Thread: Firmware Update Kindle adds Page Numbers (and more)
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Old 02-09-2011, 08:58 AM   #120
Tiersten
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Posts: 987
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Join Date: Aug 2010
Device: Kindle 3G+WiFi
Quote:
Originally Posted by Sir Alex View Post
I have small workaround to stay hacked in 3.1 firmware:
Before upgrade:
1. Install Jailbreak
2. Install usbNetwork
3. Upgrade to 3.1 firmware
4. Backup original file /etc/uks/pubprodkey01.pem
5. Rename pubhackkey01.pem to pubprodkey01.pem
That's all. Now you can install/uninstall any hacks (except Amazon's firmware, to install it you must revert original.pem file)
Just a warning to others. Its not a good idea doing this unless you know exactly what you're doing and understand the risks involved. If you kill the Kindle from the command line then it will require servicing or replacement by Amazon as we're currently unable to restore a broken root fs for a K3. If you do know what you're doing then this works but for general users or anybody not confident with command line UNIX commands, don't do this and its why its not been recommended.

Its also still possible that an OTA update will arrive with the 2nd key even though its a backup key from what I can tell and not used so far.
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