hi all , m using bsnl evdo on data card zte ac 8700 without sim card since 2009 , yesterday my data card is dead, so I want to change it with new data card, is it is possible to use any good Huawei data card wid my existing plan, becoz bsnl people saying dat its not possible to change data card u have to buy same data card ( zte 8700) if u want to retain the same plan. so plz help me in this