How-to Update Firmware for Shimano Di2 Shifter & Other Components

Updating the firmware on the newest 12-speed Shimano Di2 is a more complicated process than in the past. I’ll give you a quick rundown on all the different methods available to update firmware for past and present 11-speed and 12-speed Shimano Di2 drivetrains, including GRX, Ultegra, Dura-Ace and 105. Plus, I’ll demonstrate the firmware update process on my bike using my preferred method for Shimano 12-speed Dura Ace Di2.

00:00 Outtake
00:20 Intro
01:09 Importance of Firmware Updates
02:14 Firmware Updates Get Complicated
04:50 Firmware Update Methods
07:41 How to Update Di2 Firmware

Music Credits:

Bikes by Mike Intro Scene
“5 Cents Back” by Jason Shaw on AudionautiX: https://audionautix.com/
Free to use as per Creative Commons Attribution 4.0 International License: https://creativecommons.org/licenses/...
Music unaltered

Sound Effects Credits:

Bikes by Mike First Intro Glitch
“Audio Cable Connector Noise, Glitch 3” by https://zapsplat.com
Free to use when crediting creator

Fast Forward Effect on First Clip
“390145__cuddlenucks__glitchy-tape.wav” by CuddleNucks at freesound.org
Licensed under CC0 1.0 (https://creativecommons.org/publicdom...)
Unmodified/original version

Bikes by Mike Intro Theme Song for Bouncing Wheel
“Tennis Ball Hits the Ground 01” by Sound Effects +
Standard License, Finnolia Productions Inc. House and Office, Sound Effect SFX 41802465

Bikes by Mike Intro Theme Song for Rolling Wheel
“Fishing Reel Fast” by Sound Effects +
Standard License, Finnolia Productions Inc. House and Office, Sound Effect SFX 41498102

Images Credit:

iPhone Overlay/Mask
"New iphone x png hd phone model" by transparentpng.com is free to use as per Creative Commons Attribution 4.0 International License: https://www.transparentpng.com/cats/i...
Image unaltered