S2 Advance

Display: 5.5″
Memory: 1GB + 16GB
Processor: Quad Core  1.3Ghz
Battery: 2.500 mAh
Cameras: Rear 8MP+VGA / Front 5MP
Android: 8.1 Oreo

S2

Display: 5.0″
Memory: 1GB + 8GB
Processor: Quad Core  1.3Ghz
Battery: 2.000 mAh
Cameras: Rear 8MP+VGA / Front 5MP
Android: 8.1 Oreo

STAR 5.5

Display: 5.5″ HD
Memory: 1GB + 8GB
Processor: Quad Core  1.3Ghz
Battery: 2.200 mAh
Cameras: Rear 13MP / Front 5MP
Android: 5.1 Lollipop

STAR 5HD

Display: 5.0″ HD
Memory: 1GB + 8GB
Processor: Quad Core  1.3Ghz
Battery: 2.200 mAh
Cameras: Rear 8MP / Front 5MP
Android: 5.1 Lollipop

STAR 5

Display: 5.0″ qHD
Memory: 512MB + 5GB
Processor: Dual Core  1.3Ghz
Battery: 1.800 mAh
Cameras: Rear 5MP / Front 2MP
Android: 4.4

STAR 4

Display: 4.0″ HD
Memory: 1GB + 4GB
Processor: Quad Core  1.3Ghz
Battery: 1.300 mAh
Cameras: Rear 5MP / Front 2MP
Android: 6.0 Marshmallow