Problema Nv de Ace Vienna

Code:
Initializing...
DA_LIB_VER_3.6.0.0
Connecting...Please hold on the POWER key until the red gauge is going...
Any errors please select another boot and try again.
BB:6268,    HardwareVer:8B01,    SoftwareVer:8B01
Loading boot...
INT_SYSRAM_BOOT test completed.
Loading boot...
Boot2 test completed.
Nor Flash ID: 0000000000000000
Nand Flash ID: 009800B100900055
Read Hardware Information is done.
Get Project ID from phone...
Project ID: 550712_7562D_V0729
Changing baudrate to 921600...
Done.
Formatting Flash...
AutoFormat address: start=0x02000000, size=0x06000000
All Done