The LG G7 one (aka LMQ910UM or LMQ910UM2) will get the Android 9 Pie Upgrade very soon, as LG has released the LG G7 one Kernel source code for the Android Pie.
The LG G7 one LMQ910UM is now available for purchase in Canada through major carriers. The device comes with Android 8.1 Oreo Out of the box. ON LG Canada official website, LG confirmed that Android 9 Pie for LG G7 one will be available during the next update within 2018.
According to a listing on Google Android Enterprise website, The G7 one with the model number LM-Q910 is LG’s first device to get the Android 9 PIE Update.