Display sends data to arduino like this.
ex>
0x65 0x02 0x04 0x00 0xff 0xff 0xff
It sends component ID. 0x02 in 2nd means page number. 0x04 in 3rd means object ID. 0x00 in 4th means touch event(release).
ex2>
0x70 f i l e n a m e 0xff 0xff 0xff
It sends char type data next of first 0x70 byte.