"How to repair my Blu phone Life 8 screen that has broken?"に関する回答Hi eytforchrist, You need to replace the LCD/digitizer. Unfortuneately, iFixit doesn't have any guides for the BLU Life 8 at the moment, but at least you can get the parts you need here: http://www.bluphoneparts.com/blu-life-8-lcd-and-touch-panel-black/.
"iPhone 5s 16GB What is this missing component? Is it vital?"に関する回答Hi downoretail, That missing component is your antenna interconnect cable. It is most definitely vital. It's used to connect the your phone's antenna to the logic board. Without it you won't be able to get a cellular signal. You can buy a replacement here: http://qualityrepairparts.com/iphone-5s-antenna-interconnect-cable.html Hope this helps!
"screen will not come on"に関する回答The screen appears to be broken, check out this screen replacement guide: Nintendo 2DS Screen Replacement
"My phone wont turn on or charge. How can I fix it?"に関する回答If it won't turn on or charge, there may be an issue with the battery or charging port. Try testing the battery in another phone if you can. If it works, the charging port may be the issue. If not, then the battery may need to be replaced.
"Picture is just white"に関する回答Sounds like your camera is letting in too much light. Try adjusting the aperture settings.