Samsung S7 edge (Exynos) problem with boot up - Samsung Galaxy S7 Edge Questions and Answers

Hello guys. I'm new here and desperate for help. I have rooted my phone successfully 1 month ago. today I've tried to install twrp on my S7 edge (smg 935f) and i've made some mistake because I don't know what im doing I first download app from store called 'TWRP Manager (Requires ROOT)' and through that app i installed twrp. but then i could not enter recovery mod so i watched video on youtube (How To Root/Unlock Bootloader/Install TWRP Recovery on Galaxy S7 Edge (EXYNOS SuperSU Tutorial) and start doing that. As i saw in one of top comments from some developer i unchecked auto reboot in odin so my phone didnt start rebooting after finishing instalation and while it was done in odin (it said PASS) i still could see 'downloading please dont turn off target' on screen. then i press stand by volume up and home button but nothing happened. so i run files again in odin and press start again but this time odin stuck on 'setup connection' and after 5-10min i turned off odin and disconected usb... and from that point i stop trying anything with cable and pc. only thing i can do now i power button-volume down-home and from there if i press down button to restart phone it gets stuck on 'Samsung galaxy s7 edge powered by android' screen... so only thing i can use now is actually download mode and nothing else...
So now i just want to make my s7 work again, please, give hint what to do from this download mode now i dont care if its stock frimeware or what ever, i just need it to revive again
My battery was 60% when i started (around 30mins ago) and i dont know how much time it will last with this screen turned on...
Thank you guys in advance!!

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Sm-g900f (uk) galaxy s5 - arrgghhhhh

Can anyone PLEASE help??
My partner opted to do a suggested update on her S5, but didn't notice the wifi was off. The phone seemed to have done the update, but shortly after it rebooted itself, then again, then again. The frequency of reboot got quicker and quicker and now it loops between the Galaxy S5 splash screen and the SAMSUNG logo, but doesn't go any further.
I managed to boot the phone into reset mode, cleared the cache and then did a factory reset, but that did nothing to prevent the boot loop.
I then downloaded Odin (ver 10.3.7) and what I believed to be the correct firmware (G900FXXS1CPLV_G900FVFR1CPJ1_G900FXXU1CPIW_HOME.tar.md5).
Having checked the battery was charged, I followed the instructions of connecting the phone via USB, loading the md5 in the AP, checking Auto Reboot and F-Set time in the options and clicking the Odin Start button. I had removed the battery, replaced it and then booted it into the update mode (Power, Home, Volume Down, then volume up) with the screen confirming I was in the right place (....do not unplug.... etc).
The file loaded, (green bar at top of the Odin window on my PC) and Odin reported success. I then disconnected the phone, booted in recovery mode, reset the cache and then did a clear data, factory reset.
The same symptoms prevail, STUCK IN BOOT LOOP!!!!
The only thing different is that if I plug it into the USB on my PC, after a while the phone tries to turn itself on and goes into either a boot loop or freezes on the Galaxy S5 Splash screen or the SAMSUNG Logo.
I am charging another battery (just in case that is in some way to blame) and will try again to replace the firmware, but could I be missing something, do I need to do anything with PIT (I thought this was all taken care of by Odin using the MD5 file) or is there some other test I can perform that will show if the phone is fried???
MANY THANKS for looking!
ur going correct, try to reflash it again through odin and dont disconnect phone until it boots into system, it is taking some good time, so just wait and dont do anything this time like clearing anything or restoring. i hope ull get success.
THANKS - but...
Thanks Rayzen, I will try the whole thing again, but I think there is something more to this than a firmware fault!
There and gone again
OK, so on the 4th attempt I got the phone to take the firmware using Odin, it reported success and the phone rebooted itself (several times) and eventually appeared to boot to a new factory reset.
I put in a SIM card and entered my email and google account details and left it charging over night. This morning when I tried to use it, the screen froze and then it rebooted itself. Hey presto, the phone is back to square one with a boot loop.
ANYONE (please) got any suggestions?
THANKS
No one??
same here, same symptoms, same feeling.
when flash gone right... i feel lucky.. but for half hour only, rebooted and angain in boot loop.
I cannot even boot in recovery. flashed TWRP. from 5 boots in recovery only 1 success.
When trying to wipe phone in TWRP - it hangs.
still trying to install some other (custom) rom. still no success.
hope never dies
same things happened here! now cant get samsung galaxy s5 to boot...............
Are you sure your using right firmware? as it took me a few versions before it booted last time this happened?
Could any please confirm what is the right firmware for samsung galaxy s5 900F
It took another 6 or 7 attempts, left it over night and was about to trash it when it booted.
I then received a 'software update available' message and tried installing it. First attempt put the phone back into boot loop so I reflashed it again using Odin.
That worked immediately the over the network software update installed and now phone is 100%
Very frustrating but I got there!
glad you fixed it! ive tried three different firmwares and still nothing.
trying this one atm
G900FXXU1ANE2_G900FEVR1AND1_G900FXXU1ANE2_HOME.tar
oh and how long do they take to boot when there are sitting at the samsung glowing screen?>
I'm in UK and used what (I had to guess) was the best firmware.
I'll let you know which version it was when I get home tonight.
BUT I had all the problems with a single version and it eventually came good.
I read somewhere that overwriting a different core (from specific providers) with generic firmware, could lead to a world of pain until it gets full replaced... not sure if that's a good description (or has any fact to it) but it seemed to be re-loading and re-loading and re........ for ages, finally cracked it.
well mines booted now!but getting constant errors about samsung push!
If it'still booted, you'very made progress!
Push issues are mentioned elsewhere and can (eventually be sorted) but if you have a booted phone you should be able to get an over the air software update installed from the service provider....?!

Stuck in Download Mode

Hi all, long time lurker first time poster.
I recently got a Samsung Galaxy S5 (SM-G900I) and decided to root it.
Stupidly, I forgot to enable USB debugging before booting into Download Mode and attempting to root via Odin. Now the phone will half boot into recovery then get stuck (stops after displaying "Set Warranty Bit : recovery").
However, if I take the battery out for 5 minutes, then try and boot into Download Mode (Volume down, home, power), it successfully enters DL Mode, and connects with Odin. I get the same issue though, it gets stuck in recovery when it reboots.
Any ideas? I've spent a while searching but come up with nothing.
Ok now I feel really stupid, I tried installing CWM and that fixed it I'll leave this post up in case others have the same problem. Thanks!

SM-G930V Verizon stucked into Recovery Booting... (BOOTLOOP), hard bricked? HELP!

Hello guys this is my first post.
I have a SM-G930V Verizon S7 that previously was in bootloop with OREO, but constantly rebooted at the beginning of the setup I mean when it says hello and so on.
I flashed Nougat without problems and booted normaly but then the FRP was doing his work, I could not boot since I didnt know the email or password.
I then flashed a file that I found to bypass FRP and succeded. I finally got it working very well.
After a while when I tried to clean bloatware suddenly frozen and then never booted again, I wanted to root but couldn´t.
NOW when I flash any ROM from Marshmellow , Nougat and Oreo, it says PASS in ODIN but I cannot enter the recovery.
Vol+, Home and Power gives me a blue line top left saying RECOVERY BOOTING..... then a blue screen saying ERASING... and the reboots again and again. The menu that I can get is the Maintenance Boot Mode (Vol- Power). This menu has 4 items:
1.Normanl Boot, 2.Factory Reset, 3.Safe Mode, 4.Power Down, and the only who works is power down.
I don´t know how much batery is left because I don´t know if in this menu or in download mode the battery charges.
I flashed the last OREO from SAMMOBILE, I also flashed the ROM wich I grabbed when using VZW Software Upgrade Assistant which supposed to be repairing the device but nothing whatsoever.
I don´t have any new ideas my head is full and hot now. PLEASE HELP will be appreciated.

help, i failed to root samsung s8+ (sm-g955f)

recently my phone have been acting strange, android 7.0 with samsung-something 8.1 so i thought i should root it and then update it. - bad idea..
So, i found a old root guide for 7.0
youtube.com/watch?v=-nveQWZlnOI
did a backup of my stuff, then downloaded odin3_v3.12.3 and twrp-3.1.1-0-dreamlte.img.tar, activated the dev-menu and turned on the oem-unlock
did volume down, home, power, run odin, but i acceidently inserted twrp-3.1.0-1-dreamlte.img.tar
the os restarted, everything was wiped, felt ok. I wanted to fix the issue i did, so i did the same thing again but forgot the oem-unlock.
i went odin mode with twrp-3.1.1-0-dreamlte.img.tar and got stuck in "samsung s8+ logo" after...
tried volume up, home, power but nothing....
tried turn off the phone, but it restarts and got stuck on samsung s8+ logo...
tried drain the battery, it worked but it still stucks on samsung s8+ logo....
tried go into "odin mode" it works.
when i running odin, i get "fail" and phone turns off, and go back to "samsung s8+ logo"
im not sure what i can do now.
and suggestions would be appreciated...

Galaxy S8+ in bootloop without recovery and frp locked

Hi guys!
I've read tons of threads and guides on Google but nothing helped me to bring to life my Samsung Galaxy S8 Plus. After hours and hours of test and probes I surrender!
Basically I was using normally my phone and suddenly has power off and showing the Samsung Galaxy Logo continuously. I've force reboot it with vol down+pwr button and after some minutes restart normally again. After 5min again the boot loop and stuck there. Tried again to power it off but didn't work so I thought was the battery (because is 3yrs old with heavy use and months ago I had the screen flickering and a battery drain to zero). I opened the phone, unplug the battery and the power button (because I thought was the power button stucked as on my father phone). So after mounted all the stuff in their place I tried to boot it and suddenly start to work again! I've backup all my things rapidly but again power off by himself and this is the last time I see it working.
So I tried to empty the cache entering in the recovery but it was useless so the only way seems flashing the original FW with Odin. Downloaded the right one with Frija, upload the rights files in Odin (Home_csc because I don't want to lose my internal memory stuff) and the phone automatically reboots, pass the Samsung logo and go in Upgrading mode with the blue android screen and a % increasing. After that by himself power off and nothing happen.
I read some stuff about my possibilities to recover it without losing data but a lot of tutorial talk about entering in recovery but I cannot do it! Simply does not go in recovery with vol_up+bixby+pwr_button even after force shutdown it with vol_down+pwr_button or reattach the battery. The only thing I'm allowed to do is put it in Download Mode to be recognized by Odin.
I've tried to launch ADB devices but it is not visible in Download Mode.
I've tried to flash another firmware for the same model (theoretically my one is unbranded italian) but I tried with WIND one because in download mode there is a text "Carried_ID:WIND" but this FW Odin fail to upload it.
I've tried to flash the TWRP with Odin but fails on the phone with error "Custom binary(recovery) blocked by FRP Lock". I've searched how to unlock it but without have access to recovery or phone settings seems impossible. And this phone has also OEM Lock.
I've tried again to flash the FW but the only difference than before was the blue android robot with stucked text "Installing system update", "Erasing" , "yellow advice notice" and finally a green screen with "An error has occurred while updating the device software.Use the Emergency recovery function in the Smart Switch PC Software". And yes, I already tried with Smart Switch but the program does not detect the phone.
I've also tried to flash the original recovery but nothing change.
Seems that my devices is bricked or a kind of boot loop.
In my situation there is something that I can do to recover the internal memory data? I don't tried to flash the FW with CSC file because I don't want to erase all the data.
My Galaxy was original since the purchasing, no root or flashed a FW, only OTA updates.
I've attached a photo with the stuff that appear in Download mode.

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