Last week I investigated a lot of days to solve the problem: (I'm sorry for not being able to post working links in this forum because I didn't write enough here. So you have to reconstruct my links yourself into your browser)
As omegadrive supposed you just have to exchange the su binary, give the right permissions and the Superuser App from the Playstore will immediately work.
The necessary USB drivers for the device are found here: http://yadi.sk/d/54lX5c2O386XU
They only work with Windows 7!
After starting the "adb shell" you can gain root permissions on the device by typing "su". The su distributed with the device in /system/xbin is not compatible with common superuser apks. So it has to be exchanged with the version 3.1.1 binary: http://downloads.androidsu.com/super...arm-signed.zip
Copy it to your /sdcard. Then continue with adb shell:
$ su # cd /system/xbin
# mount -o remount,rw -t rfs /dev/block/st19 /system
# mv su su-orig
# busybox cp /sdcard/su ./su
# chmod 6755 su
# mount -o remount,ro -t rfs /dev/block/st19 /system # exit $ exit
I finally made it! Here is a working CWM Recovery for the HANNspree HANNSpad SN1AT71 (HSG1279).
I didn't fully test it but the backup function works. Also mounting and unmounting partitions works as well as the adb shell which is very important if the device is bricked and doesn't boot anymore.
Before connecting to the device via adb shell it is necessary to mount the /system partition (menu "mounts and storage") because otherwise /system/bin/sh cannot be found by adb shell.
The CWM recovery by default stores it's backups on the external SD-Card. The benefit is that the backup can easily be plugged out and stored apart from the device. But the recovery is also able to restore backups from the internal sdcard. Those backups can be made online on a running android system by using apps like "Online Nandroid Backup" and "Nandroid Manager". The benefit is that it's not necessary to reboot the device before backing up and you can keep on working.
There is one problem when creating backups in CWM Recovery: The date/time of the backup is always set to 1st of January 1970 due to a missing backup battery in this device. Look here: http://tau.shadowchild.nl/attn1/?p=341. So if you want to make backups with accurate timestamps you would have to set the actual time of the device using adb shell: Start adb shell and enter:
/system/xbin/busybox date -s "YYYY-MM-DD hh:mm:ss"
To cut a long story short: Download the CWM-Recovery here: http://yadi.sk/d/ArprqzfFFWvy4 and flash it to your (rooted) device. How to do this:
- Copy the file cwm-recovery.ima to your internal sdcard.
- Either connect via adb shell and enter su
- or run a Terminal Emulator and enter su
- then enter Code:
cat /sdcard/cwm-recovery.ima > /dev/block/acta
Perhaps someone likes to create an update.zip from it?
Good news for germany: The rollout began tonight! I just got the update to Android 4.2.2!
Some people asked for the upgrade file to manually update from the recovery. Here it is: http://yadi.sk/d/igsBGsAjFpLsL
Edit (01/13/2014): Seems this update only works on devices with special G-Sensor hardware (KIONIX 3-axis Accelerometer).
@ig6677: There you will also find the META-INF you wanted.
For your information: After my update to Android 4.2.2 root has gone on my device! I expected this. All Apps that need root don't work anymore. I don't know what you did that root was still there after the update...
Furthermore in /system/xbin there is no su file anymore. Also my CWM Recovery has gone and was replaced by the Stock HANNspree recovery!
But whats new: If you connect to the device via adb shell you immediately have superuser rights! No su is needed for this anymore. So it's possible to restore the CWM Recovery using cat.
If you adb push the 3.1.1 su binary from your pc to the /sdcard on your device and after this execute my commands in the first posting of this thread the apps have su rights with superuser.apk again. But you will not be able to add new programs to the superuser app (if a new app requests superuser rights there is no popup). So this is no solution.
The Superuser App is not able to grant superuser rights on android systems > 4.1.1, but the App SuperSu is! So download the SuperSU ZIP from here: http://download.chainfire.eu/351/Sup...erSU-v1.65.zip
Then copy it to your sdcard and install it using the Recovery. Voila! Everything works again!
Another issue: The Huawei E1750 Surfstick is not detected anymore. On 4.1.1 it was no problem to surf using this stick. But I think this is one of the "great features" of the new android versions...
Here it is: The new version 126.96.36.199 of CWM Recovery for the HANNspree HANNSpad SN1AT71 (HSG1279)
Beside some minor bugfixes the main benefit of this release is that there are no more errors when trying to restore the .android_secure folder. So the "dirty" workaround to restore this folder is not necessary anymore.
The .android_secure folder is also automatically restored together with the data partition when selecting "data" from the "advanced restore" options.
Information on how to install you will find here: http://forum.xda-developers.com/show...&postcount=133
Just bought this tablet on Cybermonday for a really good price, but can't find a way to root it for the life of me...
Main problem has been I can't see it using ADB (v1.0.31), always list no devices even with the latest generic Google ADB driver, which shows fine on device manager.
Tablet comes with Android 4.1.1 and no extras, is just a plain version of android with Play market and ES File Explorer pre installed and have access to android stock recovery.
Also, just in case I start messing with the tablet, Any way I can backup the stock system just in case?
More info on the tablet...
Model name: SN1AT71
Hardware (According to CPU-Z): gs702a