Xiaomi yesterday announced the MIUI 6 timeline for all Xiaomi devices ever sold in India. The first one in line is Xiaomi Mi3, followed by Redmi Note 4G, Redmi Note and Redmi 1S. The new MIUI 6 will bring major design changes adding loads of vibrant colors and flatter looks. Several new features including notification handling has been added as well. Mi3 owners can update to this new ROM using any of the three ways mentioned below. 
Wait for the OTA Update
The OTA update is scheduled to arrive very soon in India. If you are a basic user and don’t want to be bothered by flashing a new ROM and other complicacies, this will be safest hazel free way for you. Luckily you won’t have to wait too long. Xiaomi announced the update to arrive in early February and our sources state that the roll-out can start any day now. To manually check for updates, you can go to Settings >> About Phone>> System update
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Download and Flash MIUI 6
If you are impatient and don’t want to wait for the OTA to be released, you can update yourself using your PC and some basic skills. The stable ROM for Indian Mi3 is available on Xiaomi official forum page with easy to follow step by step instructions compiled in a flash guide. 
To successfully flash this ROM all you need is to download the ROM for your MI3 which is 307 MB in size and Flash it using MIUI Flashing Tools. Proceed to the forum page to view step by step instructions.
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Take your phone to the Service Center
If you think you might screw things up and don’t feel confident in flashing MIUI 6 yourself, you can always approach Xiaomi service centers. The company reps will help you install MIUI 6 on your Mi3 without any charges. The whole procedure will be over within 30 minutes. So if you have a Xiaomi service center near your place, just feel free to walk in.
