End on Boot info only Help please

I just receive your Dongle today from Hk but whenever i try to do any job in Spd mode its End on Boot info only
Can any one help me what is the reason

Action : Read Pattern Lock
Boot : SC7731/7730-EMMC
Warning: if any interrupt during this operation, the phone maybe cant boot because it will always set in download mode, just run "Read info" to reset it
Tips:
1.Remove Battery, Insert usb cable, Insert battery
2.power off Phone, Remove & Reinsert Battery , insert USB Cable
(In Case Some Phone Required to hold bootkey)
Waiting for Phone Usb....
Phone found : SPRD U2S Diag (COM29)
Connecting...
Bootstrap: SPRD3
Connected done.
sending 1st boot...
waiting for ack...
1st boot done.
Sending 2nd boot...
2nd boot done.
Checking H/W report info...

Waiting for boot patch ack...
Done, neo is online, everything under control now !

CHIP : SC7731/0
CPU ID : 8730B000
EMMC ID : 90014A483447326111
EMMC Size: 4GB, usable capacity: 4.00GB
EMMC Name: eMMC_Hynix_H4G2a
Boot Information completed.

https://imgur.com/a/sQlac