To Check Your 4G LTE Network Band Via Mtk Engineering 

Download MTK Engineering Mode from Google Play here
Install the app
Tap MTK Settings
Tap BandMode
Select your SIM
You will see a list of band mode, from GSM to LTE,
If you cannot tick the band 28 check box, then forget about using Glo 4G LTE service.
If you cannot tick the band 3 check box, then forget about using Etisalat 4G LTE service.
If you are not able tick band 20 or 7 check box, your phone is not supported for MTN 4G LTE service. If you use Ntel and you can’t tick band 8 or band 3, then your smartphone has no support for Ntel network.

For those who are not using MTK smartphones, before you purchase your next 4G Android smartphone, kindly ask via comment box below or simply tell us which 4G phone you are using and we as a family will help you out on 4G networks that supports your device.