Thanks to surghikov for the detail and nice tutorial.....
In any HEX editor on PC (or in X-plore on your phone), you must edit the file
digitalclock.o0000.
To edit on the phone, file path: С:\Private\200159c0\themes\536999050\270513751\537086110\1.0\sources\0\
To edit into the firmware, file path: rofs2:\private\200159c0\install\digitalclock_2003489e\xuikon\00\
To move the digits of clock (hours & minutes) on the vertical, in the strings
850 and
960 replace the value of
31 To change the font size of hours & minutes, in the strings
7F0 and
910 replace the value
54 To move the date on the horizontal, in the string
A50 replace the value
67 To move the date on the vertical, in the string
A60 replace the value
57 To change the font size of date in the string
A20 replace the value
32