Since its release in April 2021, the JBL Charge 5 has sold over 12 million units. Unlike early Bluetooth speakers, the Charge 5 includes a flashable firmware architecture that allows JBL (a Harman International subsidiary) to deploy over-the-air (OTA) updates. These updates address:
The latest update for the JBL Charge 5 may include: jbl charge 5 update
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. Since its release in April 2021, the JBL