Fix Redmi Note 9 Pro Stuck On MIUI Logo

Warm up the device to soften the adhesive.

To separate the back cover, use plastic tools, a playing card, isopropyl alcohol and a suction cup.

You can now remove the screws holding the plastic motherboard cover.

Pry the cover free.

Disconnect the battery.

Disconnect all cameras flex cables (x4) and remove them.

Now test the device without the camera.

If the phone starts normally, check and clean main camera connectors.

Check all conductive adhesive tapes and recover them.

Now you are ready to assemble the device.