However, if you are a beta user, you can get early releases to you before it is publically released on the app market.Choose from the wallpaper of your choice from ‘options – chats – wallpaper’. Use different languages You can also type and send messages in the language of your choice.Choose from 11 different Indian languages from the settings.Click here to know how to become a beta tester and get early Whats App updates before your friend does. Know who has read your messages in a group If you are sending messages to a large group, it is difficult to know who has read your message and who has not. When you see a double tick, it means that everyone in the group has received your message.When it turns blue, it means that all have read the message.Head to ‘options’, then ‘chats’ and then ‘app language’. Search messages You can also search for particular message within long chats.If you are part of a large Whats App group, or if you are chatting with a contact for a long time, finding a particular message becomes a task.To become a beta user, all you need to do is register for it online, and henceforth you will receive daily updates with bug fixes, patches and new features before it is even released to be public.These beta versions are for beta testers and becoming a beta tester is free.This can help you in case you change your smartphone, or lose it.You can restore your data back to your Whats App in case you switch to another phone.