note : this phone can updated the newest ios is 12.5.6 , but apple stop provide service for the ios under 12.5.7 , so maybe you can't sign in your apple ID or icloud . but you still can used this phone calling , taking photos , use internet etc.
COMMS WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
Bluetooth 4.0, A2DP, LE
Positioning GPS, GLONASS
NFC Yes (Apple Pay only)
Radio No
USB Lightning, USB 2.0
FEATURES Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
BATTERY Type Li-Po 1810 mAh, non-removable (6.9 Wh)
Stand-by Up to 250 h (3G)
Talk time Up to 14 h (3G)