# Firmware Update Instructions
## ELF-SR2
### Overview
| Item | Description |
| ------------------------ | ------------------------------------------------------------------------------------------------------------------------------- |
| Latest firmware version | 1.30.03 |
| How to check the version | Refer to [How to check the version](#how-to-check-the-version) section for details. |
| How to update | USB flash drive update. Refer to [How to update](#how-to-update) section for details. |
| Remarks | - The update takes about 15 minutes.
- In addition to updating the firmware, update the SDK to the version "2.4.0" or later. | ### Download From [Firmware](/Products/Developer-Spatial-Reality-display/manual/en-us/download/firmware/), download the update file to the desktop (recommended) or anywhere on your PC. ### How to update #### 1. Preparing a USB flash drive You must use your own USB flash drive for updates. - Prepare a USB flash drive that is formatted to FAT32. - Do not use a USB flash drive formatted to a format other than FAT32. - \*NTSF, exFAT, APFS, and Mac OS Extended formats cannot be used. - USB type: High-speed USB 2.0 - Capacity: Between 1 GB and 32 GB :::caution - Not guaranteed to work with all USB flash drives. - Not guaranteed to work with all USB flash drive adapters or USB Hubs. ::: #### 2. PC Operation ##### 2.1 Download the Update File From [Firmware](/Products/Developer-Spatial-Reality-display/manual/en-us/download/firmware/), download the update file to the desktop (recommended) or anywhere on your PC. ##### 2.2 Copy the file to the USB flash drive Copy the update file `srd_update.zip` to the root directory of the USB flash drive. :::note The root directory is the top-level directory of your USB memory. ::: :::caution - Only the update file should be inserted in the USB flash drive. - Copy the update file in zip format to the root directory without unzipping it. - If you copy the file to a directory other than the root directory, you cannot update it. - Do not change the update file name "srd_update.zip". ::: #### 3. Update Execution ##### 3.1 Connect the Spatial Reality Display to the PC with a cable - Connect the Spatial Reality Display to the PC with a USB cable. - Connect the Spatial Reality Display to the PC with an HDMI cable or Display Port cable. - Make sure that the PC is turned on. ##### 3.2 Turn on the Spatial Reality Display Press the MENU button to confirm that the menu is displayed, then proceed to 3.3. The menu display automatically turns off after approximately 10 seconds. :::caution - Proceed to 3.3 while the screen of the connected PC is displayed. - The update will fail if your PC and Spatial Reality Display are not connected using a USB cable. ::: ##### 3.3 Insert the USB flash drive containing the update file into the UPDATE connector of Spatial Reality Display The UPDATE connector is located on the right side of the rear face.  A few 10 seconds after inserting the USB flash drive, a screen message appears. ##### 3.4 Start the update by following the screen message When the message "Update?" is displayed, press the + button to start the update. While updating, the screen will turn black and the indicator next to the POWER button will flash in white.  Spatial Reality Display will restart automatically during an update. Wait until the update is complete. The update takes about 15 minutes. :::caution - If the USB flash drive is not recognized, check the following. - Make sure that the USB flash drive is formatted to FAT32. - Do not insert the USB flash drive until you are able to perform menu operations. - Do not perform any operation while the update is in progress. - Do not turn off Spatial Reality Display or the PC while the update is in progress. ::: ##### 3.5 Remove the USB flash drive after the update is complete When the update is complete, the flashing indicator will be lit in white. After the update is complete, remove the USB flash drive that was inserted into the UPDATE connector. ##### 3.6 Check the Firmware version After the update is complete, make sure that the version number the expected value. For details on how to check the version, refer to ["How to check the version".](#how-to-check-the-version) ### How to check the version #### A. How to check from Spatial Reality Display 1. Press the MENU button to display the menu. The item currently selected on the menu is shown at the bottom right of the screen. 2. Press the MENU button to select "Information" Each press of the MENU button changes the menu item. Press the MENU button until "Information" is displayed. 3. Press the + button to select "Software Version". When "Information" is displayed and the + button is pressed, the menu item switches as shown below. Model name -> Serial No. -> Software Version 4. Check the Version Check the current "Software Version" #### B. How to check from a connected PC In version 1.20.00 and later, you can check the firmware version in the Spatial Reality Display Settings app. Start the Spatial Reality Display Settings app and check the "Display" version below the "Connecter device." ### If an error occurs :::caution - If the update fails, make sure your PC and Spatial Reality Display are properly connected using a cable. - If the update fails even when your PC and Spatial Reality Display are properly connected using a cable, refer to the [troubleshooting page](../troubleshoot/#firmware-update-for-elf-sr2). ::: ## ELF-SR1 ### Download Firmware Updater 1. From [Firmware](/Products/Developer-Spatial-Reality-display/manual/en-us/download/firmware/), download the Firmware Updater. 2. Extract the ZIP archive file when downloading is finished. ### Preparation before updating 1. Connect the Spatial Reality Display to your PC with an HDMI cable and a USB cable. 2. Plug in the power cable of the Spatial Reality Display and turn it on. :::caution DO NOT disconnect the cable or turn off the power during the update. The update will fail and in some cases Spatial Reality Display will not start. ::: ### Launching Firmware Updater 1. Launch srd-display-fw-updater.exe in the extracted folder. 2. Then, the following window will be displayed.  3. "Update" button is enabled if the Spatial Reality Display can be updated. :::note If the "Update" button is not enabled, the firmware of the Spatial Reality Display is up to date. No update needed. ::: 4. Click the "Update" button and the following dialog will be displayed. Then click the "OK" button to start the update.  5. The progress will be displayed during the update.  6. When the update is complete, the following dialog will be displayed.  7. Turn off the Spatial Reality Display and then turn it on again. The update is complete. ### Error Dialogs 1. Spatial Reality Display is not found. Check the cable connection and power supply.   2. The USB connection is not recognized correctly. Follow the steps shown.  3. The update did not complete successfully. Please try again. 
- In addition to updating the firmware, update the SDK to the version "2.4.0" or later. | ### Download From [Firmware](/Products/Developer-Spatial-Reality-display/manual/en-us/download/firmware/), download the update file to the desktop (recommended) or anywhere on your PC. ### How to update #### 1. Preparing a USB flash drive You must use your own USB flash drive for updates. - Prepare a USB flash drive that is formatted to FAT32. - Do not use a USB flash drive formatted to a format other than FAT32. - \*NTSF, exFAT, APFS, and Mac OS Extended formats cannot be used. - USB type: High-speed USB 2.0 - Capacity: Between 1 GB and 32 GB :::caution - Not guaranteed to work with all USB flash drives. - Not guaranteed to work with all USB flash drive adapters or USB Hubs. ::: #### 2. PC Operation ##### 2.1 Download the Update File From [Firmware](/Products/Developer-Spatial-Reality-display/manual/en-us/download/firmware/), download the update file to the desktop (recommended) or anywhere on your PC. ##### 2.2 Copy the file to the USB flash drive Copy the update file `srd_update.zip` to the root directory of the USB flash drive. :::note The root directory is the top-level directory of your USB memory. ::: :::caution - Only the update file should be inserted in the USB flash drive. - Copy the update file in zip format to the root directory without unzipping it. - If you copy the file to a directory other than the root directory, you cannot update it. - Do not change the update file name "srd_update.zip". ::: #### 3. Update Execution ##### 3.1 Connect the Spatial Reality Display to the PC with a cable - Connect the Spatial Reality Display to the PC with a USB cable. - Connect the Spatial Reality Display to the PC with an HDMI cable or Display Port cable. - Make sure that the PC is turned on. ##### 3.2 Turn on the Spatial Reality Display Press the MENU button to confirm that the menu is displayed, then proceed to 3.3. The menu display automatically turns off after approximately 10 seconds. :::caution - Proceed to 3.3 while the screen of the connected PC is displayed. - The update will fail if your PC and Spatial Reality Display are not connected using a USB cable. ::: ##### 3.3 Insert the USB flash drive containing the update file into the UPDATE connector of Spatial Reality Display The UPDATE connector is located on the right side of the rear face.  A few 10 seconds after inserting the USB flash drive, a screen message appears. ##### 3.4 Start the update by following the screen message When the message "Update?" is displayed, press the + button to start the update. While updating, the screen will turn black and the indicator next to the POWER button will flash in white.  Spatial Reality Display will restart automatically during an update. Wait until the update is complete. The update takes about 15 minutes. :::caution - If the USB flash drive is not recognized, check the following. - Make sure that the USB flash drive is formatted to FAT32. - Do not insert the USB flash drive until you are able to perform menu operations. - Do not perform any operation while the update is in progress. - Do not turn off Spatial Reality Display or the PC while the update is in progress. ::: ##### 3.5 Remove the USB flash drive after the update is complete When the update is complete, the flashing indicator will be lit in white. After the update is complete, remove the USB flash drive that was inserted into the UPDATE connector. ##### 3.6 Check the Firmware version After the update is complete, make sure that the version number the expected value. For details on how to check the version, refer to ["How to check the version".](#how-to-check-the-version) ### How to check the version #### A. How to check from Spatial Reality Display 1. Press the MENU button to display the menu. The item currently selected on the menu is shown at the bottom right of the screen. 2. Press the MENU button to select "Information" Each press of the MENU button changes the menu item. Press the MENU button until "Information" is displayed. 3. Press the + button to select "Software Version". When "Information" is displayed and the + button is pressed, the menu item switches as shown below. Model name -> Serial No. -> Software Version 4. Check the Version Check the current "Software Version" #### B. How to check from a connected PC In version 1.20.00 and later, you can check the firmware version in the Spatial Reality Display Settings app. Start the Spatial Reality Display Settings app and check the "Display" version below the "Connecter device." ### If an error occurs :::caution - If the update fails, make sure your PC and Spatial Reality Display are properly connected using a cable. - If the update fails even when your PC and Spatial Reality Display are properly connected using a cable, refer to the [troubleshooting page](../troubleshoot/#firmware-update-for-elf-sr2). ::: ## ELF-SR1 ### Download Firmware Updater 1. From [Firmware](/Products/Developer-Spatial-Reality-display/manual/en-us/download/firmware/), download the Firmware Updater. 2. Extract the ZIP archive file when downloading is finished. ### Preparation before updating 1. Connect the Spatial Reality Display to your PC with an HDMI cable and a USB cable. 2. Plug in the power cable of the Spatial Reality Display and turn it on. :::caution DO NOT disconnect the cable or turn off the power during the update. The update will fail and in some cases Spatial Reality Display will not start. ::: ### Launching Firmware Updater 1. Launch srd-display-fw-updater.exe in the extracted folder. 2. Then, the following window will be displayed.  3. "Update" button is enabled if the Spatial Reality Display can be updated. :::note If the "Update" button is not enabled, the firmware of the Spatial Reality Display is up to date. No update needed. ::: 4. Click the "Update" button and the following dialog will be displayed. Then click the "OK" button to start the update.  5. The progress will be displayed during the update.  6. When the update is complete, the following dialog will be displayed.  7. Turn off the Spatial Reality Display and then turn it on again. The update is complete. ### Error Dialogs 1. Spatial Reality Display is not found. Check the cable connection and power supply.   2. The USB connection is not recognized correctly. Follow the steps shown.  3. The update did not complete successfully. Please try again. 