p920 flashing error


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Platform: LG Infineon
Connection mode: OMAP
Selected model: P920
Opening "LG_P920_V30B.oct"…OK
Please, disconnect battery and connect P999 cable (with 910k resistor).
Initializing device…OK
Writing Firmware…
Connecting to modem CPU…OK
Sending preloader…OK
Sending loader…OK
Initializing flash…OK
Writing psi.fls…OK
Writing slb.fls…OK
Writing AENEAS_FW.fls…OK
Writing L6260_SIC.fls…OK
Writing L6260_SIC-CDS.fls…OK
Connecting to application CPU…OK
Writing gpt1…Failed!

whats problem