[install TWRP]How to unlock bootloader on Samsung Galaxy Note 4 / N910F / Marshmallow - Upgrading, Modifying and Unlocking

Hello,
I'm trying to install TWRP recovery mode on my Samsung Galaxy note 4 ( version N910FFXXU1DPE3) running under android 6.0.1 Marshmallow
I have rooted my phone (installed the CF_Autoroot stuff with Odin) , but it doesn't seem to be enough, because when i install TWRP and try to boot in recovery mode, my phone show a message "unable to do normal boot" and switch in "download mode" and get stuck in it.
I Fixed it to work normal again, and try to find what i did wrong :
And It seems I missed to "unlock" my "bootloader".
I try to find on internet how to do it, but i can't find anything
Either the file links are missing,
Either it's only for Android 5
Either its for another version of Galaxy note, and not for mine : N910F
I can't find any good tutorial to do it, can you help me with this ?
Thank you !

I have the exact same problem, I know this thread is really old.
But I can't find anything about unlocking the bootloader for n910F, and as above - it's definately locked because I can't change the recovery,.

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[Q] [q] need help in unrooting!!

HIII !!
i am from india and new here i recently rooted my NOTE 2 N7100 as i wanted note 3 features, but now i dont want to take further risk. i want to return to normal state form modified state and also want my warranty back.
phones model is GT-N7100
Build no. JZO54K.N7100XXDMG1
Kernal - 3.0.31-1071214
Android version 4.1.2
i only rooted via ODIN an installed Philx recovery.
Whereas i first installed CWM but after ODIN's pass massage phone booted in normal mode and when i tried to go into recovery mode It starts N7100 logo appears and then screen flickers 2 3 times and then shows blank screen therefore i installed Philx recovery which solved the problem and now i can go into recovery mode but rootcheker says my device is not proprely rooted. and no root apps works,
i had my efs backup only is there need of any other backup ??
therefore i dont want to take further risk(i dont have spare phone) n decided to wait till official upgrade.
so guys please help me in unrooting my device... through proper guide
thanks in advance
Follow this guide-
http://forum.xda-developers.com/showthread.php?t=2339704
Sent from my AweSoMe ?♥Note2♥?

[Q] "No Command" - Root Menu

I have a Samsung Galaxy Tab 3 Neo/Lite SM T-111 and whenever i try to root my device or flash a custom recovery( manually or with odin), after the restart the message "no command" gets displayed and i am directed to the stock recovery screen. I tried to flash the automatic root through odin but still the same result. Can someone suggest something ?
PS - My device is not soft bricked, all functions work properly except for recovery.
Specifications :
Android v 4.2.2
Kernal - Stock (3.4.5 - 2751957 [email protected] #2 )
Hi there,
I'm sorry but I can't find anything relevant to your question/device.
Please wait until mods will move this thread to the device specific forum for more relevant answers.
Stand by

Galaxy Note II Download Mode Issue

Good Afternoon, guys!
I have a issue with my Galaxy Note II, i was trying to install original firmware by Odin but unfortunately it didn't work. Odin had error all the time. I tried all of the methods which i found on forum all time my phone was stacked at "Downloading Mode...Do not turn off target". Also i found solution with TWRP and i tried to install TWRP by odin, so it kinda works i had a message that i passed but now for some reason i can't access to download mode at all :crying:
So my question is, how i can access to download mode to make recover?
And anybody know how i can make recovery with bricked phone? i was trying all of the firmware and it didnt work :crying:
Please help, hope you understand what i meant.

Last Hope to bring back my Honor 8 Pro to Life!

Hello All,
I have Honor 8 Pro from 1 year now and i have been using Custom ROMs (Thanks to the Developers here) from very long. I was using OpenKirin ROM and then when Android P was release I used FFW to get the latest one and tried to upgrade the phone (thinking that i know everything ).
And the result was catastrophic! Now my phone only boots to recovery mode and if i try to do recovery, it fails.
Current status (Attached Screenshots for reference):
Bootloader locked : says "PHONE locked"
Tried HCU: cannot see any phone info other than Serial number
I have DC-Phoenix+HCU 3 days pack. So please let me know if something can be done to revive my phone. Please let me know if someone can help.
Hi, did you recover your phone finally.? Actually mine also stuck with same problem but the only difference is my phone status shows phone BOOTLOADER Unlock, FRP - UNLOCK.
Unable to do anything but am able to flash twrp and have Access in twrp but unable to flash anything coz all partitions are deleted. Shall I keep any hopes.??
This is old but it might help.
https://forum.xda-developers.com/honor-8-pro/how-to/unbrick-device-revert-to-stock-complete-t3802298

Samsung a7 2018 sm-750fn Stuck and several problem

Hello dear, i have a problem with a Samsung a7 2018 from my friend..so i explane the problem..the phone doesnt work with any sim card..my friend give a mobile to a Person that i do know WTF do block the phone and appears a Red write on boot where Say that smartphone Will not work without originale firmare..so i try to repair with Odin..i flash thousan of Rom Italian on the beginning all still working but not the Sim..It recognize inside but i can select the network so i can only make emergency call..i try to flash with different rom with custom rom with twrp but nothing Always the same problem..i try different rom all firmware flash correct with Odin but now i face a new problem..when i flash with all firmware i use It flash correctly i can go in download mode rescue mode but i cant procede with smartphone configuration..Is still Always lock on Samsung logo..and stay like this for ever..any help for fix It please? The latest rom installed Is android 10 firmware itv..model Is sm-750fn..if i go to download mode It happears avoid waranty 1 and carrier_id omn..now i cant install in any Way twrp again..Always file and Say that only original bootloader Will work

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