[YU Yureka Q&A, Help & Troubleshooting] remortr:
Process Index:0

Programmer Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

Image Search Path:C:\yu brick\8675_W00

Please select the XML file

Start Download

Program Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

COM Port number:6

Sahara Connecting ...

Download Fail:QC.QMSLPhone.PhoneException: Could not connect to the COMPORT

at QC.QMSLPhone.Phone.ConnectToServer_Sahara(UInt32 comPort, UInt64& version, Int32 mode, UInt64 timeout)

at QC.SwDownloadDLL.SwDownload.QPHONEMSSaharaDownloadArmPrg(UInt64& version, String armPrgPath)

Download Fail:Sahara FailValue cannot be null.

Parameter name: key

Finish Download

Start Download

Program Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

COM Port number:6

Sahara Connecting ...

Download Fail:QC.QMSLPhone.PhoneException: Could not connect to the COMPORT

at QC.QMSLPhone.Phone.ConnectToServer_Sahara(UInt32 comPort, UInt64& version, Int32 mode, UInt64 timeout)

at QC.SwDownloadDLL.SwDownload.QPHONEMSSaharaDownloadArmPrg(UInt64& version, String armPrgPath)

Download Fail:Sahara FailValue cannot be null.

Parameter name: key

Finish Download

Start Download

Program Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

COM Port number:6

Sahara Connecting ...

Download Fail:QC.QMSLPhone.PhoneException: Could not connect to the COMPORT

at QC.QMSLPhone.Phone.ConnectToServer_Sahara(UInt32 comPort, UInt64& version, Int32 mode, UInt64 timeout)

at QC.SwDownloadDLL.SwDownload.QPHONEMSSaharaDownloadArmPrg(UInt64& version, String armPrgPath)

Download Fail:Sahara FailValue cannot be null.

Parameter name: key

Finish Download

Start Download

Program Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

COM Port number:6

Sahara Connecting ...

Download Fail:QC.QMSLPhone.PhoneException: Could not connect to the COMPORT

at QC.QMSLPhone.Phone.ConnectToServer_Sahara(UInt32 comPort, UInt64& version, Int32 mode, UInt64 timeout)

at QC.SwDownloadDLL.SwDownload.QPHONEMSSaharaDownloadArmPrg(UInt64& version, String armPrgPath)

Download Fail:Sahara FailValue cannot be null.

Parameter name: key

Finish Download

Start Download

Program Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

COM Port number:6

Sahara Connecting ...

Download Fail:QC.QMSLPhone.PhoneException: Could not connect to the COMPORT

at QC.QMSLPhone.Phone.ConnectToServer_Sahara(UInt32 comPort, UInt64& version, Int32 mode, UInt64 timeout)

at QC.SwDownloadDLL.SwDownload.QPHONEMSSaharaDownloadArmPrg(UInt64& version, String armPrgPath)

Download Fail:Sahara FailValue cannot be null.

Parameter name: key

Finish Download

Start Download

Program Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

COM Port number:6

Sahara Connecting ...

Download Fail:QC.QMSLPhone.PhoneException: Could not connect to the COMPORT

at QC.QMSLPhone.Phone.ConnectToServer_Sahara(UInt32 comPort, UInt64& version, Int32 mode, UInt64 timeout)

at QC.SwDownloadDLL.SwDownload.QPHONEMSSaharaDownloadArmPrg(UInt64& version, String armPrgPath)

Download Fail:Sahara FailValue cannot be null.

Parameter name: key

Finish Download

Start Download

Program Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

COM Port number:6

Sahara Connecting ...

Download Fail:QC.QMSLPhone.PhoneException: Could not connect to the COMPORT

at QC.QMSLPhone.Phone.ConnectToServer_Sahara(UInt32 comPort, UInt64& version, Int32 mode, UInt64 timeout)

at QC.SwDownloadDLL.SwDownload.QPHONEMSSaharaDownloadArmPrg(UInt64& version, String armPrgPath)

Download Fail:Sahara FailValue cannot be null.

Parameter name: key

Finish Download

Start Download

Program Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

COM Port number:6

Sahara Connecting ...

Download Fail:QC.QMSLPhone.PhoneException: Could not connect to the COMPORT

at QC.QMSLPhone.Phone.ConnectToServer_Sahara(UInt32 comPort, UInt64& version, Int32 mode, UInt64 timeout)

at QC.SwDownloadDLL.SwDownload.QPHONEMSSaharaDownloadArmPrg(UInt64& version, String armPrgPath)

Download Fail:Sahara FailValue cannot be null.

Parameter name: key

Finish Download

Start Download

Program Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

COM Port number:6

Sahara Connecting ...

Download Fail:QC.QMSLPhone.PhoneException: Could not connect to the COMPORT

at QC.QMSLPhone.Phone.ConnectToServer_Sahara(UInt32 comPort, UInt64& version, Int32 mode, UInt64 timeout)

at QC.SwDownloadDLL.SwDownload.QPHONEMSSaharaDownloadArmPrg(UInt64& version, String armPrgPath)

Download Fail:Sahara FailValue cannot be null.

Parameter name: key

Finish Download

Start Download

Program Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

COM Port number:6

Sahara Connecting ...

Download Fail:QC.QMSLPhone.PhoneException: Could not connect to the COMPORT

at QC.QMSLPhone.Phone.ConnectToServer_Sahara(UInt32 comPort, UInt64& version, Int32 mode, UInt64 timeout)

at QC.SwDownloadDLL.SwDownload.QPHONEMSSaharaDownloadArmPrg(UInt64& version, String armPrgPath)

Download Fail:Sahara FailValue cannot be null.

Parameter name: key

Finish Download

Start Download

Program Path:C:\yu brick\8675_W00\prog_emmc_firehose_8936.mbn

COM Port number:6

Sahara Connecting ...

Download Fail:QC.QMSLPhone.PhoneException: Could not connect to the COMPORT

at QC.QMSLPhone.Phone.ConnectToServer_Sahara(UInt32 comPort, UInt64& version, Int32 mode, UInt64 timeout)

at QC.SwDownloadDLL.SwDownload.QPHONEMSSaharaDownloadArmPrg(UInt64& version, String armPrgPath)

Download Fail:Sahara FailValue cannot be null.

Parameter name: key

Finish Download

I am stuck at this some one help me