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galaxy s6 twrp problem

i have a g920f with 6.0.1 and i want to install Alliance rom. I have flashed spacex kernel and flashed twrp mm by ManhIT both using odin. (i also tried to use cf autoroot and flashed twrp but got stuck in bootloop). the problem i am facing now is that my twrp is not working when i am in twrp and i try to get out of it it gets stuck(by any option reboot, poweroff etc) but if i restart my device it will turn on like any normal device. Should I Flash alliance rom using twrp and boot it using restart method? or should i solve the twrp problem 1st?
Any Help is appriciated as i am a noob and this is my 1st phone by samsung
Thanks in Advance

Samaung s6 g920F fails to update to android 6

Hi im trying to update my samsung G920F to a marshmallow but any attempt to leaves it in a bootloop. Ive sucessfully installed twrp however when installing a custom rom the device is stuck at the Samsung loading screen. Ive tried usuing diffrent versions of odin, twrp and also tried to install stock firmwares for anroid 5 and 6 via odin but all fail. Ive restored the phone back to android 5.1.1 using smart switch and then attemped to root it with CF-root so then i can try install the recovery using the app but after flashing cf root with odin the phone is stuck in a boot loop again with 'Kernel is not Seandroid Enforcing ' on the top left of the screen.
Do i need to do anything before i flash the rom or twrp or root?
and does anyone know how to update the G920F to android 6?
thanks

Which error do you get when you try to flash a stock rom over Odin?

why i got stucked in downloading mode ?

i have samsung galaxy s4 gt-i9515 . Yesterday i rooted my phone using kingroot app. Then i installed twrp recovery for my device using a flashing tool called FLASHIFY. when i started the process it suddenly goes to downloading mode and got stucked. I tried to get out but i can't. in the downloading mode, it says 'COULD NOT DO NORMAL BOOT'. My custom recovery is working, so i jumped to this and tried clearing dalvik cache.,etc by seeing some forums,but nothing happens,it again returned to downloading modes. what can i do to get my phone back ? i have downloaded a firmware to flash. But i have some doubt before flashing the firmware using odin. ( doubt): in the first line i had said that i have gt-i9515,this a value edition,but when i searched for my device firmware there showing firmwares for two ,one is for s4 gt-i9515 and another is s4 gt-i9515 value edition,so my question is these firmware are inappropriate ? can i flash it ?
plz tell me what happened to my phone and there is any alternate for flashing a firmware ?
plz help me

SG S6 SM-G920i still stucks in bootloop even flash with odin

Hi. My SG S6 G920i still stucks in bootloop even I flash the new firmware from sammobile via Odin.
I have a screenshot of its firmware when I updated to 6.0.1: G920IDVU3EPC6/G920IUUB3EPC6/G920IDVU3EPC2.
I download the same from sammobile and flash it via odin. It's success. But still in bootloop, and even Recovery Mode by pressing volumn up + power + home button does not work.
Can anyone help with this?
Do I need to flash the firmware when I firstly bought it?

I did not root or did anything to that phone.
Just normal using, and it restarted and hanged in samsung logo forever.
I'm trying to go to recovery mode (volumn up + power + home), but it does not work.
One thing work is going to Odin mode (download mode).

I have the same problem. Your problem was solved?

vfaguiar said:
I have the same problem. Your problem was solved?
Click to expand...
Click to collapse
Read https://forum.xda-developers.com/sho...46&postcount=3

same problem with my sm-g928c

N915F can't boot

Hi all, my note model N915F cannot boot after I tried to flash TWRP and now shows a phone and a computer with a yellow triangle with a mark inside. It's detected by Odin in download mode but as I try to flash stock 6.0.1, its stuck at nand writing. The phone is not charging. Please help
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