Getting on an app’s beta version means access to upcoming features sooner than everyone else, but it could also spell trouble, as these versions of apps aren’t necessarily stable. Crashes and lost data are both possibilities when using a beta. That said, WhatsApp beta users to get early access to features well before the others.
How to Download WhatsApp Beta on iPhone
Uninstall WhatsApp on your iPhone, if you have it. Make sure you backup your WhatsApp data before you proceed, otherwise you will end up losing it completely.
Connect your iPhone to a computer – Windows/ macOS – and launch iTunes on the computer.
Make sure you tell the phone to the trust the computer when prompted.
Verify that the phone is showing up in iTunes, and then quit iTunes. Keep your iPhone plugged in.