SoundStream Reserve WHDSG Firmware Update – Preloaded 8GB SanDisk USB Drive
This genuine 8GB SanDisk USB flash drive comes preloaded by Volunteer Audio with the latest July 2026 firmware update for the SoundStream Reserve WHD.SG head unit. The update files are already downloaded, extracted, and properly loaded onto the USB drive so it’s ready to use for your firmware update. IMPORTANT – THE SOFTWARE UPDATE IS FREE SoundStream provides this firmware update online FREE of charge. You do not need to purchase this USB drive to obtain the update. This product is offered strictly as a convenience service for customers who aren’t comfortable downloading firmware, extracting ZIP files, preparing a USB drive, or making sure the correct files are placed on the drive. Your purchase includes the 8GB SanDisk USB flash drive and Volunteer Audio’s preparation of the drive with the correct firmware files. July 2026 Firmware Update Improvements The latest WHD.SG firmware update: Updates Apple CarPlay & Android Auto protocols Adds custom handlebar programming Corrects SiriusXM equalization ⚠️ IMPORTANT COMPATIBILITY WARNING THIS UPDATE IS FOR THE SOUNDSTREAM WHD.SG INSTALLED IN 1998–2023 HARLEY-DAVIDSON STREET GLIDE & ULTRA MODELS ONLY. DO NOT attempt to install this update on any other model of head unit. Installing this firmware on an incompatible head unit WILL CORRUPT THE CPU AND “BRICK” THE HEAD UNIT, potentially making it unusable. HEAD UNITS CORRUPTED BY ATTEMPTING AN INCORRECT FIRMWARE UPDATE ARE NOT COVERED BY THE MANUFACTURER’S WARRANTY. Please verify that you have a SoundStream Reserve WHD.SG for 1998-2013 Harley-Davidson models before performing the update. What’s Included: 1 Genuine SanDisk 8GB USB Flash Drive 1 Latest SoundStream Reserve WHD.SG Firmware Update, preloaded and ready for installation No computer, downloading, unzipping, or file transferring required.