Network - It has a very good network quality. It provides dual nano sim facility. It has octa core processor with 8GB RAM.
Customer Service - Customer Service is nice but you probably not need services very often because the model is very good.
Charges and Billing - It is an Amazon Exclusive product .It is available at prize of Rs. 37999 . You do not have to pay any billing or shipping charges because it has free delivery.
Features- It has a 6.01 inch screen with 18:9 aspect ratio AMOLED display . It has that dual camera setup but do not have telephoto lens as like earlier OnePlus 5 model. It has bezeless display which makes it look very impressive and large . Moreover it has that FaceID feature along with fingerprint scan . It has one of the fastest FaceID but the sad part is that the FaceID is 2D .
If you have OnePlus 5 already and if it does not look necessary to you buy a new phone then do not buy it.