Follow these tips for solving JBL Charge 4 charging problems. This explains how to best recharge the JBL Charge 4…
Follow these instructions that explain charging the JBL Charge 4 via its hidden DC input charging USB-C port. JBL Charge…
The JBL Charge 4 BT speaker does not come with an AC charger adapter. But you can recharge the speaker…
Where is JBL Charge 4 reset button located? Well, this speaker has no single reset button. Instead, to hard factory…
Here's our JBL Charge 4 software update instructions. This routine can take up to thirty minutes to finish, depending on…