I am very impressed from this mobile. I have been using this mobile for 5 days. This smart phone having 3GB RAM and 128 GB internal memory. This smart phone having rear camera 16MP Auto focus phase detcection LED flesh and front cammera 8 MP phase detcection auto focus. Now we talk about his connectivety.2G Network: - GSM 1800| 1900| 850| 900MHZ.3G Network: - Yes4G Network: - YesThis Mobile modle like Iphone which is very interesting. This mobile display is 5 inch which is comfortable in keeping in packet. I personally suggest You buy this mobile. This mobile is cheap and filled with many features.