SundarPichai, the Google executive stated at the MWC 2014 about no early release of Nexus 6. He stated that the Nexus 6 will not come out in the first part of 2014. With such confirm words from Google Executive, the Nexus 6 shifts toward the rivalling iPhone 6 and GS5.
Speaking about the previous releases, while LG Nexus 5 witness a Google Play Store release in November 2013, its successor shall debut little earlier. The safe bet will be October or a little later after the iPhone 6 release.
However, till you wait for Nexus 6, another charm to attract Android lovers which is slated for a July release. The schedule is likely to happen at the yearly I/O Developers Conference which Google will conduct in San Francisco on 24th of June. Analyst suggests that Google will use the I/O platform to introduce Nexus 8.
As suggested earlier, the Nexus 8 will replace Nexus 7. As Apple is giving cut-throat competition in the compact tablet sector, Google is doing all possible steps to fight. Thus, Nexus 8 will rival the iPad Mini 7.9inches. for better functions, Google is launching the latest Android version to batter iOS 7, which will be known as build 4.5or Lollipop
If similar Nexus cycle continues with little upgrades, then we can anticipate its release between September and October. The much talked about Android 5.0 called as Key Lime Pie could also be expected during this time period. But nothing has been confirmed till now.