Post-2.4.0.0, independent measurements by AudioScience Review (April 2026) show:
Updating is done exclusively through a mobile device. You cannot update the Charge 5 via a computer or USB. jbl charge 5 update
Open the app. If a new version is available, a red dot will appear over the gear icon, or an "Update" button will appear below the speaker's image. Post-2
Firmware 2.2.1.3 introduced a fuel gauge reset routine. If the speaker consistently reports incorrect percentages (e.g., shutdown at 30%), performing a full discharge (until auto-off) followed by a 100% charge via 5V/3A USB-C will recalibrate the IC. If a new version is available, a red
: While the original was waterproof, the updated version is fully IP67 rated , making it completely dustproof and capable of being submerged in 1 meter of water for 30 minutes.