Redmi A3 Screen Replacement

Using a hair dryer instead of a heat gun or heating pad may cause damage to other components.

Disassemble the phone as described in the user manual.
The screen is held in place by two clips on either side. Gently pry these open using a plastic spudger.
Disconnect the screen connector from the mainboard.

Step 1 | Remove SIM

Remove the SIM card from the SIM slot to prevent damage.

Push on the SIM ejector tool to release the SIM card.
Gently pull out the SIM card from its slot.

Step 2 | Heat the adhesive

Use caution with a hair dryer as it can be less precise.

Heat the edges of the back cover and camera cover using a heat gun, heating pad or hair dryer.

Step 3 | Pry open the back cover

Prying the back cover may damage components.

Insert a thin piece of plastic under the back cover and pry it open by dragging around the edges.
Continue to carefully pry under the camera cover.

If adhesive is too tough, reapply heat as needed.

Step 4 | Remove back cover

Careful handling required: risk of damage to components.

Remove the back cover of your phone, taking care not to break the glass.
For glass back covers, use a suction cup or duct tape to avoid cracking.
Use adhesive remover or scrape off remaining adhesive carefully.

Step 5 | Unscrew frame

Unscrew the phone's using a small Phillips screwdriver.

Careful not to lose any of the screws.

Step 6 | Remove frame

Be cautious: some users may overlook the lock button/fingerprint sensor.

The phone frame should detach without much effort.
Disconnect the lock button/fingerprint sensor connector before proceeding.

Step 7 | Remove battery

Disconnect the battery.

Peel off the orange sticker, separating it into parts labelled A (sides) and B (middle).
Pull on part A to release the sticker from the battery.

Remove the battery along with the remaining sticker. Do not dispose of the sticker as it may be needed later.

Step 8 | Disconnect screen

Disconnect both screen connectors by unplugging their respective cables.

Step 9 | Remove screen

Risk of injury from broken glass fragments — take precautions.

Apply duct tape to the screen to prevent loose shards during removal.
Heat the adhesive and carefully pry the screen off the phone using a suitable tool.
Remove any remaining adhesive residue from the phone's surface.

Step 10 | Glue and connect new screen

Apply a small but sufficient amount of phone adhesive along the edges of the phone.

Avoid touching the front camera during this process.

Place the new screen assembly onto the phone, ensuring proper alignment.
Securely connect the screen using the provided connectors or cable.