【AGPTEK】X15/X15ST Firmware Upgrade

1. Attention! Please check the version number before updating with this firmware!(Find the version number in Settings -> Information -> Information in your X15ST player). You can use this firmware only under the following circumstance: if the series number is AG-X15ST-time-V1.3(time is based on Dec 1st, 2018). If your version date is later than Dec 1st, 2018(eg.20181202), please update with this firmware.
2. Optimized these problem: the player is crashed, stuck or unable to power on.
3. Updated on Dec 28th, 2018