10 - 30 minuten
Battery drain (100% in 6-8 hours with everything off). Phone wouldn't shut off and kept restarting on its' own.
I replaced the top two items recommended for my situations. You have to remove the battery to replace dock connector so I only used the dock how-to guide. It went very well. I'm glad Im technically a bit savvy being an auto mechanic. The tiny bits and pieces got intimidating but the guide and the pics helped tremendously. Having the right tools is also 75% of the battle becoming tremendously easier. There were a couple spots clarity on pics and descriptions would've been nicer but not really necessary if you have some technical savvy at least. All in all my phone is not only cured but actually has better cell reception. Not sure why that is but I'm not complaining. All in all a great experience. Definitely making ifixit my first stop for repairs in the future.
Buy the recommended tools and a place to keep all the tiny tiny parts. Egg carton, pill boxes, etc. It's more than half the battle. Play relaxing music and schedule plenty of uninterrupted time so the stress of dropping tiny screws doesn't make you throw what you're trying to fix. And if you have zero ability to use common sense and a little ingenuity when fixing sensitive things like electronics, stay away. Bulls in china stores aren't going to be happy and may wrongfully blame others for lack of patience and proper care. If you're a handy type person a relatively easy task. I was in and out in an hour and I've never opened a cell phone before.