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--- t4_firmwareupgrade [2024/05/06 18:10] – [Preparing for the Upgrade] admin
+++ t4_firmwareupgrade [2024/12/27 19:39] (current) – [Complete the Upgrade] tony
@@ Line 1: / Line 1: @@
-=====Upgrading Twiddler 4 Firmware=====
+=====Upgrading Firmware - Twiddler 4=====
-Here are the steps to upgrade your firmware:
+Here are the steps to upgrade your Twiddler 4 firmware:
 ====Preparing for the Upgrade====
-  - Plug into USB.
+  - Identify which firmware you are running by opening a Notepad app on the host device and pressing [[t4_specialchords|T0F1R]] on the Twiddler. The firmware version will be shown after the "ver=". If you are running an earlier version of the firmware, proceed to the next steps.
-  - Identify which firmware you are running by opening a notepad on the host device and pressing [[t4_specialchords|T14F2R]] on the Twiddler. The firmware version will be shown after the "ver="
   - Download and unzip the latest firmware here: [[twiddler_firmware|Twiddler Firmware]]
-  - Plug the Twiddler into a computer via USB, mount the flash drive, and copy the Twiddler.bin file to it.
+  - Rename the bin file to Twiddler.bin
-  - Eject the flash drive using the Host devices Eject function.  It is critical that the .bin file is fully written to the drive so **gracefully ejecting the drive is critical.** If data is being written to flash and power is cut, there is a high risk of flash corruption which will render your Twiddler non-functional.
+  - Put the Twiddler to Sleep by pressing [[t4_specialchords|T023]]
 ====Begin the Upgrade====
-  - Enter [[T4_specialchords|Bootloader Mode]]. (T14 Touchpad Click)
+  - Enter [[T4_specialchords|Bootloader Mode]]. (T014 Touchpad Click)
+  - Plug the Twiddler 4 into USB.
+  - Copy Twiddler.bin to the Twiddler.
   - Unplug the USB Cable.
-  - Wait until programming is complete.
+  - Green light will be rapidly blinking while programming. Wait until programming is complete.
+====Complete the Upgrade====
+  - Confirm the new firmware is running by opening a notepad on the host device and pressing [[t4_specialchords|T0F1R]] on the Twiddler. The firmware version will be shown after the “ver=”.
+  - A quick troubleshooting tip, if you are getting a driver error on your host device after the upgrade,{{ https://tgimages.s3.amazonaws.com/twiddler/wiki/T4_BTDriverError.png }} press [[t4_specialchords|T14F4R]] to Erase Bluetooth Pairs. You will need to re-pair Bluetooth Hosts again.
+====Video: Upgrading your Twiddler 4 Firmware====
+{{ youtube>AVPWZsVdf9Q? }}

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