I am using Idea from last 2 years .
And I don't have any problem from this network .
If u go in villege side there u can use Idea 3g.
After Jio idea have very cheep plans for mobile data , cheep tarrif and great offers for mobile balance .
U can get any time help from customer care they will always help u
Now data plan are very cheep in Idea
Now they are giving lots of offers
Like for three months for 1 months for 75 days.
They are giving 1 gb pr day for 75 days at very cheep price .
Always happy to have idea 4G sim.
