How to change BeReal profile picture from photo library?

here's beryl app if you tap on your profile picture in top right and tap on three dots there then you can tap on camera icon and then you can change your profile picture from photo library so you can just give access and then you can just upload your picture oh from your photo library and then that's basically it so something like that then if you're not happy you can just easily delete it you can upload also it from your camera