Are you in love with blockbuster movies, fiery battles, or awesome music with SoundMax B-70? There are some minor features that make you disagree, or your phone is not compatible with the speaker, solve your problem with the following step:

Step 1: Download the file in the link below:

https://drive.google.com/open?id=1BYe6yTD_RLuy6wGKj_1Zi5FeBhFt2hYI

Step 2: Copy the downloaded file to any usb (empty USB2.0, capacity under 16GB)

Step 3: Plug the usb into the usb slot on the B70 (with power on)

Step 4: After 10 seconds you turn off the B70 speaker and remove the USB from the speaker (note: power off speaker before you unplug the usb), the firmware has updated itself and you succeed.

Changelog:

- Improved volume for Sony phones.

- Removes the skipping song sound using memory card, USB, Bluetooth.

- Improved volume for SR-SL surround speakers when using Optical, Coaxial.

Please watch the video below: