Have you noticed you’re newly purchased HTC One S from T-Mobile battery draining faster than you thought it would? If so then you’re not alone. T-Mobile has acknowledged that there’s a problem with Wi-Fi calling and battery-life. It looks like a quick fix is on the way. T-Mobile and HTC should have the OTA ready to go shortly. We’re not sure when this fix will be ready but we’ll surely let you guys know when it’s ready.