Huawei E5573s-606 is possible to with test point?

[akskbn]

Airtel India Huawei E5573s-606 many times unlock with dc unlocker now this time new version.

I am trying to flash with Hisillicon firmware writter for downgrade but unable to flash getting download error 1 fo 10

Is possible to flash downgrade version with test point with download port if possbile please upload test point pic




Only 1 modem, selected to get information

Getting information from the device...OK

Diagnostic port: COM24
DL Ver:2.0
DL Info:
swver:21.315.01.00.284
isover:WEBUI_17.100.14.00.284_MRE5
webuiver:WEBUI_17.100.14.00.284_MRE5
product name:BV7R11EU
dload type:1
Authority Id:123456789123456,0
Authority Ver:1000


User: 01323F98
User credits: 4
11/18/2016 5:36:52 PM Starting to write device...
Validating file...
File to write: C:\Users\GlobalLink\Desktop\Huawei_E5573_606_Firmw are_21.110.99.03.00_SIGNED.dgtks
File version: 21.110.99.03.00
Looking for attached port...
Device has signed firmware
Device found
Preparing to write...
Device Product: HUAWEI BV7R11EU
Writing file 1 of 10...
Error downloading file 1 of 10
Error writing software

USB Device INSERTION
Type: @usb.inf,%usb\composite.devicedesc%;USB Composite Device
VidPid: VID_12D1&PID_14DB
Instance id: 5&1140a153&0&1
11/18/2016 5:37:18 PM Writing device finished with ERROR

[Valdemaras]

Not supported for unlock by DC-unlocker.

[akskbn]

Not supported for unlock by DC-unlocker.

Please update this version.