The biggest hit at MWC19 was flexible display technology that was shown off in 2 foldable phones, the Samsung Galaxy Fold and Huawei Mate X, and in a wearable smartwatch phone from ZTE, the nubia Alpha. While 5G was everywhere (I don’t think I saw one booth that did not mention 5G), it is just emerging into the market but will certainly take off later this year. Nokia voiced this timing in their press conference saying that they expect the first half o 2019 to be somewhat slow with 5G taking off more quickly in the second half of this year. Read this thorough summary of the event.