Force shut down after injecting multimedia sound box jack - Xiaomi Redmi 4X Questions & Answers

Hi there !
My device is xioami redmi note 4x, last night i plugged my phone to a microlab multimedia sound box with a 3.5mm jack ,at that moment my phone stuck on screen,and got force shut down, after that i tried many times to boot it on,but it only show boot logo for 5s then it automatically gets force shut down. my rom is pixel experience 8.1.0 and custom recovery is twrp 3.2.1.0 . i reflashed the rom again but still the same problem existing ,then i flashed the official miui 9 via fastboot method(official).it successfully flashed.but the problem still existing. recovery / custom recovery and fastboot menu working ,i can easily get into the fastboot menu and recovery menu but the operationg system does not boot on!!!
need help plzz

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MI Max 2 soft-bricked

Okay here is what happened Yesterday I restrated my phone beacuse the volume and power keys were acting funny but instead of booting into the system in boots into TWRP btw just in case I installed a custom rom before i restarted this okay back to the problem today I gave up trying to flash new custom roms since It keeps booting into TWRP so i decided to go with the stock rom I flashed with Miflash hoping it would fix but now TWRP is gone can't turn off my phone,can't boot into fastboot or bootloader,all I can is Mi-Recovery 3.0 also just to add my volume up key wont work that's the reason for why i think there is damage on my volume up key.
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TWRP BOOTLOOP

Hello guys.
I hope someone can help me, it's a disaster
Im from Rom Stable 1.7.
Last night I installed the 2.1 ROM . The installation went well . I noticed that at the end of the installation TWRP offered to install a new version . I declined and exited the recovery mode. Everything was fine.
Today I wanted to flash the Hotfix patch because I have the usb c to usb c battery problem.
I turn off my phone, I press ON+bixby+up, the TWRP logo appears, and I enter a bootloop, TWRP does not launch !
I press ON+bixby+down,
The samsung logo appears and the phone launches. I try again, and there, bootloop also. I'm doing ON+Bixby+UP or DOWN again, I'm stuck on TWRP loogo!!! My computer no longer detects the phone by USB and ODIN does not detect it. HELP ME
I cant shutdown my phone, battery drain please help me :'(
I had this problem on the Note 8, I went on YouTube and solved my problem by pressing power,vol down,bixby button,all together.
Then once the screen comes on,straight away,do the power button,bixby and volume up,keep them presssed until the samsung logo appears,or just keep pressing, on mine this returned me to twrp.
I tried all the combinations, with or without my USB cable plugged in:
*POWER+BIXBY+DOWN until TWRP shutdown then i dont push anything : samsung logo then TWRP bootloop.
*POWER+BIXBY+DOWN until TWRP shutdown then i hold on: Samsung logo then TWRP 1 second then Samsung logo etc....
*POWER+BIXBY+DOWN until TRWP shutdown then Samsung Logo then UP+BIXBY+TWRP: TWRP bootloop.
I think i did a mistake when i tried to exit TWRP bootloop the second time with POWER+BIXBY+DOWN because my phone was connected on my computer....
Update :
Actually when i : POWER + BIXBY + DOWN the phone shutdown. Then, POWER button doesn't works. Power+bixby+Down or UP doesn't works.
When i try to charge or connect on my computer, TWRP logo appear 5 seconds then phone is shutting down.
Hi! I ma facing the same issue. Anyone able to fix?

Question (SOLVED) Help - Can't boot the device, stuck in "Redmi" bootloop. Can't enter in fastboot or recovery

Hi guys. today I tried to install a GSI rom on my device, everything is fine, it worked, but the brightness slider didn't work. To solve I read on the thread that I should, more or less, install a Magisk module, but when installing the patched boot on magisk, the phone started to bootloop, and I cannot enter fastboot or recovery to fix. I tried a lot of guides found both on this forum and on Google in general without solving the problem. How could i proceed?
Hi,
I do not know if this will work for you but, when my phone (Redmi note 10 5g) enters in a boot loop, I just keep the volume down button pressed and wait for the next reboot (30s max).
Doing this brings me to fastboot mode automatically.
Best of luck
This seems to only work if the bootloader is intact. If this method does not work, BROM mode needs to be used.

HELP :( Recovery boot loop/ fastboot loop on Redmi note 9s (Not specific device forum available, thus i post here)

Hi! Firstly i know that this is "redmi note 9" but being that i cant find a forum for the redmi note 9s, i will post my question here (please, help needed)
Info: The phone had its storage almost full. It is not rooted nor it has the bootloader unlocked. We haven't tried external tools on pc yet.
The problem: While charging, out of nowhere, this redmi note 9s went onto a recovery menu loop (the recovery menu shows, you put some option like safe mode or reboot, but when the phone restarts it gets on to the loop menu again and this repeast forever). And we cant just factory reset cause we need some media of the phone (mainly thousands of photos).
What has been tried:
-Rebooting the phone from the Recovery menu doest not work, when the phone starts again it gets onto the recovery menu. -Entering safe mode goes the same way.
-Dont know what to do with the MiAssistant option, we have tried connecting the phone to a pc, and the pc recognises it, but doesnt shows the phone files.
-Also have tried entering on fastboot (pressing -volume, while it starts) but also dont know what to do there, if we turn the phone off, it just starts again in fastboot.
So, since we dont know what to do, I ask for help please. Thanks in advance!
Edit: this is not the indian model, the phone has been buyed in Peru (South America)

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