How To Update JBL Speaker Firmware Version? (Easy!) - These Gadgets
JBL Flip 4 | Portable Bluetooth Speakers | JBL US
JBL Flip 4 Firmware Update Instructions - Tom's Tek Stop
JBL Flip 4 Firmware Update Instructions - Tom's Tek Stop
JBL Flip 4 Will Not Charge Or Won't Hold a Charge - iFixit
Is anybody else having battery problem with their JBL Flip 4? Mine is a year old and can no longer hold a charge for more than 10 songs. I looked for a