Here is the official Samsung Galaxy S3 (GT-I9300) service manual, if you are brave enough to open the phone – please, read carefully the manual and use
We found these leaked service manuals @ XDA-Developers for HTC Sapphire (HTC Magic) and HTC Quartz (HTC MAX 4G). Download: HTC Sapphire (HTC Magic) HTC Quartz (HTC MAX