Assalamu Alaikum, I have a Redmi Note 9 display (new), it was not used, only installed once to check. Later it turned out there was no problem with the display, but some other issue with the phone. However, I had already bought the display, and since the phone's issue wasn't the display, I don't need it anymore. I will sell it at a very low price. If anyone needs it, please kindly contact me.
You can just take it from me, give the shopkeeper their service charge, and get the display installed, which will save you a lot of money. Hope InshaAllah.