Sharp, colourful and bright, it’s very much a screen suited to a flagship smartphone. The Huawei P50 Pro now sports a 120Hz refresh rate, up from 90Hz on the P40 Pro. What that means is that ...

Just what is Huawei up to on March 20? In a teaser posted online, it seems the technology company is going to announce a device with a rollable screen, which expands from one size out into another.