What are the differences between firmware files "fw-b210_310_hw1-5.4.7-build1920.bin" and "fw-b210_310_hw2_hw3-5.4.7-build1493.bin"?

What are the differences between firmware files “fw-b210_310_hw1-5.4.7-build1920.bin” and “fw-b210_310_hw2_hw3-5.4.7-build1493.bin”?

The two firmware are for 2 different hardware revision of Balance 210/310.

If your Balance 210/310 has an USB port for 4G/3G WAN then please use the “hw2” firmware. Here are the details.