Go to Settings > System > System Update > Local Update .
Firmware updates for these units are rarely pushed over-the-air (OTA). Instead, you must perform a manual flash using a physical USB drive. USB Drive Requirements xyauto 9212b firmware update
A: Possibly. A "soft brick" (where the unit fails to boot but is recognized by a PC) can sometimes be recovered using the SP Flash Tool method. A "hard brick" is much more difficult to recover from. Check the XDA Developers forum, particularly the [CLOSED] XYAUTO 9212B v7.3.8 firmware need thread, for assistance from the community. Go to Settings > System > System Update > Local Update