Title: The Fountain of Youth: Installing Custom ROMs on the Amazon Fire HD 8 (10th Gen)
models. Installing a ROM meant for these older generations on your 10th Gen device will likely brick it beyond repair. Modding Guide: The "Onyx" Transformation amazon fire hd 8 10th generation custom rom
Since a custom ROM isn't an option, follow these steps to "de-Amazon" your 10th Gen tablet using the Fire Toolbox: Title: The Fountain of Youth: Installing Custom ROMs
Amazon's bootloaders are strictly locked with digital signatures. To install a ROM, developers must find a "bootrom" exploit (a flaw in the initial power-on code). While such flaws were found for the 2018 model (allowing for LineageOS 17.1), the 10th Gen (2020 the 10th Gen (2020