Network coverage if talks about jio network coverage than I wants to tell you very poor network coverage in towns, outdoor has average network coverage in case we r indoor than no network coverage, jio have to stabled good or best network coverage otherwise it is useless in towns
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Customer service if I talk about customer service it is also poor not poor I thought there are no customer service in jio, I will try many of time to contact with customer care, dealers digital store but I will get nothing no help from there sides
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Charge and billing jio providing free internet and calling service