Hii friends today iam telling about this mobile phone vivo v7 about this product 4 gb ram 64 gb internal features are very good but one thing is high cost vivo v7 mobile product.may intensection on that mobile phone is high cost low performance compare to the other products this is the high cost product battery back up is also very low in this product. Main disadvantage in this product only battery back up if charge two hours mobile phone after if use mobile phone short time battery low this product