qube b3 stock rom

qube b3
CPU: MT6589(6583) SW:0001 Ver: CA01
Downloading Boot8 …
EMMC Size: 0x00E9000000
Flash Type: EMMC
INT/EXT RAM Size: 0x0+0x0
Formatting Nand Flash…
Format Satrt Addr£º0x3F580000, Size: 0x3F000000

hanging on logo help