This is the official LG ARISTO 2 PLUS User manual in English and Spanish provided by the manufacturer.

The LG ARISTO 2 PLUS on T-mobile recently received the Oreo Update, So LG official published a revised manual for Aristo 2 X212TA based on Android Oreo.
Download LG Aristo 2 Plus Manual [Oreo Version]
The LG ARISTO 2 PLUS (Model: LMX212TA) will be available soon from T-mobile and MetroPCS. It is an entry-level smartphone with Android N 7.0 out of the BOX.
Before the official release of the phone, LG official has published the LG ARISTO 2 PLUS User manual in English and made it ready for download from LG website.
LG recently revised the owner’s manual for Aristo 2, Here you can download it
Download LG ARISTO 2 PLUS LMX212TA User manual
English:
Spanish:
The manual from the above link is a basic instruction that contains the product installation and usage. LG may revise the owner manual for LG ARISTO 2 PLUS LMX212TA when there is a new software update or UI changes.