Your phone has nothing to do with your plan or phone number or anything of the sort.It will affect your information in the phone e such as pictures and such
It was actually recommended NOT to do that, since it may cause some issues.Here is a link. You can Google it and find more info on this. http://www.droid-life.com/2013/11/21/android-engineer-explains-why-mashing-check-for-updates-on-nexus-devices-isn...
Try this:https://play.google.com/store/apps/details?id=com.riteshsahu.SMSBackupRestoreSMS Backup & RestoreDescriptionSMS Backup & Restore is a simple Android app that backs up and restores your phone's text messages.- Backup SMS Messages in XML forma...
Google has been updating their devices in batches - yes it has been released for the Nexus 4, but not everyone will get it at the same time to avoid overloading their servers and causing issues. Just be patient and your update will come.
Avoid Go like the plague, it is a memory hog and slows your phone to hellrecommended Launchers are Nova/Apex/ADWif you want a different keyboard, swiftkey and swype are 2 very popular ones. go on the play store and look them up