4G LTE LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 40, 41, 19, 26, 38, 39 Bands
** Seems like this phone supports Band 28 **
PRODUCT HIGHLIGHTS
- Rear 23MP Camera + 13MP Front Camera
- f/2.0 Aperture and 24mm-Equivalent Lens
- 1.8 GHz Snapdragon 650 Hexa-Core CPU
- 32GB Storage Capacity + 3GB of RAM
- 5.0" IPS LCD Touchscreen Display
- Full HD 1920 x 1080 Resolution
- Includes Quick Charger
- Android 6.0 Marshmallow
https://www.gsmarena.com/sony_xperia_x-7948.php#f5121
A few other key points from here
BODY Dimensions 143 x 69 x 7.7 mm (5.63 x 2.72 x 0.30 in)
Weight 153 g (5.40 oz)
SIM Nano-SIM
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
MEMORY Card slot microSD, up to 256 GB
3.5mm jack Yes
COMMS WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth 4.2, A2DP, aptX, LE
GPS Yes, with A-GPS, GLONASS
NFC Yes
Radio FM radio, RDS
USB microUSB 2.0, USB Host
BATTERY Non-removable Li-Ion 2620 mAh battery