bootloop - stuck on samsung logo - Galaxy S6 Q&A, Help & Troubleshooting

Hello guys i got my Galaxy s6 SM-G920F last week and i rooted it, today i tried to use this guide in order to enahnce the multitasking on my device,
http://forum.xda-developers.com/tmobile-galaxy-s6/general/s6-ram-management-discussion-t3128229
i did backup the build.prop (in the download folder in sdcard) but after i rebooted the device (and followed the guide that i linked) it got stucked in the Samsung logo, i dont have a custom recovery and i dont want to trigger KNOX on, can u please help me fix my device asap?
BTW i'm from israel, this is my first Samsung device and my android version is 5.0.2, Thanks in advance.

Flash with stock 5.1.1 ROM via odin.
http://www.sammobile.com/firmwares/database/SM-G920F/

Related

[Q] Bricked [GT-p3100]

Hello everyone! I Own a Samsung galaxy tab 2 - gt-p3100. I rooted it and installed Cyanogenmod 11. Actually my tab was on Jellybean. Now, I can boot through recovery only. Cannot enter download mode. When I boot my tab, I can see the Samsung logo, then again a samsung logo ( Yeah I see the logo twice). And i cannot turn off my tab So I have to drain the battery everytime. I tried restore through CWM recovery, i never had a backup but somehow i had a recovery file in advanced restore option. So please help me ASAP. I have all the drivers installed, OFFICAL firmware, odin and required tools on my laptop and pc. please help me to recover my tab back. Even if i lose data, it doesn't matter. Please tell me a way to unbrick. i dont know if its a bootloop or a hard brick or a softbrick.
thank you, everything is appriciated !
Hi there, i own a galaxy tab 2 7.0. Do you still need help or not? I flash my tab almost every week
No i fixed it by flashing cm10. But thanks for asking tho.

Samsung S6 g920F BOOTLOOP

Hello!
This phone is a friends. he tried to hack(in hack he means ROOT) the phone (he is a noob and he Fuc*s up and comes to me) :angel:
He flashed the bootloader with (BOOTLOADER_G920FXXU3ZPA1-M(6.0.1).tar)
I know it can be hard flashing back down to 5.1.1 or 5.0.2 . tried but it fails.
Now it wont boot just a bootloop with the samsung logo flashing on and off.
i can get it in download mode. but i dont know exatly what Bootloader to install .
Anny one kind out there to help?

[HELP] Samsung Galaxy 6 SM-G920T NO OS

First my phone was rooted before this but I tried to install XPOSED but it didint work it had me doing a bootloop so i thought about wiping my phone and didint think my OS would get erased now my phone just stays at the SAMSUNG GALAXY S6 screen I installed TWRP but no luck there people told me to install that but no luck I hope I can get some help ive tried to install stock firmware with odin but it keeps saying FAIL please help!
bump
Here are official firmwares for your device. Boot your device into download mode and connect your phone, it should show up in Odin, then select the file you downloaded from sammobile and flash it from there. If you get any errors, please post the log here and I'll take a look at it.

[Completed] Need ROM for G900X

So i bought a ldu of the Galaxy S5 and i wanted to change the ROM for it but none of the ROM's worked for me and the phone can't boot up, it's stuck on the Samsung logo. Phone has Write Protection enabled.
None of the PIT files i found worked. Now I'm stuck with a bricked G900F and I'm trying to find the original Demo ROM but i couldn't find one. Phone has twrp installed on it but still can't install custom ROM on it because it won't boot up.
TheMati117 said:
So i bought a ldu of the Galaxy S5 and i wanted to change the ROM for it but none of the ROM's worked for me and the phone can't boot up, it's stuck on the Samsung logo. Phone has Write Protection enabled.
None of the PIT files i found worked. Now I'm stuck with a bricked G900F and I'm trying to find the original Demo ROM but i couldn't find one. Phone has twrp installed on it but still can't install custom ROM on it because it won't boot up.
Click to expand...
Click to collapse
Greetings and welcome to assist. There is very little information on the live demo units, I did find a couple of threads on it
https://forum.xda-developers.com/showthread.php?t=2758140
https://forum.xda-developers.com/showthread.php?t=2724575
If you can boot into recovery using the 3 button combo it looks like you can install a cm rom
Good Luck
Sawdoctor

Bricked Device after flash TWRP recovery

Hi all,
I'm not new in XDA but i'm new in Samsung and yesterday i bricked my device. i own a Samsung Galaxy S8+ G955F
What i did was, first ticked OEM Unlock and USB Debugging in Developer options and then flashed the original TWRP recovery for Galaxy S8+.
After reboot the phone bootloop, i only can go to Download Mode and after that i trigger the Knox too.
If i try to flash an original Samsung rom i solve the problem?
Any help please?
Thx.
Solved by flashing a stock rom.
Sent from my Samsung Galaxy S8+ using XDA Labs
Reflash stock recovery.
Jtag dead phone to life and rewrite IMEI
First of all my phone is the s8+ G955fd, but I am sure that the people that helped me can help most Samsung owners with bricked phones.
My phone ended up being stuck on the first boot screen, I couldn't get into recovery or download mode. I installed TWRP and after that I lost my IMEI numbers( dual sim), so I tried to reflash stock and thats when i became bricked. I searched someone to help and found reference to the Fonefunshop in England. I sent it there and they said that the eMMC chip was bad. I searched for someone who could write to it or put a new one on the motherboard . I found A2Z cellular in Ottawa Canada. They used jtag to restore it to stock and they told me that the Fonefunshop had not opened the phone which is necessary to use jtag as they claimed, so avoid them.
The phone was now back doing everything it should except the IMEI's were null like before. I gave them the original IMEI's and the phone is working like new.
If your Samsung is bricked these guys can probably fix it and it won't cost much to find out.
PLEASE HELP!!!!!!!!!!!
I tried flashing TWRP Recovery 3.3.1-0 on Galaxy Tab A 10.1 LTE (2016) via Odin and when i tried to load into TWRP in just goes to the custom download mode without showing twrp, on top of all of this my tablet is now soft bricked and i can only access the download mode.
please help me...WHAT CAN I DO?????????????
JimJimJim22 said:
PLEASE HELP!!!!!!!!!!!
I tried flashing TWRP Recovery 3.3.1-0 on Galaxy Tab A 10.1 LTE (2016) via Odin and when i tried to load into TWRP in just goes to the custom download mode without showing twrp, on top of all of this my tablet is now soft bricked and i can only access the download mode.
please help me...WHAT CAN I DO?????????????
Click to expand...
Click to collapse
You need to find that devices forum and post there. This is for s8 plus only

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