S4 Mini bootloop (can access recovery & download mode) - Galaxy S 4 Mini Q&A, Help & Troubleshooting

Hello,
I have been trying to fix my phone all day, searching various forums online, but I haven't been able to find anything.
I rooted my phone about 10 months ago, I just installed CWM and the rootkit. No custom ROM or Kernel. I used very popular apps such as Greenify and a few others. I didn't touch anything else or do anything fancy.
When I woke up this morning, I grabbed my phone to check the time, opened Chrome for some browsing and suddenly my screen froze. I thought it was just going to freeze for a few seconds but it ended up crashing entirely and I couldn't reboot at all.
I tried plugging it into my computer but it wasn't recognized at all. The Samsung USB Drivers didn't work and Odin didn't recognize it either. I couldn't boot into Recovery or Download mode anyway.
After searching for hours, I found this : ht tp:/ /w w w.droidsavvy. co m/unbrick-qualcomm-mobiles/
I followed all the steps but ended up getting stuck with some error during the QFIL processus. I was about to give up when suddenly my phone started vibrating, and the "Battery charging" logo appeared (it's now fully charged).
I could access download mode, so I tried installing USB drivers again and somehow my phone was finally recognized by Odin. I reinstalled CWM 6.0.5.1 and was able to enter recovery mode. I also flashed a stock ROM with Odin.
Using ABP, I was able to backup all my photos. After backing up everything, I wiped the cache and started a factory reset through CWM. But then, my phone crashed and got stuck in the bootloop again. I tried to wipe the dalvik cache but it crashed as well. I tried to install the rootkit again (why the hell not) but it crashed too. Each time it crashed at "Disabling OTA survival"
I tried factory reseting through ADB but it doesn't work either.
I looked at many different solutions to fix it, but none of them worked :/
To sum it up (TLDR):
- Phone stuck in bootloop
- Phone is recognized by my PC (Odin, ADB)
- Can access both recovery and download mode
- Flashing new ROM didn't do anything
- Can't wipe dalvik cache or do factory reset

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[Q] [URGENT] Help Required!

My Friend's Galaxy Nexus boots up into CyanogenMOD for 40-50 seconds and then suddenly the phone starts rebooting. After the reboot, it again boots up and again reboots, this goes on untill the battery gets completely drained.
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can't flash via odin (even though it says "passed"), can't enter recovery mode, stuck

can't flash via odin (even though it says "passed"), can't enter recovery mode, stuck
I got the phone around 2012, rooted it and couldnĀ“t update it for the next years. This month, the samsung note app started to crash repeatly. So I tried a custom rom and I stuck with one. That also had the problem of crashing an app, but deleting it solved it the easy way. Although sometimes my phone restartet when my memory was too full and I tried to execute a new app. Yesterday my phone just crashed and went into bootloop without even touching it and now I have these problems:
-boot loop
-can`t enter recovery mode (it load it up but after the CMW Icon appears, it's going back to the loop
-can`t flash via odin (it says passed though, but from the looks of it nothing changes)
Download mode is possible. I tried stock roms, different bootloaders, different custom roms, samsung kies recovery, holding the battery in different ways, different recovery (even though the logo stays the same), different usb ports, disabled kies, reinstalled kies
Phone "doctor" said the motherboard might be broken, which seems to be a common problem for this phone.

Stuck in bootloop after uninstall magisk... Samsung s20

So i tried to unroot my phone via magisk...and it just ****ed me it seems.
It bootloops with first the "this phones bootloader is unlocked..." and then samsung logo with the warning triangle about it not running official samsung software etc.
I cant boot into download mode by going into recovery (it gets stuck on starting fastboot ( the red text )). And i cant hold up and down volume + usb cable to go straight into download either.
after none of these things worked i tried clear cache and wipe data/factory reset with no luck.
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//Jens
ok... i tried another usb cable and it worked getting into download mode. Now i just gotta find the easiest way to get the phone back to stock.
I have the same problem here with my Ultra S20. How did you fix it?? Mine's been stuck all day.. I can get to the recovery menu but not to the download mode.
This happened to me too. I just reflashed the stock firmware and rooted it again etc. It was the only way i could get it back working again.
Install TWRP........
Would have saved your ass.
Also, forndownload mode AND to enter TWRP, use a decent usb cable connected to a computer or laptop.

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