An entire wave of Android 4.0 is rolling out and Amazon Kindle Fire has taken its plunge into this wave. Yes it now time that Kindle Fire from Amazon tasted the flavor of ICS Android 4.0 version. This new update is also known as Android 4.0.3 Ice Cream Sandwich that is the latest from the house of ICS. However it is to be noted that this is not the official ICS version but is the beta leaked version. Keep in mind that there is no downgrade procedure to bounce back to the original or default firmware so be careful while applying this update.
We wont be responsible for any harm caused to your device during the rooting procedure that is unlikely to happen if you follow the instructions carefully. This rooting procedure is only applicable to Amazon Kindle Fire tablets that are not network locked so do not try it in any other devices as it may not be reversible and harm the device by blocking it.
It is better to backup all the data in your Kindle Fire so that in case any data is lost you can easily restore them. You can refer to the link posted below to backup and restore all your data easily.
Steps to Update Android 4.0.3 Firmware in Amazon Kindle Fire:
Step-1: Download ICS 4.0.3 Beta build from the Must Have section to your computer and connect your smartphone via original USB Cable obtained at purchase time. Now remove the connected USB Cable and power off your Kindle Fire to enter into Download mode.
Step-2: Power on your Kindle Fire normally and when you see a Yellow Triangle, press and hold the button till you boot into TWRP mode. In TWRP mode choose the options of Data factory reset, Wipe cache and Wipe Dalvik cache to clear all cache files.
Step-3: Tap on the option of “Install” to select the file placed in your Amazon Kindle Fire in the preliminary step. Next tap on “Flash” to flash this ICS firmware in your device. It will take about 10mins to apply this firmware in your device. After the updation process is complete, you will again land up in Recovery mode. Now choose “++++Go Back++++” then “Reboot system now” option to reboot the phone.
After the device reboots, you will be on ICS Android 4.0.3 firmware. Thus you can easily update the latest version of ICS Android 4.0.3 firmware in your Amazon Kindle Fire by following the steps mentioned above carefully.