At least you got this process. This is a preview and nothing more, I don't get all this thinking you were getting a gold version of the next OS release. No where on this site did they say the preview was the RTM or gold version. Reading comprehension is key to everything and a lot of people lack it on here I see. RTM is for manufacturers and MS doesn't have any obligation to release to you in a preview the RTM in a developers program. Some of you think way to high of yourselves and think you should be given everything solid gold. I'm glad MS shows some of you that when it means preview for developers it means developers, not you joe consumers that just want something first to stroke your e *****.
If this went on your daily driver and you are having problems boo hooo, I have a tiny violin for you. If you read the warning like most don't you don't play with previews on daily drivers unless you plan to really tinker and develop apps with it. I'm not worried about MS WP8.1 update just ignorant joe consumers that fail to realize that a preview for developers is not an instant update toy. As a Developer even I knew this wasn't going to be good as the RTM from the OEMS especially without the firmware to back it up. Can't tell most of you that though because of the blind "I get the wp8.1 update first frenzy". IMO I think it would have been best for MS to offer this limited numbers and let most wait for the official release from the OEM's that have the included firmware.