It’s here! We're so excited to bring MIUI 6 to Redmi 1S, and over the next few days many of you will be able to progressively receive the update over-the-air (OTA) on your phones. Do let us know your thoughts and any feedback you have, and share this piece of news with your other buddies using Redmi 1S!
Download the stable ROM here (j.mp/Redmi1SMIUI6 ) if you prefer to flash your own phone.
Following IS Flashing guide