Both of them have virtually the same specifications with one being for carrier. These measure 155.11 x 75.09 x 8.28 mm and has weight of 163.5 grams.
The V1818T and V1818A features in 6.22-inch multi-touch display with 1520 x 720 pixels resolution at 19:9 aspect ratio. Under the hood is 1.95GHz octa-core processor and comes with 4GB RAM.
They run on Android 8.1 Oreo OS offers dual SIM support. They come with 64GB storage space and allow further expansion up to 256GB using MicroSD card. The hardware is powered by 3935 mAh battery.
In terms of optics, there is a 8MP front camera for selfies and video calling. TENAA lists presence of 13MP and 2MP dual rear cameras with LED Flash and 1080p video recording.
Usual connectivity options like Wi-Fi, Hotspot, Bluetooth and GPS are supported. Gravity, Proximity and Light sensors are present as well.