One of the things users complained about when it comes to the HTC One is the lack of a microSD expansion slot. 32GB might not be enough for the needs of (a select, we’d boldly add) few. We know the phone was launched in both 32- and 64GB flavors but the larger capacity variant’s availability wasn’t specified beyond the vague “select markets”. According to AT&T, the US carrier will be such a select market; apparently you’ll be able to grab the 64GB HTC One as an exclusive in the States through AT&T, alongside the 32GB flavor which will also be ...