Me last 2 year se use kar raha hu but no problems working very well me vodafone jiska mere area me 2g barabar nahi chal ta use ka internet huawei ke sath chala ta hu but 2g hoke bi ye muje 3g ki speed provide kar ta he ase jese wifi use kar ta hu koi baar download slow ho jata hai but chal ta he accha he or sab se fast he bina kisi dikkat ke chal ta he good product from huawei.