Bluboo D1
Specifications

Secondary Camera: 2 MPix
Price comparison
Average of 2 scores (from 3 reviews)
Reviews for the Bluboo D1
Source: Gogi.in

So overall the handset is not that powerful, camera quality is bad (just look at the sample images) and handset does not support 4G. Good point is that the D1 runs Android Nougat out of the box. Battery life is decent.
Single Review, online available, Medium, Date: 06/21/2017
Rating: Total score: 40%
Foreign Reviews
Source: FAQsAndroid

Single Review, online available, Long, Date: 06/05/2017
Rating: Total score: 56% price: 70% display: 40% mobility: 70% workmanship: 55%
Source: Notebook Italia

Positive: Good price; long battery life; large screen; solid workmanship.
Single Review, online available, Very Long, Date: 07/15/2017
Comment
ARM Mali-400 MP2: OpenGL ES 2.0 GPU for ARM based SoCs with 2 fragment processors and 1 vertex processor.
These graphics cards are not suited for Windows 3D games. Office and Internet surfing however is possible.
» Further information can be found in our Comparison of Mobile Graphics Cards and the corresponding Benchmark List.
MT6580M: Quad-core SoC (4x Cortex-A7 at 1.3 GHz) for tablets and smartphones.» Further information can be found in our Comparison of Mobile Processsors.