I retreated inside, cradling the cylindrical orange powerhouse like an injured patient. I plugged it into the wall charger and grabbed my laptop. It was time for surgery. It was time for a firmware update.
Tap the update notification or navigate to the speaker settings menu. Press and read the on-screen warnings. jbl xtreme update firmware
Significant loudness boost (up to 2dB in battery mode) and improved bass. I retreated inside
Download the firmware file over a stable Wi-Fi network rather than cellular data to avoid download corruption. jbl xtreme update firmware
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