Here, we demonstrate updating firmware on JBL Charge 4 Bluetooth speaker. The process can take up to thirty minutes depending…
Many JBL speakers, including the Charge 4, have a blinking red light when the battery is about dead. We find…
Most Bluetooth speakers, including the JBL Charge 4, offer off-grid sound via an internal battery. And when that power runs…
When the Power button on your JBL Charge 4 is not working, this likely means one or more things. Now…
The JBL Charge 4 has a light that glows or blinks red when the battery is about dead. In the…