ELMO L-12W Updating Points
- USB Audio Class (UAC) for Windows
Please note that all settings will return to factory preset after this firmware update.

- The procedure of this firmware (FW) update varies by serial number of unit.
- Please carefully check the serial number of your L12W and go to right procedure.
- The serial number (SN) is printed on the bottom of unit.
Serial Number | Procedure | |||
SN: 4217248 ~ | A | |||
SN: 4200001 ~ 4217247 | B |

Firmware Update Procedure A SN: 4217248 ~
-
Preparation for Firmware Update - A
- Please prepare a SD card.
- Please download ZIP file named “VLIA_2034.zip” from ELMO Europe Website (click on the File-Name)
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Procedure - A
- Please make sure that this procedure-A is right one for the serial number of your L12W.
- Please copy the ZIP file (VLIA_2034.zip) to the root directory of your SD card.
- Please power on your L12W.
- Once you see the home screen, please insert the SD.
- It will automatically start to re-write the firmware.
- POWER LED will start blinking in Red to initiate the process and once the re-writing starts, the color of LED will turn from Red to Purple (or Red/Blue) blinking.
- The color of LED will return to Red to finalize re-writing, and then it will stop blinking and stay in Red to finish. (Re-writing process will take about 3 min.)
- Please power on your L12W again.
- Please go to setting menu and check if “production version” has been changed to “VLFA_2034”.
-
Final Step - A
- Please go to setting menu and click “System Setting”
- Then, please click “Backup & reset”
- Then, please click “Factory data reset”
- Then, please click “RESET VISUAL PRESENTER”
- Please click “ERASE EVERYTHING”.
- Please re-start your L12W and select your region, that ends whole steps of this firmware update.
- Please go to setting menu and click “System Setting”
Firmware Update Procedure B SN: 4200001 ~ 4217247
-
Preparation for Firmware Update - B
- Please prepare a SD card.
- Please download ZIP file named “VLIA_2034.zip” and APK file named “L12WFWUpdateTool.apk” from ELMO Europe Websitefrom ELMO Europe Website (click on the File-Names)
- Please copy “VLIA_2034.zip” to the root directory of your SD card.
- Please copy “L12WFWUpdateTool.apk” to the root directory of your USB memory.
-
Install APK File - B
- Please power on and go to Home Screen by pressing MENU key.
- Please plug the USB memory into L12W.
- Please go to “File Manager” to find the APK file.
- Please click the APK file.
- Message for security will come up. Please select “SETTING”.
- You will be automatically transferred to the setting of Security.
- Please turn ON “Unknown sources” to proceed.
- Another message will come up. Please select “OK”.
- You will automatically return to File Manager.
- Please click the APK file.
- You will see the message “Do you want to install this application?”
- When you see “App installed”, please select DONE.
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Procedure - B
- Please go back to Home Screen and you can find “L12WFWUpdateTool” on there.
- Please click “L12WFWUpdateTool” to launch the update.
- Please press OK, no matter of what version is shown on this screen.
- Please go back to Home Screen.
- Now please insert the SD card.
- It will automatically start to re-write the firmware.
- POWER LED will start blinking in Red to initiate the process and once the re-writing starts, the color of LED will turn from Red to Purple (or Red/Blue) blinking.
- The color of LED will return to Red to finalize re-writing, and then it will stop blinking and stay in Red to finish. (Re-writing process will take about 3 min.)
- Please go back to Home Screen and you can find “L12WFWUpdateTool” on there.
-
Uninstall APK File - B
- Please go back to Home Screen and you can find “L12WFWUpdateTool” on there.
- Please click “L12WFWUpdateTool” to launch the update again.
- Once update is done, please confirm the version “VLIA_2034”, shown on this screen. Then, please press OK.
- A message “Do you want to uninstall this app?” will come up. Please press OK.
- Please go back to Home Screen and you can find “L12WFWUpdateTool” on there.
-
Final Step - B
- Please go to setting menu and click “System Setting”
- Then, please click “Backup & reset”
- Then, please click “Factory data reset”
- Then, please click “RESET VISUAL PRESENTER”
- Please click “ERASE EVERYTHING”.
- Please re-start your L12W and select your region, that ends whole steps of this firmware update.
- Please go to setting menu and click “System Setting”