root for Archos 101,70,43,32,28 z4root.apk


EDIT: This method works on Archos 2.0.54 Froyo update, but seems uneffective on Update 2.0.71. For latest firmware solution, please check the new Method: Archangel

Thanks to our good friends at xda-developers and we now have temporary root solution on Archos Gen8 Tablets with the help of z4root program.

This procedure has been tested with success on Archos 70 IT and Archos 101 IT (both running Android 2.1-update 1, Archos firmware version 1.0.84 and Froyo 2.2 firmware). The application uses « CVE-2010-EASY Android local root exploit » by 743C, it works fine on Archos Gen8 tablets but provides only a temporary root, the root access disapears after a reboot.

The application is available on (registration required)
Or here z4root.1.3.0.apk
MD5 checksum for z4root.1.3.0.apk: 46965bd41dac0e4988515aa2f9f95b19
Beware of the z4root listed on Google Market, it is rumored to be a malware (not verified)

After installing the application, select « Temporary Root », you may need to check and uncheck the « USB debugging » checkbox a few times in Android settings, then get back to z4root. You will finally be able to benefit root access until next reboot.

Tested successfully with Titanium backup and SetCPU.

Proof of rooting, see the screenshots below:

Please understand that standard disclaimers apply, use this application at your own risks, use it if you really need it and you know what you are doing. We should not be held responsible if anything goes wrong with your hardware.

Side note:


  1. Which is better for my Archos 28. Archangel-one click root for Archos 101,70,43,32,28 or the the z4root.apk ? I have Archangel now and it put Superuser with it . I still do not know what to do with this or what it is for , can you send me some info . so I can learn how to use this . I like to see how much I can learn from all new tech stuff . They did not have this kind of tech when I was a kid . please email some info on how do use this  » Please « 

    • Sid,
      This method uses z4root and is valid for Eclair and early Froyo systems. Later system updates on Froyo has fixed the security hole and prevent this exploit to work.
      It may work on your wildfire if the system is supported by z4root exploit.

  2. There is an easy fix to temp rooting problem. The new 2.0.71 temp does not work. However, if you have upgraded your firmware from 2.0.54 to 2.0.71 then simply downgrade! =D….How you ask?!…EASY..

    1. First you have yo download the old 2.0.54 firmware from here:

    2. Click or maybe copy and paste the above link into your (pc/mac) internet browser and then click on « Download from source site »

    3. Once you have downloaded the old firmware, keep it on your desktop, you will need it later.

    4.Now connect your Archos 70 (may work with Archos 101, but have not tested, I have Archos 70) to your computer via USB and then back up the contents of the tablet on a folder on your desktop. (VITAL YOU DO THIS)

    5. Now turn off your Archos 70 tablet (power off) until it has completely shut down and then power it on again holding the power button AND volume down button to get into recovery mode.

    6. Once you are in recovery mode, go down by pressing the volume down button to « update firmware » and press the power button to select « update firmware ». It will check system partitions etc and then you have to connect your USB to the computer once again and now locate the old 2.0.54 firmware you downloaded before and drag it from your desktop to the Archos 70 root, not in any folder JUST IN THE TABLETS ROOT.

    7. Once you have done this and the firmware is on your tablets root, press the power button on your tablet to confirm update (« ok »), p.s make sure your tablet is connected to the mains (plugged in on charge).

    8. Finally the downgrade process begins and the tablet should reboot with all your apps, settings, media files, etc untouched but the firmware will now be « Froyo 2.2.1….2.0.54 »

    Now you can use Z4root to do temporary root on your device and still use flash player etc….p.s…temp root means that the root goes after reboot.

    However you can still use CPU boosting/overclocking apps to boost the CPU from 800mhz to 1000mhz!….Noticeable difference when playing flash movies and general use.

    2.0.71 update’s « overdrive » mode does not do much at all.

    ENJOY! =D!

    • Temp root is not available in ArcTools for the moment, it may be implemented soon.
      I don’t know about other possibilities regarding seing ad-hoc networks, I hope you can find something. don’t hesitate to come and share here your findings 😉

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