3G, HSPA 42.2/5.76 Mbps 4G, no 4G support WiFi, Wi-Fi 802.11 b/g/n, hotspot
3.5 mm Audio Jack
Operating System: Oreo v8.1 (Go Edition)
Size: 5.0 inches

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
Processor Speed: Quad-core, 1.3 GHz Processor Type: MediaTek MT6737M
RAM: 1GB
8GB
Card Slot, up to 64 GB
Black, Gold

3G, HSDPA 850 / 900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 b/g/n
3.5 mm Audio Jack
Operating System: 9.0 (Pie)
Size: 6.1 inches, 91.3 cm2

Dual Sim, Dual SIM (Mini-SIM, dual stand-by)
Processor Speed: 1.6GHz Octa core Processor Type: Spreadtrum SC9863A
RAM: 2 GB
16 GB
Card Slot, Upto 64 GB
Champagne Gold, Ice Blue, City Blue

3G, HSDPA 850 / 900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
3.5 mm Audio Jack
Operating System: 9.0 (Pie); MIUI 9
Size: 6.22 inches, 96.6 cm2 (~81.9% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
Processor Speed: Octa-core (2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) Processor Type:
RAM: 4/3/2 GB
64/32/16 GB
Card Slot, microSD, up to 1 TB (dedicated slot)
Black, Blue, Red

3G, HSDPA 850 / 900 / 2100 4G, LTE WiFi, Wi-Fi 802.11 b/g/n
3.5 mm Audio Jack
Operating System: 9.0 (Pie)
Size: 5.71 inches, 81.4 cm2 (~76.6% screen-to-body ratio)

Dual Sim, Dual Sim, Dual Standby (Micro-SIM)
Processor Speed: Octa-core 1.6 GHz Processor Type:
RAM: 3 GB
32 GB
Card Slot, microSD, up to 64 GB (dedicated slot)
Various

3G, HSPA 42.2/5.76 Mbps 4G, LTE-A (2CA) 450/50 Mbps WiFi, Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot
3.5 mm Audio Jack
Operating System: Android 9.0 (Pie); ColorOS 6
Size: 6.5 inches, 102.0 cm2 (~82.1% screen-to-body ratio)

Dual Sim, Dual Sim, Dual Standby (Micro-SIM)
Processor Speed: Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver) Processor Type:
RAM: 4/3 GB
128/64/32 GB
Card Slot, microSD, up to 256 GB (dedicated slot)
Crystal Blue, Crystal Purple

3G, HSDPA 850 / 900 / 2100 4G, unavailable WiFi, Wi-Fi 802.11 b/g/n
3.5 mm Audio Jack
Operating System: 8.1 (Oreo) Go Edition
Size: 5.45 inches, 76.7 cm2 (~74.4% screen-to-body ratio)

Dual Sim, Dual SIM (Mini-SIM, dual stand-by)
Processor Speed: Quad core, 1.3 GHz, Cortex A53 Processor Type:
RAM: 1 GB
8 GB
Card Slot, Upto 32 GB
Black, White,Gold

3G, HSPA 42.2/5.76 Mbps 4G, LTE Cat4 150/50 Mbps WiFi, Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
3.5 mm Audio Jack
Operating System: 8.1 Oreo (Go edition)
Size: 5.0 inches, 68.0 cm2 (~69.1% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
Processor Speed: Quad-core 1.4 GHz Cortex-A53 Processor Type:
RAM: 1 GB
8/16 GB
Card Slot, microSD, up to 128 GB (dedicated slot)
Black, Blue

3G, HSPA 42.2/5.76 Mbps 4G, LTE Cat4 150/50 Mbps WiFi, Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
3.5 mm Audio Jack
Operating System: 8.1 (Oreo); Funtouch 4.5
Size: 6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio)

Dual Sim, Dual SIM (Nano-SIM, dual stand-by)
Processor Speed: Quad-core 2.0 GHz Cortex-A53 Processor Type: Mediatek MT6761 Helio A22 (12 nm)
RAM: 2 GB
32/16 GB
Card Slot, microSD, up to 256 GB
Black, Gold

3G, Not support 4G, Not support WiFi
3.5 mm Audio Jack
Operating System: None
Size: 1.77 inches, 9.7 cm2 (~16.6% screen-to-body ratio)

Dual Sim, Dual SIM (Mini-SIM, dual stand-by)
Processor Speed: None Processor Type: None
RAM: 4 MB
4MB
Card Slot
Black, Blue, Pink

3G, Not support 4G, Not support WiFi
3.5 mm Audio Jack
Operating System:
Size: 2.4 inches, 17.8 cm2 (~27.6% screen-to-body ratio)

Dual Sim
Processor Speed: Processor Type: Mediatek MT6260A
RAM: 16 MB
16 MB
Card Slot
Charcoal, Red, Grey

3G, Not support 4G, Not support WiFi
3.5 mm Audio Jack
Operating System:
Size: 1.8 inches, 10.0 cm2 (~18.2% screen-to-body ratio)

Dual Sim, Dual SIM (Mini-SIM, dual stand-by)
Processor Speed: Processor Type: Mediatek MT6261D
RAM: 4 MB
4 MB
Card Slot
Black

3G, Not support 4G, Not support WiFi
3.5 mm Audio Jack
Operating System: None
Size: 2.4 inches, 17.8 cm2 (~27.8% screen-to-body ratio)

Dual Sim, Dual SIM
Processor Speed: Processor Type:
RAM: 32 MB

Card Slot, Up to 32 GB
Black, Blue