HELP! JBL Boombox 1 won't charge when plugged in. Flashing red light at all times then powers off. Factory reset doesn't help. I know I need to do a software update but
CAN YOU DOWNGRADE YOUR FIRMWARE!? HERE IS THE REAL ANSWER!! (JBL BOOMBOX 2) - YouTube
JBL Firmware Update 2021 for Bluetooth speakers - YouTube