MIUI 7 (Stable) Update is started rolling out in Asian Countries, The Version of this update is 18.104.22.168 (KHIMICH) | Stable. The Update shall be available for Redmi 2, Xiaomi Mi 4i, Redmi Note 2, Xiaomi Mi 4, Xiaomi Mi Note, Xiaomi Mi Note 4G, Xiaomi Mi Pad, Xiaomi Mi Note Pro and possibly for Redmi 1S also. After starting first manufacturing unity in India, Xiaomi (Mi) has released this update.
After the official announcement, update was available for almost every device in the range as developer ROM. The last update which can be downloaded as stable ROM from Xiaomi Website is MIUI 6 and comes with the version V22.214.171.124.KXDMICH（MIUI6). The MIUI 7 (Stable) update has been started rolling out and will be available for all devices soon. The main feature of MIUI 7 is possible customizations with the theme.
The size of MIUI 7 update is 110 MB and you can download this update from mobile connection as well along with a high speed WiFi connection.
Those who can’t wait for the official update of MIUI 7 can download Version: 5.8.28(MIUI7) (Developer ROM) from official website of Mi. Otherwise the update shall be available for the other devices very soon. Possibly by the end of Next month all users of Mi will get this update on this mobile phones.
Especially it was noted at some point of scenario that most of the updates have been started rolling out from the Redmi Note 4G mobile phone, although there is no perfect official clarification regarding this