Step 5Inductive Coil
If you didn't mark or remember which wire is which don't worry. As long as you have a multimeter just plug a charger into the phone and test which one is positive and which is negative.
I am doing this instructable after first doing this so I do not have any pictures of pulling the coil off of the old backing... But it is simply like a sticker... Pick a corner pull it up and pull it off... There are two layers the black layer you can see and a silver layer underneath it.
After you have it off just put the back of your phone on the touchstone charger and find a spot where it feels like it fits well. I orginally had mine almost at the bottom but decided that I liked it up a bit more.
You can add a bit of superglue to make sure it goes no where but I found the left over glue from pulling it off worked great.
After you have it mounted place the backing plate on the touchstone and check which lead is positive and which is negative. Then solder you connections accordingly. I didn't put anything over them but if you want feel free to place some electrical tape over it and you are all set.
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