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Battery
Charging 10W wired 22.5W wired
Music play Up to 60 h -
Stand-by Up to 264 h (3G) -
Type Li-Po 4000 mAh, non-removable 4500 mAh, non-removable
Body
Dimensions 150 x 76 x 8.7 mm (5.91 x 2.99 x 0.34 in) 159.5 x 75.2 x 8.1 mm (6.28 x 2.96 x 0.32 in)
SIM Dual SIM (Micro-SIM, dual stand-by) Nano-SIM + Nano-SIM
Weight 164 g (5.78 oz) 187 g (6.60 oz)
Comms
Bluetooth 4.1, A2DP, LE 5.0, A2DP, LE, aptX
Infrared port Yes -
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, BDS
Radio Stereo FM radio, recording FM radio
USB microUSB 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Resolution 1080 x 1920 pixels, 16:9 ratio (~403 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
Size 5.5 inches, 82.6 cm2 (~72.4% screen-to-body ratio) 6.38 inches, 99.9 cm2 (~83.3% screen-to-body ratio)
Type IPS LCD Super AMOLED
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2015, November. Released 2015, November 2019, July. Released 2019, August
Status Discontinued Discontinued
Main Camera
Features Dual-LED dual-tone flash, HDR, panorama LED flash, HDR, panorama
Single 13 MP, f/2.2, PDAF -
Triple - 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.4, (depth)
Video 1080p@30fps 4K@30fps, 1080p@30fps
Memory
Card slot No microSDXC (dedicated slot)
Internal 16GB 2GB RAM, 32GB 3GB RAM 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM
  eMMC 5.0 UFS 2.1
Misc
Colors Silver, Gray, Gold Aurora illusion, Bamboo Forest Night, Holographic illusion
Models - V1921A, V1921T, 1921
SAR EU 0.33 W/kg (head)     -
Network
2G bands GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 2100
4G bands 1, 3, 7, 38, 39, 40, 41 1, 3, 4, 5, 8, 34, 38, 39, 40, 41
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / LTE
  TD-SCDMA CDMA 800 & TD-SCDMA
Our Tests
Audio quality Noise -94.2dB / Crosstalk -93.7dB -
Battery (old) Endurance rating 72h -
Camera Photo / Video -
Display Contrast ratio: 953 (nominal), 2.249 (sunlight) -
Loudspeaker Voice 66dB / Noise 66dB / Ring 75dB -
Performance Basemark OS II 2.0: 1018Basemark X: 8540 -
Platform
Chipset Mediatek MT6795 Helio X10 (28 nm) Qualcomm SDM712 Snapdragon 712 (10 nm)
CPU Octa-core 2.0 GHz Cortex-A53 Octa-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU PowerVR G6200 Adreno 616
OS Android 5.0.2 (Lollipop), MIUI 7 Android 9.0 (Pie), Funtouch 9.1
Selfie camera
Features - HDR
Single 5 MP, f/2.0 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  24-bit/192kHz audio -
Offers No offers available No offers available