The plastic frame made installation very easy. This is the first time I haven't had blisters! Thank you! Another key is to clear the screen properly. Wet, then dry, then a microfiber cloth, then sticky paper to remove any remaining detail, especially the microfiber cloth. It has rough edges that can leave fibers. They are absorbed by sticky paper stickers on the back. Hold the protective film sticky side down when removing the clear protective film. So no dust can get on it. Then align the protector with the plastic frame and carefully lower it down. Don't press it until the entire surface is in contact, you shouldn't have any more bubbles. If there is grease or stains, it does not stick to these places, it must be cleaned well. As a squeegee with a card, I'm a kit or use a credit card to iron it out.
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