[.::worldsoft::.]

here is log



[Flashing BlackBerry 7.1]

Software info
SCM version: 7.1.0.1646
APP version: 7.1.0.523
Platform version: 5.1.0.393
Software OperatorID: 620
Phone Operator ID: 620 (MobiFone/Viettel/Brightstar Vietnam/Vinaphone/Smartcom)
Minimum files will be uploaded from the selected version with languages:
Arabic
English
English GB

Fetching upgrade files
Please wait, it is a long process ...

Downloading files
Parsing download list
1216 files will be downloaded

Switching to loader mode

Parsing SFI file

Updating meminfo
Updating meminfo
SFI1 addr: 0x181 - 0x47e
SFI2 addr: 0x4e7 - 0x5f2
APP addr: 0x5f3 - 0x200f

Deleting APP area (erasing all applications)

Flashing SFI1 (operating system)
Writing flash

Flashing SFI2 (OS auxiliary data)
Writing flash

Switching to SFI mode
This means that the phone is booting or booted: The blackberry logo and a loading bar is displayed on the screen
Phone must have battery in.
Waiting for the phone to restart
Could not open channel

may be it's hardware issue?