answer: GPG Dragon Successfully Unlocked / Repaired / Flashed Phones !!!
Initializing...
DA_LIB_VER_2.4.4.9
It is sensing the pinout fast,please hold on the phone Power key
RXD=19 TXD=22
Connecting...Please hold on the POWER key until the red gauge is going...
BB:6225, HardwareVer:8A05, SoftwareVer:8A00
Loading boot...
INT_SYSRAM_BOOT test completed.
Loading boot...
Boot2 test completed.
Nor Flash ID: 00EC257E25082501
Nand Flash ID: 0000000000000000
Read Hardware Information is done.
Get Project ID from phone...
Project ID: H9_128X64_V1.16
Changing baudrate to 921600...
Done.
Reading full Flash...
All Done.
NX-T910 FORMATT
Initializing...
DA_LIB_VER_2.4.4.9
It is sensing the pinout fast,please hold on the phone Power key
RXD=19 TXD=22
Connecting...Please hold on the POWER key until the red gauge is going...
BB:6225, HardwareVer:8A05, SoftwareVer:8A00
Loading boot...
INT_SYSRAM_BOOT test completed.
Loading boot...
Boot2 test completed.
Nor Flash ID: 00EC257E25082501
Nand Flash ID: 0000000000000000
Read Hardware Information is done.
Get Project ID from phone...
Project ID: H9_128X64_V1.16
Changing baudrate to 921600...
Done.
Formating Flash...
AutoFormat address: start=0x00E00000, size=0x00200000
All Done