If you're still on the fence about picking up a Google Play Edition of the LG G Pad 8.3, Sony Z Ultra, or HTC One M7, you may have run out of time. All three devices are presently showing as out of stock on the Google Play Store. History tells us that once devices go out of stock on the Play Store, they often tend to remain in that state indefinitely.
In addition to things like stock Android and being carrier-unlocked, one of the big features of Nexus and Google Play Edition devices that Android power users love is an easily unlockable bootloader. While OEMs and carriers often make a policy of locking their devices' bootloaders to prevent installation of unauthorized software, Google makes it very easy for us to tinker with devices bearing its brand. All you really need to unlock a Google device is a tool called "fastboot," which is made available through the Android SDK.
In case you haven't been paying attention, there has been a storm of Android 4.4.2 updates for Google Play Edition devices over the past few days. It started Friday with the HTC One and Galaxy S4, and continued yesterday with the G Pad 8.3. Now, it's time for Sony Z Ultra GPE owners to get in on the action. The OTA weighs in at hefty 444 MB and, like all other recent GPE updates, will bring the phone up to date with current Nexus devices at Android 4.4.2/KOT49H.
As soon as the first orders for the Sony Z Ultra Google Play Edition began arriving at users' doors, the bug reports started rolling in. While this always happen with a new handset, two of the issues quickly emerged as critical. To be more specific: