LG expects to complete the wind down of the mobile phone business by 31 July although inventory of some existing models may still be available after that.
Also announced were the new LG G8 ThinQ and the LG G8s ThinQ smartphones with the new Z Camera.
What appears to be a black strip one can see is the status bar which has the date, network connectivity and other details mentioned.
Military grade certification aside, the LG X4 Plus also packs in a Hi-Fi DAC (digital to analog converter) that allows for up to 32-bit 192 kHz audio output.
LG Q6 is powered by Qualcomm Snapdragon 435 processor with 3 GB of RAM and 32 GB of internal storage.
While the X Power 2 was expected to make its way to markets by June, LG has announced that the units have already started shipping.
While Korean giant Samsung posted a record fourth quarter despite the Galaxy Note 7 fiasco, rival LG posted massive losses on poor sales of the G5.