The 2020 in the title refers to the year the ITU expects the IMT-2020, or 5G, specification to be ready.
Standardization work isn't just going on at the ITU: The Third Generation Partnership Project or 3GPP is working on a "5G" specification that it intends to submit to the ITU by October 2020, and earlier this month unveiled one of the first deliverables, a new logo.
3GPP The Third Generation Partnership Project (3GPP)'s "5G" logo.
If you see it on a phone before the end of 2018 though, when 3GPP plans to publish the first release of its specification, then it's probably a fake.
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