I am using Airtel Wi-Fi from last one year it is a data automatically get deducted in a in high value I actually complain lot of time to customer care in Airtel provider they said me that due to your users that its commonly used by yourself only when they cannot be help me about it but overall the network and always ok rather than I can recommend everyone to take this if they are going somewhere out and all with family friends and like on tape is it the battery backup is good actually its take 9 continuous hours to get the battery low so I wish its ok