You can move all your WhatsApp messages to a new phone, whether it's an iPhone or Android, as you're first setting it up.
Simply moving photos from any smartphone to the Galaxy S10 is simple. All you need is a computer, and either a Mac or a PC will do the trick.
Unboxing a new iPhone shouldn't make you anxious about whether your information will safely transfer to the new phone. These are the ways to do it easily and safely.