S7 Edge Freezing / Restarting even in TWRP - Samsung Galaxy S7 Edge Questions and Answers

Hello, guys!
I'm coming here with a big problem. I used to have a Galaxy S7 Edge (Exynos edition) , but decided to buy a new phone.
I haven't use S7 Edge for 6 months, after this time the phone isn't working anymore. Used to work very well before that.
I've managed to charge it.
First symptom: keeps restarting and freezing when passing from Galaxy LOGO.
What I have tried until now:
1. Flashed TWRP 3.4.x.x
2. Flashed Floyd ROM, worked for 10-15mins but started again to enter an infinite loop of RESTARTING and sometimes freezing.
3. Flased a boot.img extracted from a UnitedKingdom SW. The flashing process was done by using adb while the phone was on TWRP.
4. Flashed Samsung Original SW using ODIN. The flashing process succeded but the phone kept showning "no command" message alongisede with a nice and green Android )
Can you help me revive this phone?

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Black screen after Samsung galaxy s5 logo.

I have a verizon galaxy s5 I rooted it with the help and guidance from xda members over here. The method I used to root my phone was this one http://forum.xda-developers.com/ver.../safely-upgrade-root-4-4-4-nha-volte-t2879348 since i was already on NI2 I skipped steps 1. to 2.5 post rooting my phone everything was running pretty good for a few days without any issues but less than a day after I inserted a sim card in the phone it started randomly restarting so did a data wipe factory reset but the problem still persisted where my phone would would either randomly restart or go into a boot loop then I got the G900VVRU1ANI2_G900VVZW1ANI2_G900VVRU1ANI2_HOME.zip stock retail tar from here http://forum.xda-developers.com/showpost.php?p=53447942&postcount=1 and used ODIN to flash it but strangely even after I flashed the stock firmware it gave me the UNLOCKED logo at start below the Samsung galaxy S5 logo so I did another data wipe factory reset and now the UNLOCKED logo has gone but I'm getting a black screen after the Samsung galaxy logo. I can enter recovery mode and download mode my phone also gets detected in kies even with black screen.
I'm pretty freaked out and devastated right now because of the suddenness of this problem. I hope someone knows how to fix this issue.
Sorry for the long post but I wanted to be as detailed as possible.

Auto rebooting

Dear all
i have problem my phone is freezing and rebooted automatically
still in Samsung logo i downloaded new firmware for him but still in same problem
i downloaded firmware 4 file and complete software after that freezing in install update system
i make wipe data / rest factory and still freezing in logo
i install custom recovery & reooted
i install custom roms
i repair by smart switsh still freezing in logo
When I do not use the phone for a day
And after working for 20 minutes and come back to the same state (freezing in logo)
I'm tired, can you help me
My phone Galaxy S7 Edge SM-G935FD duos

Help! My Samsung S8+ is stuck on the Samsung Galaxy s8+ Powered by android screen!

I have a Samsung Galaxy S8+. It is now stuck on a boot loop. It all started when it crashed and turned off when I was watching something on Youtube.
I already tried using Odin and flashed my phone. It worked for like a week and then the problem repeated itself when there was a software update. It was updated. Then after a day the boot loop started again.
I flashed my phone again but it wont work anymore.
I will always get these types of messages:
dmverity hash failed
or
cannot open recovery cause
or
invalid
please help :crying::crying::crying:

Samsung Galaxy S4 Freezes when flashing custom ROM via TWRP

Hi all,
I have a regular Samsung Galaxy S4 (i9505 variant) which has been my experimental phone to tweak with custom roms. So far the phone has been working fine until a few days back when my toddler played with it and the phone started to freeze and just rebooted. Since then, I have not been able to use the phone successfully. What would happen is that the OS would boot up but then the phone would freeze halfway through the boot up on the splash screen. I have tried to reflash the phone with a new fresh OS installation and while the flash would be successful (via TWRP) the phone would still get stuck during the boot up screen. I suspect its something to do with the heating of the phone (it does get hot but not overly hot!) Or is my motherboard faulty (hence the problem?) Feels very as I have never had any issue with the phone in the past.
Appreciate any help of guidance on this!
ps - I last tried reflashing the phone with Optimised Lineage (Android 10) JDC.

s8 successful flash but still on bootloop... and another question

okay so back in nov 12. i posted here about the issue of my phone.
i successfully flash the phone with the latest firmware (i think)
Galaxy S8 SM-G950FD - XTC - G950FXXUCDUD1​but still it didnt fix the loop (i only tried the home csc together with ap,bl,cp)
any option to suggest??
also another question about wiping the cache (i cant access the recovery mode cuz of the loop it will just proceed to no command then 2-3 seconds showing the recoverymode plus my phone screen is flickering already.)
is it possible to wipe the cache partition through pc (use of app or anything)?
i saw some post about just charge the phone for a long time (6hrs+) then the bootloop will be gone, is it true or some kind of myth?/ .. dang im running out of options.
i experienced the same thing with same actions, same binary and same firmware. still waiting for such solution from experts.
I have same issue. I flashed latest version of firmware for my S8+
It passed on Odin but never booted again. Stuck on Samsung Galaxy S8+ screen
Not going to recovery. I flashed TWRP but too did not work.

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