It's no more new that phone without internet data is like a blind phone.
Buying internet data directly from network providers are sometimes very expensive.
But there are platforms where you can buy internet data at cheap and affordable prices. Platform like Inlomax (inlomax.com) sells internet data at affordable price like MTN - ₦225 per GB, Airtel - ₦225, etc.
To buy data from inlomax.com, simply register, fund your wallet and start transacting