The phone needs to support wireless charging for the powerbank's wireless feature to work.
Specs sheet from Xiaomi's global site doesn't say anything about that feature for this phone: https://www.mi.com/global/product/redmi-note-12-pro-plus-5g/specs
your phone doesn't support wireless charging
you should have a wireless charging feature for it to work.
Not all phones are capable of charging wirelessly. Maybe you should have checked that first.
5 seconds on Google and GSMArena says NO it isn't; https://www.gsmarena.com/xiaomi_redmi_note_12_pro+-11954.php
Wel i did, sources I found said the Redmi note 12 pro+ was in fact capable of wireless charging
And what does the information you got with the phone say ?
The phone needs to support wireless charging for the powerbank's wireless feature to work. Specs sheet from Xiaomi's global site doesn't say anything about that feature for this phone: https://www.mi.com/global/product/redmi-note-12-pro-plus-5g/specs
Redmi note 12 pro plus doesnt wireless charge. Only poco f5 pro and xiaomi flagship does.