TE MF190U 1 CREDIT GOT DEDUCTED BUT UNLOCK ERROR

[Ricky great]

User: 0132368B
User credits: 5
9/29/2014 11:50:01 AM Starting to write device...
Process: Normal Update
Verifying port mode: Port COM281
Validating file...
File to write: H:\MODEM UNLOCK\MF 190U UNLOCK\128K_BD_AIRTELMF190UTLF3V1.0.0B01.dgtk
File version: BD_AIRTELMF190UTLF3V1.0.0B01
Looking for attached port...
Device found
Start prepare
Changing modem to download mode...

Device DISCONNECT detected
Type: USB Composite Device
VidPid: Vid_19d2&Pid_1254
Instance id: MF1900ZTED010000

Device CONNECT detected
Type: USB Composite Device
VidPid: Vid_19d2&Pid_0016
Instance id: 6&944c330&0&1
Searching ports in diagnostic mode by VID_19D2
Reading settings...
Changing modem to download mode...

Device DISCONNECT detected
Type: USB Composite Device
VidPid: Vid_19d2&Pid_0016
Instance id: 6&944c330&0&1

Device CONNECT detected
Type: USB Composite Device
VidPid: Vid_19d2&Pid_0016
Instance id: 6&944c330&0&1
Searching ports in download mode by VID_19D2
Device found
Device in download mode
Preparing to write...
Error preparing to write
Detecting modem mode...
Modem in download mode
Searching ports in diagnostic mode by VID_19D2
9/29/2014 11:52:22 AM Writing device finished with ERROR

Only 1 modem, selected to get information

Getting information from the device...OK

Model: MF190U
Application port: COM284
Diagnostic port: COM282
IMEI: 911246700708933
Firmware Version: BD_AIRTELMF190UTLF3V1.0.0B01
Build Date: Oct 26 201223:00:34

User: 0132368B
User credits: 4

[Valdemaras]

This happened because you've flashed modem with firmware that is already in modem. See this guide for correct unlock process of MF190U - https://www.dc-unlocker.com/zte-mf190u-unlock-solution