4g and LTE is not the same.
4G top speed is 1gb/s and not compatible with 3g infrastructure requiring new deployment.
LTE top speed is 100mb/s and backword compatible with 3g network with relatively inexpensive modification of existing infrastructure. Making it cheaper to deploy.
There is no country in the world that has full 4G deployment. They just call LTE, 4G network for marketing purpose.
Every country pulls this sh*t with LTE and calls it 4G.
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