Update History:

1.0.2	Release Version

1.1.4	Fixed a problem with tempo not working when playing MP3.
	Fixed a problem that might not boot up during factory reset.
	Optimized the test of PCBA for flash in factory self-test mode.
	Fixed a problem that might start a song automatically when playing.
	Optimized the triggers function.
1.1.5	Fixed a problem with not working display