"Data Recovery Issues after restore"に関する回答Use free tool called Disk Drill, to recover your deleted videos. It's very important to preview your files before recovering. http://download.cnet.com/Disk-Drill/3000-2094_4-76277044.html
"iPhone 5s fast battery drain and overheating"に関する回答I have the same problem, I own my iPhone 5s almost 2 years
"How can I clean my 1 TB Mac hard drive?"に関する回答I would recommend you to use special software, there are many solutions! I use Disk Cartography, found it on appstore.