I used docomo more than 2 years.
there internet service is very nice.
and there 3g service is far better than other oprator.
I suggest all if u want to use your mobile data than docomo is better than best.
there customer care sedvice is also nice when they accidently charge me I complain on customer care.
Thay refund me all my balance.
there network also fine.
thanks docomo for your better service.