err flash modem hawaei B310s-927

[MEDsatDZ]

hi
my modem is unlock but i try error flash
User: MEDsatDZ
User credits: 7
24/02/2016 18:43:23 Starting to write device...
Validating file...
File to write: C:\Users\MED\Desktop\New folder (18)\Huawei_B310_927_Firmware_21.300.01.00.00_gene ral_SIGNED.dgtks
File version: 21.300.01.00.00
Looking for attached port...
Attached port found: COM21
Changing device to download mode...

USB Device REMOVAL
Type: @oem15.inf,%busfilter.devicedesc%;USB Composite Device
VidPid: VID_12D1&PID_1506
Instance id: 6&2d8afa06&0&3

USB Device INSERTION
Type: @usb.inf,%usb\composite.devicedesc%;Périphérique USB composite
VidPid: VID_12D1&PID_1C05
Instance id: 6&2d8afa06&0&3
Device has signed firmware
Device found
Preparing to write...
Device Product: HUAWEI BV7R11C
Writing file 1 of 11...
Error downloading file 1 of 11
Error writing software
24/02/2016 18:44:58 Writing device finished with ERROR

evry time seems message error
thy haven't any solution in forum

[MEDsatDZ]

pleasre if you can refund all credits please

[Vincentas]

pleasre if you can refund all credits please

Refund done after you contacted by e-mail.