and take a photo of your Kernel version and Build number. You match these to the firmware you download. Back Up First SP Flash Tool
The MTK 8227L chipset is an older, entry‑level platform. Its official firmware will get the job done for basic tasks, but it lacks modern security patches and performance. The community has done a solid job extending its life with Android 7‑based custom builds—just be prepared for occasional driver quirks and a careful flashing process. If you need a device that stays current with security updates, you may eventually consider upgrading to a newer hardware platform. mtk 8227l firmware link
You need a Windows PC, USB-A to USB-A cable, and . and take a photo of your Kernel version and Build number
There are two primary methods for updating these head units: Method A: USB/SD Card Update (Standard) This is the safest method for functional units. Junsun 8227L Android CarNavi firmware update Its official firmware will get the job done