如何修复或涂抹防指纹疏油层

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Prepare a wiping finger

Read the next three steps before you attempt the procedure. The oleophobic coating's liquid solvent evaporates very quickly when applied, so you'll need to work quickly.
Wrap one finger in a bit of plastic. You can use a sandwich bag or some plastic wrap.
You will use this covered finger to rub the coating liquid onto the screen. This will prevent your finger from absorbing the liquid.

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