For those who don't want to spend a lot of money on their smartphone, but still want a variable camera and don't want to do without battery life, the Umidigi Power 3 could be a tip. You can find out in our review whether the mobile phone is convincing in everyday use.
https://www.notebookcheck.net/Umidigi-Power-3-Smartphone-Review-Cellphone-with-Giant-Battery-and-Wide-angle-Camera.462341.0.html