DUB-LX1 (C185-C432) Fix Sound + Network Problem

1- Flash board firmware from here

https://support.halabtech.com/index.php?a=downloads&b=file&id=458338

Via Octoplus or Via UMT then IDT Tool

2- After completion, turn on the device and make repairs for IMEI 1 and 2,
model and routing through HCU according to the table:

 

3- Download flash upgrade as directed

C185 from here

https://support.halabtech.com/index.php?a=downloads&b=file&id=158879

C432 from here

https://support.halabtech.com/index.php?a=downloads&b=file&id=593546

Then flash it via memory card

4- After turning on the device, we will notice the return of the imei and the
sound, but with a problem, there is no service,Here we go to the most important
step

5- Download the QCN+RFNV file

C185 from here

https://support.halabtech.com/index.php?a=downloads&b=file&id=593547

C432 from here

https://support.halabtech.com/index.php?a=downloads&b=file&id=593546

6- decompress, connect the device,
open the HCU, and write the RFNV file

In the box shown in the image:

(Do not restart the phone)

7- Open the UMT GSM interface and type QCN in the QC Universal box

(Note: Select the DB Adabter com in the com checkbox)

8- close the UMT interface,Then return to the HCU interface, press the
right mouse button on the right side of the interface to deselect the option
shown in the image.And only repeat the imei repair process

 

Done. File Link