– This is the #1 solution. It doesn't install a custom ROM but removes Amazon ads, disables OTA updates, installs Google Play Store, changes the launcher, and removes bloatware. This makes the Fire OS feel like near-stock Android.
Installing a custom ROM on the Amazon Fire HD 8 (10th Generation) requires some technical expertise, but it's doable with the right guidance. Here's a step-by-step guide: amazon fire hd 8 10th generation custom rom top
If you possess an or older model, full custom ROMs are available on XDA Developers : – This is the #1 solution
As of April 2026, there is for the Amazon Fire HD 8 (10th Generation, 2020). Without an unlocked bootloader, you cannot install a full custom ROM like LineageOS. Installing a custom ROM on the Amazon Fire
Now that TWRP is installed, you can install the custom ROM on your Fire HD 8.