Samsung Galaxy S3 i9300 Disassembly & Assembly - Drop Test Repair
New Screens http://tinyurl.com/sgs3screen If you've seen the drop test then you might find this puts your mind at ease for replacing the screen.. Metal Frame Swap http://youtu.be/_70-W9JjVjg DIY repairs will void any warranty but may save you money :-) FAQ: Can I just replace the glass screen as its only $20? If you follow the link below you'll see it can be done http://youtu.be/aZuiCsAtThw Here are some high resolution scans to help identify the parts: Mainboard & Parts 3Mb http://tinyurl.com/mainboardparts Antenna Connections 1Mb http://tinyurl.com/sgs3antenna Screen Back 3Mb http://tinyurl.com/screenback Replacement Screen http://tinyurl.com/replacment-screen After some experimenting I can confirm W1 is for GSM/3G and W2 is for Wi-Fi. The white antenna cable is for Wi-Fi only. Shot with a Panasonic HDC-SD700