The Amazon Fire HDX 8.9 ships with Fire OS 4 and is marketed at non-casual home users end enterprise users, with its high performance and hardware based full device encryption. Encryption provides additional security in case your device is lost or stolen to protect sensitive data. It received its last Fire OS 4 update to version 126.96.36.199 in January 2016.
I bought a HDX 8.9 32GB and a HDX 8.9 64GB in November 2015. Until February 2016, I would have given them 5-star reviews. At this time an update to Fire OS 5 became available. This removes support for full device encryption. Amazon suggest not updating the device. However, tablets and smart phones are pocket computers, and need to be regularly updated like PC's and laptops to avoid security vulnerabilities.
Phones and tablets contain a lot of personal information. Since devices can get lost or stolen, and easily get into the hands of criminals, not encrypting a device can put you at risk of identity theft. Online accounts can after all, be reset with access to your email credentials. Enterprise users such as businesses and organisations, who hold sensitive information are at even more risk.
Now I know that lower end devices can take huge performance hits with full device encryption enabled, and Amazon's latest tablets are budget devices. But is it not unreasonable of Amazon to remove the option of it - you don't have to use it. After all, all Android devices I have bought in the last few years have this option.
I now have four options:
1. Stay on Fire OS 4, and risk being screwed by the next Android security vulnerability.
2. Upgrade to Fire OS 5, and risk being screwed if my device is lost or stolen.
3. Buy another device.
4. Install a custom firmware.
None of which are desirable.
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