Question: what is the difference between honor band 3 and 4?
Answer: The new Honor band 4 has a slightly bigger screen size of 0.95 inch compared to Band 3 which has a screen size of 0.9. In addition the Band 4 has a wider case size of 17.2mm while Band 3 has a smaller case size of 16.5mm. All these collectively give the Band 4 a bigger display that allows you to see more at a glance.