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One Click Root with z4root

z4root is a one click solution to root and un-root your device. However, it does not work for NAND locked devices.

Supported Devices
Dell Streak
Garmin-Asus A50
HTC Dream
HTC Hero
Huawei Ascend (Cricket Wireless)
Huawei U8120
LG Ally
LG Optimus T
Motorola Backflip
Motorola Cliq
Motorola Defy
Motorola Droid
Motorola Droid 2
Motorola Droid X
Motorola Flipside
Motorola Milestone 2
Samsung Acclaim
Samsung Galaxy 3 I5800
Samsung Galaxy I5700 Spica
Samsung Galaxy S (All Variants)
Samsung Galaxy Tab
Sony Ericsson Xperia X10/X10 Mini/X10 Mini Pro
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http://droidbar.net/2010/11/one-click-root-with-z4root/
 
Z4ROOT was pulled from the market again some time yesterday.

See the dev's thread over on XDA: [APP] z4root - xda-developers

Download the file and put it on your SD card. Navigate to the file with a file manager like Astro and open the file. You may be asked in install an app from an unknown source, check the box. Install the app and run it.

It took two tries for me for root to take. First one got hung up, pulled the battery and ran it after the reboot. Took about 30 seconds.
 
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This is one term I haven't figured out yet. What does 'NAND locked' mean and why would it prevent unrooting?

I can't give an exact definition, but it has to do with the manufacturers, I believe most notably to date Motorola, configuring the hardware/firmware in such a way as to prevent modification by the end user. Such phones are ostensibly harder to root if they can be rooted at all. I expect we'll see more of this in the future.
 
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I can confirm that z4root works on the EVO version 3.30 BUT only with temporary root!!! You can have all the things that rooted users have except ROMS and ClockworkMod Recovery 2.5.0.1 .. So you might ask Why do I want this then ? Well with Temporary Root you get to Tether your Wireless for free hotspot use and to me that's all I really need anyway. Also you can remove the Sprint Bloat ware and make other changes to the OS but again no custom ROMS because you can’t load the ClockworkMod recovery. The version I’m using is 1.3.0 good luck
 
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Z4ROOT was pulled from the market again some time yesterday.

See the dev's thread over on XDA: [APP] z4root - xda-developers

Download the file and put it on your SD card. Navigate to the file with a file manager like Astro and open the file. You may be asked in install an app from an unknown source, check the box. Install the app and run it.

It took two tries for me for root to take. First one got hung up, pulled the battery and ran it after the reboot. Took about 30 seconds.

I had the same problem. I had the app before an update came out a few weeks ago and it loaded,rooted and unrooted easily. After update came out(just installed over previous one) when I tried the Rooting process it hung up completely but did reboot on battery removal but it wasn't Rooted. I uninstalled the app completely re installed new updated app and again it stalled at Reboot but this time after battery removal the phone was Rooted and doing fine. I have Galaxy S.
 
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