S805 Firmware — Amlogic

Improperly installed TWRP or incompatible DTB (Device Tree Blob) files often cause devices to hang on the splash screen.

If you want, I can:

Before downloading random .img files from obscure forums, you must understand a hard truth: amlogic s805 firmware

If you want to go beyond stock Android, here are the two best alternatives: Improperly installed TWRP or incompatible DTB (Device Tree