We didn't notice any purple screen niggles during our Lumia 900 review. For some users, however, the purple hue issue is real and not so spectacular. If you're one of those hapless souls seeing purple on your Lumia phone, Nokia recently tweeted that it will release a software fix for the issue -- though it declined to provide details on when the update will drop. For the uninitiated, the purple screen problem reportedly occurs when automatic brightness is turned off and the display is set to "low." The good news for N