Posted by johnlgalt -
This was already posted elsewhere b/c it is how I rooted my JB 4 days ago. I think it was Praetorian or jrotsky who posted it.
I tried the same method with trying to revert 220.127.116.11 to 18.104.22.168 but that is a no go - only 10.4.4.16 will revert to 22.214.171.124
I tried to downgrade with the steps from first post but wasn't successfull with the latest firmware version .23
There is a simple way to downgrade anyway.
1. copy the firmware to the root folder of your internal memory
2. don't rename it, just leave the original name (for example "WW_epad-user-126.96.36.199.zip")
3. reboot your device
4. you find a message for downgrading your firmware in the notification drawer
I just don't get it right. The Downgrade works but for me it is not possible to keep root after upgrading to jb.
I took the "WW_epad_user_9_4_5_30_20120907_UpdateLauncher.zip " and put it on my microSD. Renamed it to "EP201_768_SDUPDATE.zip" and went into recovery. The downgrade process started und I was able to root the TF700 with the "RootDebugfs.bat" method.
After that I installed the SuperSU app, started it and made the recommended update. I even marked the checkbox ota survival in the superuser app. Aftewards I loaded and installed the Voodoo OTA root keeper and said "protect root".
All checkboxes were marked and I hit the button temp unroot.
Now I tried to start an OTA Update but it always said that there are no updates available. I cleared DMclient and CMclient data + force close but no change.
So I took the "WW_epaduser_VER104425UpdateLauncher.zip" Update and updated it to jb again with renaming to "EP201_768_SDUPDATE.zip".
Recovery started. The update goes well but the OTA rootkeeper app is not able to restore root. -> No backup of su-binary available...
What am I doing wrong?!
Unlocking doesn't work either. Problem with internet connection, please try again later. Whats wrong with this tab?!
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