Jio sim is good and free internet and good network and this sim is only use 4g mobiles not working 3g mobiles and good but this internet is not download high apps and videos only browsing purpas this sim and good facebook and whatsup and all xustomer service available and this rc not allow in market plz all mobile shops and rc shops this jio offers gride and rc system in please jio this is charges and billings not idea this is validity is march 31 is over the free offer