Fourth in the Nexus series Google's new LG Nexus 4 has plenty to live up to. Android phones have proliferated, but the expectations of Nexus flagships by users and platform enthusiasts have arguably increased even more. Not only do they represent a glimpse into the hardware direction Google envisages for Android, but the promise of the most timely software updates in an OS world growing increasingly fragmented. With the Nexus 4, there's also a resurrected challenge at the carrier model, with some impressively competitive pricing for an unlocked device. Read on for some first-impressions.