Press and hold the power button until the power options appear. Select 'Power Off' and wait for the device to completely shut down.

Using a plastic opening tool, gently pry open the back cover of the phone. Start from the corner and work your way around the edges until the cover is completely detached.

Locate the battery connector and use a spudger to carefully disconnect it from the motherboard. This will ensure no power runs through the device during the repair.

Use a heat gun or hairdryer to gently heat the edges of the screen. This will soften the adhesive holding the screen in place. Do not overheat to avoid damage to the internal components.

Place a suction cup on the screen and gently pull to create a gap. Insert a plastic opening tool into the gap and carefully work around the edges to detach the screen. Be mindful of any cables connected to the screen.

Once the screen is loosened, carefully lift it to access the display cables. Use tweezers to disconnect the cables from the motherboard.

Connect the new screen's cables to the motherboard. Once connected, gently press the screen into place, ensuring it is properly aligned with the device's frame.

Apply adhesive strips or glue around the edges of the new screen to secure it in place. Ensure the adhesive is evenly distributed to prevent any gaps or loose areas.

Reconnect the battery connector to the motherboard. Power on the device to test the functionality of the new screen. Ensure the touch and display are working properly.

Align the back cover with the phone and press down firmly until it clicks into place. Ensure all edges are securely fitted.