iOS 15.2 is the next update for iPhone. If you have an iPad then it will be the iPadOS 15.2. At the moment, it is available in Beta.
IMG: Unsplash
Apple has almost completed testing iOS 15.2. And here you can check when iOS 15.2 is releasing for everyone.
IMG: Unsplash
iPadOS generally follows the same date as iOS, so the information here will be similar for iPadOS 15.2 as well.
IMG: Unsplash
IMG: Unsplash
iOS 15.2 Release Date
Talking about the iOS 15.2 release date, it is releasing soon. iOS 15.2 beta 3 comes with build 19C5044b. So there can be one more beta with build ending with a.
After the fourth beta, Apple is expected to release RC build and then the iOS 15.2 public build which is expected next week (Dec 6th to Dec 10th).
IMG: Unsplash
Apple holidays may start in third week, so they will try to roll out iOS 15.2 before that. Apple can release two updates in a week (if there is a fourth beta).
IMG: Unsplash
Apple may even skip next beta and directly release the iOS 15.2 Release Candidate this week and iOS 15.2 next week to the public.
IMG: Unsplash
These are estimated release dates and are not official dates. So the official date may vary.