T'Eyes firmware file (instructions included) direct from SPD firmware server.http://plant1.oss-cn-guangzhou.aliyuncs.com/1111111_Software/%E5%B2%B1%E6%80%9D/G5986/G5986_294_Overseas_userdebug_11367.2202.20250425.110137-img.7zDespite T'Eyes claiming this unit supports OTA updates only, this is not correct. Place the spd.img file onto a USB (NTFS formatted) and insert into unit. Click update now when message appears on the screen. I do not take any responsibility if your unit is...Read more