Standard factory firmware on these boards often lacks optimization, leading to thermal throttling and poor 4K playback. Updating to a better, more stable firmware can provide:
"Better" firmwares remove pre-installed malware, fake "4K test" apps, and Chinese bloatware. Many come pre-rooted with Magisk, allowing you to use Greenify or servicely to tame background processes. mxq rk3229 emcp v31 firmware better