Replacement vivo X21 UD Batteries

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Technology: GSM / CDMA / HSPA / LTE
2g Bands: GSM 850 / 900 / 1800 / 1900
3g Bands: HSDPA 850 / 900 / 1900 / 2100
4g Bands: 1, 2, 3, 5, 8, 34, 38, 39, 40, 41
Speed: HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced: 2018, March
Status: Available. Released 2018, March
Dimensions: 154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)
Weight: 156.2 g (5.50 oz)
Build: Glass front (Gorilla Glass 3), aluminum back, aluminum frame
Sim: Nano-SIM + Nano-SIM
Type: Li-Ion 3200 mAh, non-removable
Size: 6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio)
Resolution: 1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
Protection: Corning Gorilla Glass 3
Os: Android 8.1 (Oreo), Funtouch 4
Chipset: Qualcomm SDM660 Snapdragon 660 (14 nm)
Cpu: Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Gpu: Adreno 512
Card Slot: microSDXC (uses shared SIM slot)
Internal: 128GB 6GB RAM
Dual: 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 5 MP, f/2.4, (depth)
Features: LED flash, HDR, panorama
Video: 1080p@30fps
Single: 12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Loudspeaker: Yes
3.5mm Jack: Yes
Wlan: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth: 5.0, A2DP, LE
Positioning: GPS, GLONASS
Nfc: No
Radio: FM radio
Usb: microUSB 2.0, OTG
Sensors: Fingerprint (under display, optical), accelerometer, proximity, compass
Charging: 18W wired
Colors: Black, Ruby Red
Models: X21UD A