How do I upgrade firmware on the B50?

Bluetooth Products B50

zpl1025 May 8, 2023, 1:06am 3

You could refer to this post:

B50 not resuming ARC B50

Hi, you could upgrade this version firmware You could long press the ARC button on remote to turn OFF/ON the auto standby feature. Besides, long press the PHONO button on remote, could switch between MM/MC mode. Btw, normally, it works in MM mode, and when switch to MC mode, the device will just apply a +10dB extra gain over the phono input. To upgrade B50 model: You need a USB disk with format FAT (not FAT32 or exFAT for now). And copy the firmware MVA file into the disk root directory (no…

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