Is there a fix coming soon for the 4.4.2 KitKat upgrade? If so, when?

Having several issues with my phone. This is the 2nd replacement I'd had in a week, I thought I was having issues because I dropped my first one, so I got a replacement and the first day it was working fine then started having the same issues. So I replaced that one, and the same crap. Data disconnects, sending MMS (receiving takes and hour to actually receive), dim lighting that I cannot fix with even in settings, battery drain from 100% to 30% within an hour and a half. This is the most inconvenient thing I have ever experienced. Please VERIZON/ANDROID fix these issues. For, I am not in the business of paying for a service that I cannot use.