: While Joying uses different UIs, many of their units share the 8227L board. Their Official Update Blog
Don't crash. Don't lose power.
Many "Android 11" labels on these budget units are misleading; some low-end electronics may claim to be updatable but cannot actually support newer Android versions due to hardware limitations. Attempting to force an update past version 8227L—such as version 8301B—is generally discouraged unless officially instructed by support, as it often leads to black screens or broken Wi-Fi connectivity. Junsun 8227L Android CarNavi firmware update 8227l Android 11 Firmware Download