: Custom firmware often includes better "throttling" logic to keep your H3 chip from overheating. specifically on an
Upstream kernel and U-Boot support for Allwinner devices has improved over time, reducing dependence on vendor images. Continued community effort is focused on: Allwinner H3 Firmware
The most popular choice for H3 boards, providing stable Debian and Ubuntu-based environments. LibreELEC/CoreELEC: Focused on media center capabilities. Custom ROMs: While mainstream mobile ROMs like : Custom firmware often includes better "throttling" logic