Reliance jio phone is a good phone and a budgets mobile . we all know that this is a 4G device with front and rear camera and we also that is a long battery life but it is only a drawback which is that it cannot support all types of network SIM it is only support the jio 4G network . so in this way this mobile is not good . we all know that in line all user not use jio so jio company must be update this for using all sim for all network