Develop Bugs

Samsung Galaxy Note 2 N7105

Dear Experts,
I am a noob to android. I am holding a Singapore Samsung Galaxy Note 2 N7105. Have not update to the latest firmware.
Before I update, I would like to know the below:
Please teach me the followings:
1) What does flashing of firmware do?
2) What is root for?
3) If I have update to the current latest firmware, can I still flash / root it?
Thank in advance.

1) What does flashing of firmware do?
It give u a new update to system files or apps or any bug fixes to give better performance over the previous one
2) What is root for?
Rooting a linux distro means giving a super user access to a system. Providing u can access or modify root files and folder
3) If I have update to the current latest firmware, can I still flash / root it?
Yes, u can flash and root it
I think this help u
Sent from my ST25i using xda app-developers app

Question 1: Flashing with custom firmware will automatically root the device?
Question 2: After update, am I able to downgrade the firmware if I do not like it?

Questions
Dukejester said:
Question 1: Flashing with custom firmware will automatically root the device?
Question 2: After update, am I able to downgrade the firmware if I do not like it?
Click to expand...
Click to collapse
Can someone please help.

Yes
If at all possible let the phone upgrade to the latest software, in no time and probably already here, then root the new software. just search "how to root YOUR MODEL, and you will get the answer.
I will try to type an accurate description of step-by-step as you go.

[Q] updating firmware stock ???

Hello!
I used the PC to make Odin to my ROOT Note 2. My question is:
- If I make Update firmware by Kies, do I have to re-configure and INSTALLING applications again, or is everything intact?
- I have to re-do ROOT?
- It is better to use Kies or PC Odin to make UNROOT?
- I lose the settings of Directory Bind?
Thank you.

Intact data. Need to Reroot. No need to unroot.
this is XXXDDDAAA

PqRambo said:
Hello!
I used the PC to make Odin to my ROOT Note 2. My question is:
- If I make Update firmware by Kies, do I have to re-configure and INSTALLING applications again, or is everything intact?
- I have to re-do ROOT?
- It is better to use Kies or PC Odin to make UNROOT?
- I lose the settings of Directory Bind?
Thank you.
Click to expand...
Click to collapse
If you update to a stock rom using pc odin you will have to re root, but you won't lose any settings or apps and directory bind will still work after re rooting.
Sent from my GT-N7100 using Tapatalk 2

Thank you for your help.
I'll do the upgrade Note 2.
Thanks for the clarification.

[Q] Cannot root on latest I9190DXUAMK2

Hi...
Please help me.. After flashed with latest I9190DXUAMK2, now i cannot successfull root my i9190.
It always asked me to update supersu binary, but it failed. Now i cannot restore all app from titanium backup, coz titanium needs root to run.
I also got knox warranty void 0x1. Hope some expert here can give me solutions.

Hi, you need busybox.
Flash root kit v2 it has busybox
Then flash root stock v1 for battery drain. Then everything works

Snowgay said:
Hi, you need busybox.
Flash root kit v2 it has busybox
Then flash root stock v1 for battery drain. Then everything works
Click to expand...
Click to collapse
May I know what does it mean "root stock v1 for battery drain"?

Snowgay said:
Hi, you need busybox.
Flash root kit v2 it has busybox
Then flash root stock v1 for battery drain. Then everything works
Click to expand...
Click to collapse
Please give me link for those u mention..
I'm currently cannot restore all my apps from titanium backup, since it needs root access to restore.
That new firmware has KNOX enable. Even i already deleted some knox app from /system/app, it seems to be run and block all su access.
I followed the root method, supersu icon already there and needs to be updated with latest su binary. But it cannot update, it fail..
ADB SHELL, then run su from command also stuck.. I cannot do anything in unroot condition.. I also tried to downgrade previous firmware, but cannot work. Odin fails too !! Samsung now put high protection on latest firmware, so they protect it cannot be rooted..
If u already tried and make sure this method working, pls give me the step by step method.
Thanks before and after..

Does latest firmware for i9190 needs insecure kernel to disable blocking access from su ?
I tried flash previous modem, odin success, but why the PDA version still no change ?

Problem solved !!
The correct way is to flash the latest update supersu zip from chainfire. Flashing rootkit v2 also no change.
Sent from my GT-N7100 using xda premium

hendry said:
Problem solved !!
The correct way is to flash the latest update supersu zip from chainfire. Flashing rootkit v2 also no change.
Sent from my GT-N7100 using xda premium
Click to expand...
Click to collapse
Hi Hendry,
would you please give me your step-by-step method, full noob here
also recently upgrade to DXUAMK2, try to downgrade to UMG1 but fail and made the KNOX flag 0x1
thanks

rnbeez said:
Hi Hendry,
would you please give me your step-by-step method, full noob here
also recently upgrade to DXUAMK2, try to downgrade to UMG1 but fail and made the KNOX flag 0x1
thanks
Click to expand...
Click to collapse
I still don't know how to avoid knox trigger. Mine also has knox 0x1.. U cannot downgrade to previous ROM since the latest firmware has a new bootloader which protect u to downgrade the ROM.
If u already followed the step from page 1, then u have to do 1 more step.
Just download the updated version of supersu from chainfire. U can download from this link http://download.chainfire.eu/372/SuperSU/UPDATE-SuperSU-v1.86.zip
Go to recovery, then flash it.. U can totally root your device..

[Q] Note 2 not rooted via cf autoroot

Hello,
I've tried to root my Galaxy Note 2 GT N7100 (KitKat 4.4.2) [original, NO custom ROM or CWM]
with
CF-Auto-Root-t03g-gtn7100.tar.md5
via ODIN
as shown in several tutorials.
All seemed passed ok, nothing obviously went wrong, SuperSU appears in the app drawer.
BUT
If started, SU has been be stopped, Root Checker says, the system is very slow and the phone is NOT rooted (properly).
Updating SU via PlayStore is NOT possible, only to deactivate.
Counter is on 1, Triangle away and other system apps don't work, because the phone isn't really rooted
Wipe data also is changing nothing.
So I've now a NON-rooted phone with the counter on 1, updates via OTA were denied, by reasons seen above.
What can I do? Could 'GalaxyNote2Root' be an option?
THX!
KitKat 44.2
BasisBand: N7100XXXUFND3
Kernel: 3.031-1552758
Build: KOT49H.N7100XXUFNE1

Try to flash CWM via Odin

THX
mustafa_1994emad said:
Try to flash CWM via Odin
Click to expand...
Click to collapse
--------
Ohh, THX for you fast reply!
Does
openrecovery-twrp-2.7.2.1-t03g.img
match?
Or alternative: cwm6-root-note2, but this is old (2008)

I tried rooting my N7105 LTE last night and think I am having the same problem mate, hopefully someone can help!

Most important question: Why do you want to root your device?
If you want to run custom roms, forget about root cause you only need a custom recovery (best the recommended one for the rom) flashed with Odin.
Then you can flash any rom you want through this recovery and most of them are pre-rooted, so :good:
Only if you want to be rooted with stock rom I will try to guide you.

THX
Androidwizzard said:
Most important question: Why do you want to root your device?
...
Click to expand...
Click to collapse
Only to prevent KNOX to deny access to the external card and run some apps, which need SU-rights, e.g. Titanium- / efs- Backup and so one.
At last to make TC working again. This app makes the phone freezing (superSU cannot start and hangs).
Thanks for yor reply.

One way to do it:
Flash custom recovery through Odin and afterwards latest SuperSu.
After bootup the app will deactivate Knox.
EDIT: I have not tested, cause I make my own rooted base-roms, so I hope it will work for you.
I can provide you such a base

mustafa_1994emad said:
Try to flash CWM via Odin
Click to expand...
Click to collapse
Yessssssss! Success!
1.
openrecovery-twrp-2.7.2.1-t03g.img (TeamWin) flashed via ODIN 3 (v3.09)
2.
update-superSU.zip loaded (installed) via CWM
3.
KNOX deactivated (superSU)
4.
triangle away
And good is it!
Thanks for all help! --> @Androidwizzard! & @mustafa_1994emad: Your Thanks Meters had been increased with 1
phalanx41

phalanx41 said:
Yessssssss! Success!
1.
openrecovery-twrp-2.7.2.1-t03g.img (TeamWin) flashed via ODIN 3 (v3.09)
2.
update-superSU.zip loaded (installed) via CWM
3.
KNOX deactivated (superSU)
4.
triangle away
And good is it!
Thanks for all help! --> @Androidwizzard! & @mustafa_1994emad: Your Thanks Meters had been increased with 1
phalanx41
Click to expand...
Click to collapse
link for update supersu.zip pls -_-

How to discover root method ?

Hi,
I've just bought Zenfone2 which came already rooted - no one knows with which method ? So is this possible to investigate which root method was used ?
SuperSU is installed , no busybox - so is the smartest way too unroot via SuperSU and then make oneclick root ? ( I want to install newest rom ... )

sebx_g1 said:
Hi,
I've just bought Zenfone2 which came already rooted - no one knows with which method ? So is this possible to investigate which root method was used ?
SuperSU is installed , no busybox - so is the smartest way too unroot via SuperSU and then make oneclick root ? ( I want to install newest rom ... )
Click to expand...
Click to collapse
Download latest rooted image file and flash with fastboot.
Download 19.40.12 OTA and put on 32gb sd card and reboot to recovery.
It will mean you don't have to do it anyway because you have a phone that is bootlooping.
Make sure you get the right version, WW or CN as this can cause problems too....