Hii friends, this is Sourav and I am going to share you about my experience.
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2 years ago, I went for a picnic in some village area on a new year day. I used to use Vodafone sim on that time. I have a very important call from my office but the network of vodafone was very poor. When we enquired about a vodafone tower nearby, we were shocked to know that the nearby vodafone tower was about 15 miles away.
One of my friend had a airtel sim, only his mobile was showing a good signal to make a call. vodafone sim is useless in village areas.