I have been using the redmi note 7 pro for over 4 months now and I must confess The wifi disconnecting problem is very serious, I searched everywhere online but I didn't find anything relating to it... Finally I have found the Easiest and best solution to the wifi disconnecting problem

Check it out below;

https://cyber.ng/2020/09/11/fix-xiaomi-redmi-note-7-note-7-pro-wi-fi/