I was buy this sim card last 15 days ago. And there first week is good speed for 4g but after that he is given me speed like 2g I am verh disaplointed like that. I am very confusis so I am check my ahndset setting but tgis is accurate and network also storng but speed is bad. Than call. tgis service also very very bad becz if I wana make call then I want to try atleast 10 times then they call will be connect other wise u r hear one statement. This person is busy.anotge part customer care number . today I tell you I am try call to cc last 4 days and but all customer sullort are busy please hold line hear then I am wating 2hrs but call was not connected cc.tgis jio service is very poor around.