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[Q] GALAXY S5 - SM-G900F unable to boot TWRP or CWM

Hello. I have GALAXY S5 - SM-G900F Lollipop. I wanted to root it and i used Kingo. It said that root was successful i even had superSU app, but i couldn't open it and when i installed app that i know needs root access i didn't get prompted to allow it. So after some checking i concluded that root was not successful and wanted to revert it with kingo again. It said that S5 was not rooted and i couldn't root it again (was getting failed this time).
Then i wanted to do factory reset to 4.4.2 via mobile but each time i would select that option phone would just freeze. I booted into recovery TWRP that i installed previously and did hard wipe. After that i was without ROM, and installed lollipop using this tutorial (/watch?v=r_ifFnj9tbo). Everything was fine but i lost TWRP and was with stock recovery.
I wanted to root phone again using different method (/watch?v=iBNGeppOzGI) but when i installed TWRP via odin (i got success and phone rebooted as last time i installed it) and tried to boot into TWRP using button combinations phone would just load standard recovery instead. I also tried to install CWM, same results. Success message, phone reboots and it still loads stock recovery so i'm stuck now. Anyone has any idea how to install TWRP now?

Anyone got any idea, don't know what to do here. Any help appreciated.

Could you paragraph your post please, it hurts my brain trying to read it like that

*Detection* said:
Could you paragraph your post please, it hurts my brain trying to read it like that
Click to expand...
Click to collapse
Just for you any ideas to why i can't get into twrp or cwm?

Anyone?

Stock rooted Lollipop with TWRP - Is this the best method to upgrade to MM?

There are a few threads that deal with upgrading lollipop to marshmallow, but they seem to raise as many questions as they answer - mainly since they were usually written before rooted images were distributed.
Basically, I am on an unlocked, rooted stock XT1575 with TWRP 2.8.7.0. It sounds like it's less efficient and has lots of potential problems to go back to stock, unroot, install OTA, do new system root, and re-add TWRP.
Instead, it sounds like the simplest method to get to stock rooted MM, with least steps and potential problems, should be this:
Update TWRP to 2.8.7.1 using IMG file here from within TWRP Recovery (TWRP Manager did not install it when I tried via Android proper - I was still at 2.8.7.0)
Do a full TWRP backup of my current Lollipop stock rooted installation (I assume this means I can restore without problems if the MM install goes awry)
*Optional: Use Titanium Backup to backup settings of important apps, and text messages/MMS.
In TWRP, Wipe->Swipe to Factory Reset
Transfer to phone and Flash via TWRP the stock rooted odexed ROM from this thread (not sure if there is a good argument for deodexed? I've never gotten a clear answer why one should be better, but would stick with odexed just because I believe it is "stock" so maybe less problems?)
Install SuperSU 2.62 from this thread by simply flashing it as normal in TWRP 2.8.7.1.
Reinstall all programs on initial setup. [*Optional: Reinstall via Titanium backup]
I assume if I do this I will: have marshmallow; have root; have working TWRP.
Does anyone see any obvious problems with this method? Thanks, I really appreciate any comments.
EDIT: Yes, I tried this method. It all worked, except I've added SuperSU installation steps that worked for me, since the "Stock Rooted" ROM is NOT actually rooted when I flash it. Also, used Titanium Backup successfully for some programs, so added that as an option.

Sorry to bump, but any response from someone with experience would be very helpful. I just want to make sure I don't have to go through the whole unroot/OTA/reinstall TWRP/reinstall root procedure that every thread says seems to cause problems...

Answered my own question - edited the main post to show the method used successfully.

Thank you for this answer thread. I was looking for the simplest answer for upgrading to MM without having to unroot and reflash everything. Looks like this is the easiest for now (I have having to reinstall everything, since some games I play to NOT react nicely to data being restored via titanium).

Have a brand new XT1575 with 5.1.1, Does the MM Update break root ability. I primarily want it for xposed, adaway. No ROMing
Should I update and then root? or root and then update?

I personally have found that following this method breaks root possibilities. MM is rooted, but when I got to the point of installing SuperSU via these steps, it broke EVERYTHING (settings stopped working, Motorola Services stopped working, etc).
I have to start from scratch again now.

Lost root after 1-2 days

I recently got a Galaxy S5 (SM-G900T with LMY47X.G900TUVS1FOJ4).
I grabbed chainfire autoroot and flashed it with the Odin 3.10.6 that came with the CF file. It successfully rooted the phone. I installed Titanium Backup and restored all the stuff I wanted from my old device.
I've been using the device for 1-2 days now and lost root. I opened TB and it says I'm no longer rooted. I confirmed this by downloading a root checker and it also says I'm not rooted.
According to TB, I had BusyBox for root. There was no application icon nor was it in my list of installed applications. When I used chainfire's autoroot on my S4, it installed a super user program that I could open from my app list.
I would really like to continue using Titanium Backup. Does anyone know how I can gain root access again? I already messed it up once by reflashing the autoroot. This caused an infinite bootloop and I eventually got out of it by doing a factory reset. I've returned my S4 to T-Mobile and don't want to soft brick my phone again.
Thanks.

Anyone have any suggestions of how I can reroot my phone?

If you successfully used cf autoroot then that's not the issue.....My money is on a deleted or disabled or un-updated super user app.... this is what will give you (or prevent you from having) root access to your device.
http://i.imgur.com/rVnFwJM.jpg

Using supersu v2.65 works well for me
whynoteel said:
Anyone have any suggestions of how I can reroot my phone?
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Some days ago I get same problem ( lost root ) because i use supersu v2.67 on cm13 for sg s5 : g900f
therefore, after installed cfroot you can use twrp 3.0.0.0 as custom recovery
Then , Download. & update supersu to v2.65 by using twrp recovery ZIP version
Thanks i'm waiting for a reply

Can't root anymore

Hi All,
I had obtained root via CF-Autoroot and was using it with xposed for the last few weeks without issues. I took the lunge and tried to install phh super su, magisk systemless root. so the nightmare begins for me and i'm hoping it's an easy fix!
My system is still encrypted (I believe because TWRP can't see the system) SD card is fine. I've wiped my device a few times already and am hoping I don't need to wipe it again(prior to this setup).... So currently it's running fine without root access (How I hate android without root!!!)
- I've tried flashing Supersu zip in TWRP and it's failed - I believe it's not supported yet for encrypted devices.
-I've tried using the original CF-Autoroot method I used initially.
Both methods, it boots up straight away (no optimising apps) and after installing supersu app from playstore, it says no binaries found.
What are some ways I can inject root without wiping my device?
Please help me! Thankyou!

Maybe go back to the start and flash original FW through Odin and start from scratch, so you have a fresh phone to work with.

dwarfer66 said:
Maybe go back to the start and flash original FW through Odin and start from scratch, so you have a fresh phone to work with.
Click to expand...
Click to collapse
That's my plan when I get home tonight. I want to flash the original firmware file my phone started with (I'm assuming it won't delete anything?) and then run through the root steps again.. if it doesn't work, I'll wipe my phone and make sure I get rid of encryption this time..

kevinwu128 said:
That's my plan when I get home tonight. I want to flash the original firmware file my phone started with (I'm assuming it won't delete anything?) and then run through the root steps again.. if it doesn't work, I'll wipe my phone and make sure I get rid of encryption this time..
Click to expand...
Click to collapse
I think you will only lose stuff if you do a system reset after installing the original FW.
I only have had to do that on my tab S not my Edge after coming from a custom rom as I got slow down.

Resolved: flashed original rom and obtained root with cf-autoroot.
If someone has detailed instructions for magisk systemless root and xposed, it'd be much appreciated.. i want to have the option to use android pay or play pokemon go if i wanted. Thankyou

Root problem (full root not systemless)

Hi, so I was trying to get full root not only system less root on j730gm and what i followed here to rooted mobile witj twrp first(boot.img patched), then after that full unroot (keep boot.img patched) and in twrp gave command and install super su zip again and this time logs clearly showed system method while rooting, after all that I am getting bootloop. Mobile is hang on samsung logo, tried reset with twrp and official recovery both. Can some one tell me where i did mistake or where is the problem. My only requirement is to root this mobile and make super user app as system app. Even after hard reset mobile should stay rooted. Any help would be much appreciated.
Br
Zish

zishhaider said:
Hi, so I was trying to get full root not only system less root on j730gm and what i followed here to rooted mobile witj twrp first(boot.img patched), then after that full unroot (keep boot.img patched) and in twrp gave command and install super su zip again and this time logs clearly showed system method while rooting, after all that I am getting bootloop. Mobile is hang on samsung logo, tried reset with twrp and official recovery both. Can some one tell me where i did mistake or where is the problem. My only requirement is to root this mobile and make super user app as system app. Even after hard reset mobile should stay rooted. Any help would be much appreciated.
Br
Zish
Click to expand...
Click to collapse
I don't understand your goal?
Systemless root IS full root. Your terminology is incorrect.
SuperSU doesn't really support system root on Android 7.
I also dont see the point of making SuperSU a system app. Even though its rather pointless if that is all you require for whatever strange reason then you can just move the Supersu app to the system partition.
There is a better way to stay rooted after a hard reset and it's called FRP.

First there is nothing strange in stay rooted after hard reset, trust me. My friend use this mobile. He needs root for lucky patcher. When first he came to me I rooted it via twrp and after couple of days he came back with custom binary block option and plus he doesn't remember newly created gmail id pass. For me it was hell of a job. So i decided to root it permanently. I am not an expert though but my point was to take full root instead of systemless root. Thanks for clearing that 7.0 isn't supported for full system root. I saw here a rom stock dexoded and pre rooted. Is it better option to install it rather than stock rom?

See this link, i was trying to do the same
https://android.stackexchange.com/q...om-systemless-root-to-system-traditional-root

zishhaider said:
See this link, i was trying to do the same
https://android.stackexchange.com/q...om-systemless-root-to-system-traditional-root
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Click to collapse
Like I already stated Factory Reset Protection (FRP) is already built in to SuperSU.
Just do the following in a terminal then re-install SuperSU:
echo "FRP=true">>/data/. supersu
.