This is the official LG Aristo 4+ X320MA user manual in English and Spanish provided by the manufacturer.
The LG Aristo 4 plus 320MA (LMX320MA) for Metro by T-mobile features a 5.5-inch display with 720 x 1440 pixels and quad-core Qualcomm Snapdragon 425 processor.
The device offers 2 GB of RAM and only 16 GB of internal memory, Other features include a fingerprint scanner, a standard 3.5mm audio jack, 13 MP and 5 MP cameras (rear and front, respectively), and a 2890 mAh battery.
Download LG Aristo 4+ X320MA user manual
For your information, The LG Aristo 4+ comes with Android 9.0 Pie out of the box. The manual above is based on Android 9.0 Pie.
It is rumored that the LG Artito 4+ will also receive the Android 10 Update.
LG Aristo 4 plus X320MA support software update through OTA and LG Bridge.