I am new to cellphones. I have a Nexus 5 and got my Android 5 yesterday morning. I downloaded and installed. I had a variety of problems, one being no email, and it seemed, well, not good. I wasn't sure what backup and restore actually does. I wasn't sure a couple of my apps that were paid for would restore.
This morning I just went ahead and did a factory restore. It took about an hour. All the apps I'd paid for restored. My contacts transferred and as far as I can tell only one is missing and I have no idea why.
Android 5 seems to run better and is cleaner with a factory restore. If you're having problems you might want to consider it. Some of the people here who know more than I do, which would be just about everyone, have recommended a factory restore and, for me, it was good advice.
This morning I just went ahead and did a factory restore. It took about an hour. All the apps I'd paid for restored. My contacts transferred and as far as I can tell only one is missing and I have no idea why.
Android 5 seems to run better and is cleaner with a factory restore. If you're having problems you might want to consider it. Some of the people here who know more than I do, which would be just about everyone, have recommended a factory restore and, for me, it was good advice.