Wife and I are shopping for a new carrier and new phones. I'm getting another iPhone. I've had one since the 3G and like other Apple products I own, it stays out of my way and lets me get work done.
But she has Samsung devices, Tablet & Phone, but every time we went in to ask questions there was someone in front of us returning a Samsung S4. Well we noticed something. We've gone to 6 different stores and every time we waited the person in front of us was returning a Samsung device, less than 30 days old, and requesting a swap for something different. Some seemed to get a HTC phone, other elected to dump Android and go to Apple.
When we asked sales people about it, more than one told us right now to get the HTC or even Motorola over Samsung at the moment. Apparently while Samsung has a since marketing campaign, their quality control has suffered. As result they are seeing a lot of returns because the phones don't work.
The other thing with the S3 and S4 is that the phones are frankly larger than what she wants to carry. They have an S4 Mini, but she is afraid it will be like her SII and suffer from lack of updates.
I believe she had an early HTC and had problems with it before her Samsung. It's enough that she's now debating switching to an iPhone 5S.