New Delhi, July 3 -- Texting has changed a lot over the years. What started as simple SMS is now a world of group chats, GIFs, and high-res photos. If you have an Android phone, you might not realise your default messaging app has quietly levelled up too. The reason is RCS, or Rich Communication Services, which is slowly replacing old-school SMS and MMS with a much richer experience.

Think of RCS as texting on steroids. Instead of just sending basic texts, you get features like read receipts, typing indicators, and the ability to send crisp photos and videos without worrying about file size. It all works over Wi-Fi or mobile data, so you are not limited by your mobile network's old restrictions. It feels a lot like WhatsApp or iMessage, ...