I replaced the battery on my grandmothers phone recently (a galaxy s4 or s5 if I recall), and the only 3 apps she used were: - phone - text messages - Facebook

I replaced the battery on my grandmothers phone recently (a galaxy s4 or s5 if I recall), and the only 3 apps she used were: - phone - text messages - Facebook She has no concept of the internet outside of the Facebook app.