Guides I've Contributed To
Samsung Galaxy S III Broken Front Glass Replacement
I found that the best technique here (if using the tape shown in the picture) is to cut a piece longer than you need. Leave the backing on the tape. Then, start on one end and place the tape like normal. This will result in extra tape dangling on one side. If you touch the sticky side of the extra tape, it will stick to your finger and separate from the paper. Pull the paper off, and then cut the tape to the correct size.