Typically we answer with in 24 hours
Oppo A37 Release or Launch date is 01 Jun, 2016.
YES, oppo A37 support 3G
3G Band: HSDPA 850 / 900 / 1900 / 2100.
YES, oppo A37 support 4G
4G Band: LTE.
NO, oppo A37 does not support 5G.
YES, oppo A37 have Fast Charging
oppo A37 have charging
Screen size/Display Size of Oppo A37 is 5.0 inches.
NO, oppo A37 does not have NFC