This phone may be the RealmeX3 Pro, though other models have been misidentified as the X3 Pro, previously, so it’s not entirely certain.
A Realme phone, RMX2170, has been given the stamp of approval by TUV Rheinland, which tested the 65W fast charger for safety (it outputs outputs 6.5A at 10V). The phone has a two cell battery with 2,200 mAh rated capacity per cell (so 4,400 mAh total).

The RMX2170 was recently certified by the Wi-Fi Alliance as well with Android 10. It only supported Wi-Fi 5 (ac) while Snapdragon 865 phones support Wi-Fi 6 (ax).
Realme recently unveiled the Realme X3 and Realme X3 SuperZoom smartphones. The flagship model in the series dubbed as Realme X3 Pro is yet to go official. The X3 Pro is likely to replace the Snapdragon 855+ powered Realme X2 Pro that debuted in October last year.
The Realme X3 launched on 25th June 2020. The phone comes with a 6.60-inch touchscreen display with a resolution of 1080×2400 pixels and an aspect ratio of 20:9. Realme X3 powered by an octa-core Qualcomm Snapdragon 855+ processor. It comes with 6GB of RAM. Realme X3 runs Android 10 and powered by a 4200mAh non-removable battery. The Realme X3 supports proprietary fast charging.
The RealmeX3

- Display6.60-inch (1080×2400)
- ProcessorQualcomm Snapdragon 855+
- Front Camera16MP + 8MP
- Rear Camera64MP + 8MP + 12MP + 2MP
- RAM6GB
- Storage128GB
- Battery Capacity4200mAh
- OSAndroid 10
As far as the cameras are concerned, the RealmeX3 on the rear packs a 64-megapixel primary camera with an f/1.8 aperture; a second 8-megapixel camera with an f/2.3 aperture; a third 12-megapixel camera with an f/2.5 aperture and a fourth 2-megapixel camera with an f/2.4 aperture. The rear camera setup has autofocus. On the front, the Realme X3 packs a 16-megapixel primary camera with an f/2.0 aperture and a second 8-megapixel camera with an f/2.2 aperture.
Realme X3 runs Realme UI based on Android 10 and packs 128GB of inbuilt storage. Its a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. Measuring 163.80 x 75.80 x 8.90mm (height x width x thickness) and weighs 202.00 grams. launched in Arctic White and Glacier Blue colours.
Connectivity options on the Realme X3 include Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth v5.00, USB Type-C, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, gyroscope, proximity sensor, and fingerprint sensor. It also supports face unlock.
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