lexasay

I was wondering if this product is a good catch considering the features and great reviews that this product have, what do you think guys? 

http://www.bestbuy.com/site/wd-easystore-8tb-external-usb-3-0-hard-drive-black/5792401.p?skuId=5792401

I have noticed that my iPhone 5s drains its battery too fast and with that, I can't use it. I have this phone for more than 2-years now and this is the first time that it happens. I usually update all the apps and the iOS. Is it possible for me to fix it or should I just replace it with a new mobile device?