3G, HSDPA 850 / 900 / 2100 4G WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
OS: 8.1 (Oreo) Go Edition
Size: 4.95 inches, 68.9 cm2 (~70.0% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: Quad-core 1.3 GHz CPU: MediaTek
RAM: 1 GB
8 GB
Card Slot, microSD, up to 64 GB (dedicated slot)
Black, Blue, Red

3G, HSDPA 850 / 900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
3.5 mm Audio Jack
OS: 8.1 (Oreo)
Size: 5.45-inch Full-View IPS Display 2.5D Curved Glass

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: Quad-core 1.5 GHz CPU: MediaTek
RAM: 3/2 GB
16 GB
Card Slot, microSD, up to 64 GB (dedicated slot)
Blue, Gold

3G, HSDPA 850 / 900 / 1900 / 2100 4G, LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) WiFi, Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
3.5 mm Audio Jack
OS: 9.0 (Pie); MIUI 10
Size: 6.3 inches, 97.4 cm2 (~81.4% screen-to-body ratio)

Dual Sim, Hybrid Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) CPU: Qualcomm SDM660 Snapdragon 660 (14 nm)
RAM: 4/3 GB
64/32 GB
Card Slot, microSD, up to 256 GB (uses shared SIM slot)
Onyx Black, Sapphire Blue, Ruby Red

3G, HSDPA 850 / 900 / 1900 / 2100 4G WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
OS: 8.1 (Oreo)
Size: 5.45 inches, 76.7 cm2 (~72.9% screen-to-body ratio)

Dual Sim, Dual Sim, Dual Standby (Micro-SIM)
CPU Speed: Quad-core 1.3 GHz CPU: MediaTek
RAM: 1 GB
8 GB
Card Slot, microSD, up to 64 GB
Blue, Gold

3G, HSDPA 850 / 900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
OS: 7.0 (Nougat)
Size: 5.5 inches, 78.1 cm2 (~88.1% screen-to-body ratio) Bezel-less, front 2.5D glass and back 2.5D glass

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: Quad-core, Cortex-A53, 1.5GHz CPU: MTK6737T
RAM: 2 GB
16 GB
Card Slot, microSD, up to 256 GB
Black

3G, HSDPA 850 / 900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
OS: 8.1 (Oreo)
Size: 5.5 inches, 88.9 cm2 (~88.7% screen-to-body ratio)

Dual Sim
CPU Speed: Quad-core 1.5 GHz Cortex-A53 CPU: Mediatek MT6739
RAM: 2 GB
16 GB
Card Slot, microSD, up to 128 GB
Black, Gold

3G, HSDPA 850 / 900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
OS: 8.1 Oreo
Size: 5.5 inches, 78.1 cm2 (~73.8% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: ARM Cortex-A53, 1500 MHz, Cores: 4 CPU: MediaTek
RAM: 3 GB
32 GB
Card Slot, microSD, up to 64 GB
Black, Blue, Gold

3G, HSDPA 850 / 900 / 1900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
OS: 9.0 (Pie)
Size: 6.3 inches, 100.2 cm2 (~84.7% screen-to-body ratio)

Dual Sim
CPU Speed: Octa-core (8xCortex A53), up to 2.3GHz CPU: MediaTek Helio P35
RAM: 4 GB
64 GB
Card Slot, microSD, up to 256 GB
Black, Gold

3G, HSDPA 850 / 900 / 1900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
OS: 8.1 (Go Edition)
Size: 6.00 inches, 95.8 cm2 (~81.5% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: 1.3GHz Cortex A7 Quad-Core CPU: MediaTek MT6580
RAM: 1 GB
16 GB
Card Slot, microSD, up to 64 GB
Gold, Blue

3G, HSDPA 850 / 900 / 1900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
OS: 9.0 Pie (Go edition)
Size: 5.5 inches, 83.4 cm2 (~71.4% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: Quad-Core 1.6GHz CPU: Mediatek MT6739
RAM: 2 GB
16 GB
Card Slot, microSD, up to 128 GB
Black, Gold, Blue

3G, HSDPA 850 / 900 / 1900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
OS: 8.1 (Go edition)
Size: 5.0 inches, 68.9 cm2 (~70.0% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: Quad-Core 1.3GHz CPU: MediaTek
RAM: 1 GB
16 GB
Card Slot, microSD, up to 256 GB
Black, Blue, Gold

3G, HSDPA 850 / 900 / 1900 / 2100 4G WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
OS: 6.0 (Marshmallow)
Size: 4.0 inches

Dual Sim, Dual Sim (SIM 1: Micro & SIM 2: Nano)
CPU Speed: Quad-core 1.2 GHz CPU: MediaTek
RAM: 512 MB
8 GB
Card Slot, MicroSD, up to 32 GB
Black

3G 4G WiFi, Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
3.5 mm Audio Jack
OS: 8.0 (Oreo)
Size: 5.5 inches, 83.4 cm2 (~71.4% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: 1.3GHz Cortex A7 Quad-Core CPU: MediaTek MT6580M
RAM: 2 GB
16 GB
Card Slot, microSD, up to 64 GB
Champagne Gold, City Blue, Elegant Black

3G, HSDPA 850 / 900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
3.5 mm Audio Jack
OS: 9.0 (Pie)
Size: 6.26 inches, 96.2 cm2 (~88% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: Octa-core 2.0 GHz CPU: MediaTek Helio A22 (12nm)
RAM: 4/3 GB
64/32 GB
Card Slot, microSD, up to 128 GB
Various

3G, HSDPA 850 / 900 / 1900 / 2100 4G, LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) - India WiFi, Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
3.5 mm Audio Jack
OS: 9.0 (Pie); MIUI
Size: 5.45 inches, 76.7 cm2 (~74.4% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
CPU Speed: Octa-core (2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) CPU: Qualcomm SDM439 Snapdragon 439 (12 nm)
RAM: 3/2 GB
32/16 GB
Card Slot, microSD, up to 256 GB (dedicated slot)
Matte Black, Morning blue, Matte Blue, Matte Gold