Just earlier today, we discussed the invulnerable, un-crackable, Kindle Fire HD7 (bootloader, anyway). We talked about how Amazon was trying their hardest to keep you purchasing one important thing for them: content. We also talked about how the device is very well protected at the bootloader level, which means that no custom ROMs will surface any time soon. Having said that, we just became aware thanks to a thread by XDA Elite Recognized Developer jcase that the Kindle Fire HD7 was finally free from its chains and successfully rooted. As it turns out, the exploit was nothing new, and in fact, it was a method developed by XDA Recognized Contributor sparkym3 for the Eee Transformer Prime.
A while back, sparkym3 found an exploit for ICS that allowed developers easily obtain root. However, shortly after it was published, Google patched up the exploit and it stopped working on more updated builds of ICS and above. Fast forward a few months, and we are sitting in front of an ICS-based device. As it turns out, it looks like the good people from Amazon did not exactly do their due diligence, and happened to miss a commit posted on AOSP that discussed and dealt with the hole found by sparkym3. When devs started looking for exploits and tried a few out, this one seemed to work. It was tried a few times over and confirmed that the invulnerable device indeed had an Achilles’ heel. All in all, the hole is present in the latest KF code. This prompted the dev to pick up the old exploit again and write an easy-to-use tool for this partuclar device.
The new app can be found under the name Qemu Automated Root, and using it is a simple ordeal. Y0u simply need to make sure that you have the correct drivers installed on your PC, which also happen to be provided in the thread. So, if this is what you were waiting for to make the jump to the HD 7 while laughing at Amazon’s misfortune, take it for a spin. If you truly need some hand holding to do this, XDA Forum Member reverendkjr has posted a video on how to root the device.
This tool will root your device based on my qemu local.prop root method.
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[Thanks to jcase for the tip!]_________