Hi,I want to buy this tab but I am confused if it will work with our Nigerian network providers(3g&4g)?

Thanks

Brand: ALLDOCUBE
Type: Phablet
OS: Android 8.0
CPU Brand: MTK
CPU: MTK6797
Core: 2.3GHz,Deca Core
GPU: ARM Mali-T880 MP4


RAM: 3GB
ROM: 32GB
External Memory: TF card up to 128GB (not included)


Support Network: 2G,3G,4G,Dual WiFi 2.4GHz/5.0GHz
WIFI: 802.11 a/b/g/n/ac wireless internet
2G: GSM 850/900/1800/1900MHz
3G: WCDMA B1 2100MHz,WCDMA B2 1900MHz,WCDMA B5 850MHz,WCDMA B8 900MHz
4G: B1 2100MHz,B2 1900MHz,B20 800MHz,B3 1800MHz,B5 850MHz,B7 2600MHz,B8 900MHz,TDD B40 2300MHz
GPS: Yes
Bluetooth: Bluetooth 4.2