Why do you need a new phone anyway ? Even as an Android dev giving a very rough time to my phones, they can easily last 2 years nowadays. If you don't care to

Why do you need a new phone anyway ? Even as an Android dev giving a very rough time to my phones, they can easily last 2 years nowadays. If you don't care too much about fluidity or photography, 3 or 4 years don't seem too long either, as long as you replace the battery.