Hi! I'd like to know your opinion and your recommendation guys. I've had an iPhone 5S for 2 years but I'm thinking about buying an iPhone 6s, here's why: - First of all, the battery. I have to charge my phone battery twice a day (I change its buttery 4 months ago) - Secondly, the screen size. - And third, storage size. My iPhone 5S has 16GB of storage size so If I buy iPhone 6s, I'd buy 64GB. Sooo,What do think I should do ?