them and still the boot loop was there. Then the next few hours I spent installing stock roms from fastboot (22R, 25R, 30O, 33R) and still all I got was the boot loop.
Next morning I booted the device to recovery and did a factory reset and restarted (with 30O rom inside this time). Suddenly the device booted all the way to the Android and I was able to install few apps. Then I installed Whatsapp and launched the app. After the SMS confirmation the device rebooted again and proceeded to a boot loop. I turned the device off and let it settle for about 10 minutes. Then I booted in to the recovery and did the factory reset again and was able to boot all the way to the home screen again! Then after some more app installations came the reboot and boot loop.
Since then I haven't got past the boot animation.
In short terms:
- Was running latest SlimKat weekly
- Reboot and boot loop during normal web browsing
- Did factory reset, didn't help
- Installed stock roms from fastboot (22R, 25R, 30O, 33R), didn't help
What is your opinion? Could there be some hardware issue causing the reboot?
Video: https://www.youtube.com/watch?v=ChC58GHbSW4&list=UUHbkAIAVULcCb2pGa2lKIiQ
Sometimes device reboots before the actual CM boot animation, sometimes it reboots during the CM boot animation (usually straight after factory reset or flash from fastboot).
I think the hardware is faulty. I got my device to boot with the official AOSP rom and I even managed to install few apps. The device always reboots or completely shuts down when there is something more intensive going on, like downloading file from web site and installing app at the same time. I will try to investigate cpu and battery temperatures after work today.

Bootloop after updating to COS 13.1

I searched the forums before posting. 73 results came up and I read through and followed instructions of 7 different posts that seemed similar to mine (including the ones that appear when making a new thread), but nothing has worked or I haven't found a situation like mine.
Hi.
I have a HUGE problem and need help.
I was on Cyanogen OS 12.1 and decided to install the latest Cyanogen OS 13.1. I downloaded the flashable zip. Booted into TWRP recovery and installed the zip file. I had always allowed my phone to reinstall Super SU in the past with great succes, but it seems I shouldn't have done that according to someone in Oneplus forums. Now my phone is stuck on the bootup animation that says "Cyanogen MOD ready". I also cannot boot into the recovery or safe mode using hardware keys. Please help! I don't want to lose my phone or my data!
Thanks for any advice.
note: I used the signed flashable zip from here.
EDIT: I was able to boot into recovery using the command "fastboot boot recovery.img". I cleared dalvik cache and flashed COS 13.1 zip. Currently waiting for phone to boot. Hope it doesn't get stuck on the bootup screen again.
EDIT2: It looks like my phone has booted successfully and is now optimizing apps for COS update! If I don't follow up, it means everything worked out great again!
EDIT 3: My phone finished "optimizing" apps. I thought it would take me to my launcher as all other times I've updated. To my surprise, the phone seemed to reboot and was stuck on the "splash screen" (Cyanogen MOD ready). After that, I got the "Android is starting" "Optimizing app xx of xxx" message again, which is incredibly weird and I think my phone might be in a bootloop. PLEASE HELP!
EDIT 4: I remembered that I did a nandroid backup last February so I restored it with "restore" in TWRP. My phone has been stuck on the "Cyanogen" boot screen for about 40 minutes. I'm lost.
To recap everything:
1. I was trying to manually upgrade from COS 12.1 to COS 13.1
2. My phone was rooted, had TWRP recovery and ADB debugging was enabled in dev options. I can enter fastboot mode using hardware keys. I cannot enter recovery using hardware keys (shows a blank screen), but I can enter recovery using "fastboot boot recovery.img.
3. After I flashed COS 13.1, I was asked (in TWRP) if I wanted to install SU and I said yes and flashed it. This is when I was in a loop of being stuck on COS 13.1 splash screen for about 5-10 minutes and then my phone was "optimizing app xx of xxx" for 15 minutes and then rebooted and did everything all over again.
4. I tried to restored a nandroid backup using "restore" in TWRP, but phone is stuck in "cyanogen" splash screen for more than 40 minutes.
No replies...
Not sure what to do at this point.
I ended up wiping data and performing a factory reset through TWRP. Might try to upgrade again in the future.

Asus TF300T - boot loop - device unlocked - can boot recovery Kang Twrp

So I updated to the latest version of KatKiss, did a wipe first (from Kang TWRP), everything seemed fine the tablet booted and everything was working. I powered off the tablet and went on with my day, when I turned it on again it's in a boot loop. I get the ASUS-logo (at least one time I also got the KatKiss-logo), it tries to boot and it returns to the ASUS-logo. I tried to do a wipe in recovery (Kang TWRP) but it doesn't complete, after around 30 seconds it jumps automatically to the ASUS-logo and tries to boot again.
Any solution greatly appreciated.
Glomgold said:
So I updated to the latest version of KatKiss, did a wipe first (from Kang TWRP), everything seemed fine the tablet booted and everything was working. I powered off the tablet and went on with my day, when I turned it on again it's in a boot loop. I get the ASUS-logo (at least one time I also got the KatKiss-logo), it tries to boot and it returns to the ASUS-logo. I tried to do a wipe in recovery (Kang TWRP) but it doesn't complete, after around 30 seconds it jumps automatically to the ASUS-logo and tries to boot again.
Any solution greatly appreciated.
Click to expand...
Click to collapse
Please try to get into "Fastboot Protocol" by holding the button volume down at the time before the boot loop starts newly again. Three icons will appear. The first one, RCK; is blinking. Press volume up and your TWRP should start. Hopefully you have Kang TWRP. If so you may install rom, gapps and SuperSU again by following exactly the install instruction by Timduru here: https://forum.xda-developers.com/tra...t/rom-t3453702.
(Don't forget to do "Format Data" through Kang TWRP as first of all. It takes up to one hour. Be patient and let it run.)
I'm sorry, but if you are really not able to boot into either fastboot or recovery the tablet is bricked for good!
Thank you for advice.
The tablet is up and running again. I wasen't able to boot into Kang TWRP, but I was able to use fastboot. I ran a lot of erase commands that I found in a guide, erase boot, erase recovery, erase userdata etc., afterwards I flashed stock rom. It still wouldn't boot, but I installed Kang TWRP with fastboot and I was able to use TWRP again so I was able to flash a custom rom and it booted up again.
Glomgold said:
Thank you for advice.
The tablet is up and running again. I wasen't able to boot into Kang TWRP, but I was able to use fastboot. I ran a lot of erase commands that I found in a guide, erase boot, erase recovery, erase userdata etc., afterwards I flashed stock rom. It still wouldn't boot, but I installed Kang TWRP with fastboot and I was able to use TWRP again so I was able to flash a custom rom and it booted up again.
Click to expand...
Click to collapse
Congratulations! You did a good job. Seems as if you did the well known "Buster99 Solution" successfully in order to get back on stock rom. Keep it in your mind for ever. It may be also helpfully in other cases of trouble.
odd loop.
Glomgold said:
So I updated to the latest version of KatKiss, did a wipe first (from Kang TWRP), everything seemed fine the tablet booted and everything was working. I powered off the tablet and went on with my day, when I turned it on again it's in a boot loop. I get the ASUS-logo (at least one time I also got the KatKiss-logo), it tries to boot and it returns to the ASUS-logo. I tried to do a wipe in recovery (Kang TWRP) but it doesn't complete, after around 30 seconds it jumps automatically to the ASUS-logo and tries to boot again.
Any solution greatly appreciated.
Click to expand...
Click to collapse
Randomly my tablet started doing the boot loop. It would show the Asus Logo, then the Kattkiss logo and it will go to a screen saying optimizing apps. It would go through and optimize all 1-75 then reboot and start the process again. I unhooked the dock and allowed it to do this until the battery was completely dead. Next day same thing. This tablet has been unchanged OS wise for about 2 years. only used for youtube videos. Super odd that it randomly broke.
It does have a good TWRP version installed v2.8.7.0. So I tried flashing the 7.1 rom, su, gapps and wiped cache/dalvik. Did not correct it. So then did factory reset. Still no go. Now i am doing a full wipe / format. After format i will reinstall katkiss 7.1, su, and gapps. Hopefully i get back to normal after that.
Absolutely no idea what spurred this or what caused the break. Has been completely normal for a very long time. Weird.
Anybody else see anything like this?
thereal35 said:
It does have a good TWRP version installed v2.8.7.0.
Click to expand...
Click to collapse
I don't think so. In order to get this Rom installed on your devise you need Kang TWRP as advised by @timduru https://forum.xda-developers.com/transformer-tf300t/development/recovery-twrp-t3046479.

Endless bootloop after I correctly flashed TWRP.

I flashed TWRP through Minimal ADB and Fastboot. It said the install went fine. Now my phone is stuck in a bootloop at the "your device is booting now" screen. What do I do?
I had the same issue with twrp-3.2.1-1-berkeley.img. Using twrp-3.2.1-0-berkeley.img flashes fine but reboots into fastboot after about 8 seconds. Either I'm doing something incorrectly (??) or maybe a bit more work needs to be done with our twrp images.
EDIT: You need to use the "unofficial" TWRP image. Complete solution here.

OOS11 Broke TWRP and bricked my devices

My Phone was running Android 11 perfectly fine. Has been for about a week and a half, and I've decided that I don't like the OS. I was going to flash a custom ROM and went to create a nandroid before flashing. Literally all I did was boot into recovery and TWRP got stuck in a bootloop, the TWRP splash screen appears, crashes and then reappears about 2 seconds later, now when I try to boot back into system, TWRP appears instead and continues to bootloop. I can enter fastboot mode but that's all.
So far I've tried
Booting TWRP through fastboot. Failed another bootloop.
Rebooting through ADB. Boots into TWRP.
Rebooting Bootloader. Seems to do nothing.
Does anyone have any ideas on how to fix this ? It seems strange to me that something as simple as booting recovery could do this much harm. I also have a nandroid backup stored on the device from about a month ago, so the data loss wouldn't be THAT major, but I'm also not sure how I could access it without system or recovery access.
Hi , Which version of TWRP use? I think there is an update a new version TWRP 3.5.2 , Try to flash it. if its still not booting try to boot the original Boot of OOS11.
May be this threads will help you.
OnePlus Community
Introducing our new OnePlus Community experience, with a completely revamped structure, built from the ground-up.
forums.oneplus.com
humood96 said:
Hi , Which version of TWRP use? I think there is an update a new version TWRP 3.5.2 , Try to flash it. if its still not booting try to boot the original Boot of OOS11.
May be this threads will help you.
OnePlus Community
Introducing our new OnePlus Community experience, with a completely revamped structure, built from the ground-up.
forums.oneplus.com
Click to expand...
Click to collapse
New version does not work as well. Flash the stock boot img to get out of bootloop.
Jacobo123 said:
My Phone was running Android 11 perfectly fine. Has been for about a week and a half, and I've decided that I don't like the OS. I was going to flash a custom ROM and went to create a nandroid before flashing. Literally all I did was boot into recovery and TWRP got stuck in a bootloop, the TWRP splash screen appears, crashes and then reappears about 2 seconds later, now when I try to boot back into system, TWRP appears instead and continues to bootloop. I can enter fastboot mode but that's all.
So far I've tried
Booting TWRP through fastboot. Failed another bootloop.
Rebooting through ADB. Boots into TWRP.
Rebooting Bootloader. Seems to do nothing.
Does anyone have any ideas on how to fix this ? It seems strange to me that something as simple as booting recovery could do this much harm. I also have a nandroid backup stored on the device from about a month ago, so the data loss wouldn't be THAT major, but I'm also not sure how I could access it without system or recovery access.
Click to expand...
Click to collapse
Did your problem got solved?As i updated to A11 a few days ago and am facing the same problem since.Did flashing the new version of twrp worked for you?
Jacobo123 said:
My Phone was running Android 11 perfectly fine. Has been for about a week and a half, and I've decided that I don't like the OS. I was going to flash a custom ROM and went to create a nandroid before flashing. Literally all I did was boot into recovery and TWRP got stuck in a bootloop, the TWRP splash screen appears, crashes and then reappears about 2 seconds later, now when I try to boot back into system, TWRP appears instead and continues to bootloop. I can enter fastboot mode but that's all.
So far I've tried
Booting TWRP through fastboot. Failed another bootloop.
Rebooting through ADB. Boots into TWRP.
Rebooting Bootloader. Seems to do nothing.
Does anyone have any ideas on how to fix this ? It seems strange to me that something as simple as booting recovery could do this much harm. I also have a nandroid backup stored on the device from about a month ago, so the data loss wouldn't be THAT major, but I'm also not sure how I could access it without system or recovery access.
Click to expand...
Click to collapse
At first.- Stable TWRP is not available til now for OOS11
For TWRP to work your device must be decrypted.
This link will help you, will get full details
- https://forum.xda-developers.com/t/...-oneplus-7-pro.3931322/page-152#post-84727891
For more questions and help, please post in that twrp thread only
Regards

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