The Huawei Mate 40 is being unveiled on October 22, we know this as Huawei has confirmed as much, and it will likely land alongside the Huawei Mate 40 Pro. But while we’re now very close to that date, we still know remarkably little about the phone.

There have been a few rumors, but far fewer than we’d typically have this close to a flagship launch, while Huawei itself has teased one or two things, but that still leaves us with a lot more questions than answers.
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https://www.techradar.com/news/huawei-mate-40-5-things-we-have-left-to-learn