This is not a valid information, nor a rumour, but it is an educated guess.
When I read this statement in a reddit conversation with Jono Bacon, Community Manager at Canonical.
“In the shorter-term there are smaller OEMs who serve a smaller region who see great opportunity in Ubuntu, and their costs and risk are smaller for them to trial a device. This is where we will likely see the first handsets shipping.
My hope is that when one of these smaller OEMs ships and Ubuntu handset that it sells well and it sends a strong message to other OEMs too.” Continue reading