LG G5 H830 firmware write failed [Answered]
 

--------------------------------------------------------------------------------
Checking data...OK
Platform: LG Qualcomm
Selected port: COM123
Selected model: H830
Reading info...
Model ID: LG-H830
IMEI: 000000-00-000000-0
Android version: 7.0
Battery level: 45%
SW Version: H83020a
Mode: Emergency
Initializing flash...OK
SW version: LGH830AT-00-V20a-TMO-US-NOV-07-2016-ARB01+0
Android version: 7.0
LAF Version: 1.1
Product ID: YE01S160331001332
IMEI: 356729-07-059541-2
Target operator: TMO
Hardware: rev_10
Writing phone firmware without real necessity is at your own risk.

Downgrade may lead to phone damage!

Please, make sure the phone's battery is fully charged.
Disconnect all other devices from the computer (including phones,
modems, etc.) and close all other running programs.
To avoid errors in the flashing process, use a clean PC (without any
installed drivers for other Qualcomm-based devices).
You should not run any other programs or attach new devices to your
computer during the flashing!
Opening "H830_V10d_00_0523.oct"...OK
Setting options...OK
Reading partitions...OK
Formating USERDATA...OK
Formating ENCRYPT...OK
Writing PrimaryGPT...Failed!
LAF Error: 80000121.
Please re-flash phone with the latest firmware from the support area.
Performed by 2.8.8 Software version.

Hello.

According to the Software log, You are trying to downgrade phone's firmware version from V20a to V10d, Downgrade may lead to phone damage!

I noticed that but thats the only firmware on the support site.
Kindly upload the latest version please

If we will manage to find v20 firmware, we will add it into Support Area.

i got a kdz file and converted it to oct format and flashed but ended up in write failed. any solution please?


--------------------------------------------------------------------------------
Checking data...OK
Platform: LG Qualcomm
Selected port: COM123
Selected model: H830
Reading info...
Model ID: LG-H830
IMEI: 000000-00-000000-0
Android version: 7.0
Battery level: 58%
SW Version: H83020a
Mode: Emergency
Initializing flash...OK
SW version: LGH830AT-00-V20a-TMO-US-NOV-07-2016-ARB01+0
Android version: 7.0
LAF Version: 1.1
Product ID: YE01S160331001332
IMEI: 356729-07-059541-2
Target operator: TMO
Hardware: rev_10
Writing phone firmware without real necessity is at your own risk.

Downgrade may lead to phone damage!

Please, make sure the phone's battery is fully charged.
Disconnect all other devices from the computer (including phones,
modems, etc.) and close all other running programs.
To avoid errors in the flashing process, use a clean PC (without any
installed drivers for other Qualcomm-based devices).
You should not run any other programs or attach new devices to your
computer during the flashing!
Opening "H83020m_00_1017.oct"...OK
Setting options...OK
Reading partitions...OK
Formating USERDATA...OK
Formating ENCRYPT...OK
Sending signature...OK
Writing PrimaryGPT...OK
Writing laf...Failed!
LAF Error: 00000000.
Write Firmware operation is currently not supported for your phone's
firmware.
Performed by 2.8.8 Software version.

Hello.

If your device still in Emergency Mode, then please download latest test Software version from the Support Area, after repeat Write Firmware operation