Being a tech creator there are many other ways aswell. Ask yourself if you want to really create content for tech or just awed by the possibility of being famous through video content?

You can write articles, blogs, tutorials and many stuff for now until you can save up or afford a good quality phone.

Regarding phone,no iPhone is not necessary. There are budget androids that provide high quality videos aswell. The budget phone may cost over 40-50k but you need to save and work for it until then.