JBL Charge 4 Adapter Specs

The JBL Charge 4 BT speaker does not come with an AC charger adapter.  But you can recharge the speaker with just about any standard full-power USB 2 charger.  Plus, we found that the adapter that came with our Charge 3, also works well on the JBL Charge 4.  Thus that’s the adapter that we’ll … Continue reading JBL Charge 4 Adapter Specs

JBL Charge 4 Charging Instructions

Follow these instructions that show how JBL Charge 4 charging via its hidden DC input charging USB-C port, discussed below. JBL Charge 4 Charging First Remarks   First, we suggest that you recharge the JBL Charge 4 with a full power USB 2.0 charger such as the JBL USB charger for Bluetooth speakers, sold separately. … Continue reading JBL Charge 4 Charging Instructions

JBL Charge 4 Reset Button, Where to Find It

Where is JBL Charge 4 reset button located? Well, this speaker has no single reset button. Instead, to hard factory reset, you press a button combination, as described next. JBL Charge 4 Reset Button Location First, on this speaker, several buttons appear across its top. Furthermore, to reset, press and hold the Volume UP and … Continue reading JBL Charge 4 Reset Button, Where to Find It

JBL Charge 4 Software Update Instructions

Here’s our JBL Charge 4 software update instructions.  This routine can take up to thirty minutes to finish, depending on the speed of your internet link.  Plus, you can’t undo it once done.  That is, you won’t be able to return to any prior firmware version after installing a software upgrade.  So, be sure that … Continue reading JBL Charge 4 Software Update Instructions