Step	Action	Key Focus / Note
I. Preparation
1	Power off the device.	Essential safety step.
2	Wash hands thoroughly.	Prevents oil/dirt transfer.
3	Remove the protective boot (rubber case).	Peel gently from the edges.
4	Clean the device body and the inside of the boot.	Use a general cleaning wipe, not the screen solution.
II. Old Protector Removal
5	Lift an edge of the broken screen protector.	Use a non-metal object (e.g., plastic card).
6	Peel off the old protector completely.	Discard safely.
III. Screen Cleaning (CRITICAL)
7	Wet Wipe: Clean the entire screen with the provided "Wet Wipe" or solution.	Removes smudges and residue.
8	Dry Wipe: Polish the screen with the microfiber towel (Dry Wipe).	Ensure no streaks or moisture remain.
9	Dust Check: Use the dust removal sticker(s) to tap and lift any remaining lint.	Check screen under light; do not touch the screen.
IV. Installation
10	Peel the protective film (Adhesive Side / "Step 1").	Hold the new protector by its edges only.
11	Align and Apply the new protector onto the screen.	Use speaker/camera holes for perfect alignment.
12	Smooth out bubbles from the center outward.	Use the bubble card or clean plastic card.
13	Remove top film (if present / "Step 2").
V. Finalization
14	Power on the device and test touch screen function.	Ensure full responsiveness.
15	Reinstall the protective boot.	Check for proper alignment around all ports/buttons.