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Root How to root with CM12.1?

E

electric-sheep

Newbie
Hi all,

I need some help for I am stuck.

I read a bit about how to get CM12.1 on it. The phone is a i9505 and it came with Android 4.4.2 Stock image. Then I did the following.

1. I installed Kies and Odin and finaly applied cf autoroot
2. Then CWM Recovery
3. Factory reset, etc and CM12.1
4. Booted into CM12.1

Seemed to be a bit too easy...

I discovered that it de-rooted itself again. I tried a lot but to no avail.

-Philz Touch and re-root
-cf again
-towelroot
-kingroot as apk
-kingroot on windows
-mobilego
-superSU

It is always the same root failed, device not supported and so on. I'm running out of ideas. Or do I have to got back to stock image and recovery and start all over, if that's possible?

Thank you for help!

e-sheep
 
I installed TWRP. Seems to be better for newer ROMs.
Could it be, that after applying CF-root and a reboot (auto reboot in odin) the rooting gets lost?

e-sheep
 
Flashing a custom rom should not have caused you to loose root. What makes you think you no longer have root access? When you open SuperSu app,what happens? What does Root Checker app say?
 
Well, not flashing it but somehow booting it? I don't know. I suspect it could have something to do with going from 4.4.2 to 5.1. Btw, is it possible to root 5.1 now or not?
All the above measures failed and SU Root Checker says: "Root permision not granted or superuser app missing".
SuperSU (from chainfire) says: "There is no SU binary installed, and SuperSU cannot install it...."
 
Got it! Woohoo. Thank you, Jfalls!

What I did:
-Rebooted into recovery (twrp 2.8.6.0)
-Flashed SuperSU file

I might replace kingroot with SuperSU though.

I just didn't get that you do that CF-root first (which means rooting) and then you install a recovery and eventually CM and after that you end up being de-rooted. Neither the recovery nor CM would make it reverse and still no root. Strange, isn't it?

Can this be marked solved or something? It might help others.

e-sheep
 
Good job. If Kingroot left any garbage behind after trying it you should be able to uninstall it. Which SU is working? If Kinguser and not SuperSu check out Super-Sume in play store .

Read app description and as I was recently reminded pay attention to Kinguser version.
 
Cheers. In the end it is all easy ;)
For now I am happy as it is. Things I need root for are working, I'm just used to SuperSU that's all. Some stuff is a bit unstable or strange but that's due to the nightly CM12 I'm using.
 
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