For parents prioritize huge storage

Less frequent you need to clean their Whatsapp junks

You can buy your parents 12GB ram and 50x zoom phone, nobody stopping you bro. Likely they'll only use 1% of the phone full potential.

A17 LTE. Very important to have OLED for old people as their eyesight not that great. Storage also 256GB. Official RM799. Can get much cheaper during sales.

Samsung A17 can ady.

Avoid prc phone or you will spend time hunting down which in-built app keep on spam advertisement. Even worse when the x button in add is hidden then mistap cause them to download another ad generating app.