Sony usually announces what phones will receive a major Android OS update once Google makes it available to handset manufacturers, but this time the announcement has been delayed for some reason. Obviously, those who bought Xperia flagships launched in 2018 and 2019 should definitely expect to see Android 10 arriving on their devices in the coming months.

However, there's the problem of the mid-range smartphones and those flagships released in 2017, which we still don't know if they're going to be updated to Android 10 at some point. Luckily, one Japanese carrier, NTT DoCoMo, published a ...