This is the official Galaxy J3 Prime SM-J327T User manual in English and Spanish provided from the manufacturer.
The Galaxy J3 Prime that was released at T-Mobile in April 2017, It comes with Android 7.0 out of the box. In December 2018, The Galaxy J3 Prime received the November security patch Update which is based on Android 7.0. The Update also brings the VoLTE fix.
Download T-mobile Galaxy J3 Prime SM-J327T User manual
The Galaxy J3 user manual is ver. N 7.0. It is a manual for Galaxy J3 Prime SM-J327T running on Android N 7.0.
It is reported that Galaxy J3 Prime SM-J327T for T-mobile is eligible to receive the Oreo Update. So, When Samsung release the Oreo Update for the T-mobile Galaxy J3 Prime SM-J327T, Samsung official will publish a revised manual for J3 Prime running on Android Oreo.
The official model name for T-mobile Galaxy J3 Prime is SM-J327T, while the MetroPCS variants of the J3 Prime comes with the model number T-mobile Galaxy J3 Prime SM-J327T1. They are exactly the same devices. So MetroPCS Galaxy J3 Prime uses can also use the above manual for reference.