Xiaomi’s MIUI gets updated bi weekly including closed beta on every Tuesday and public beta on every Friday. Last Friday Xiaomi updated many of its devices including to MIUI 8.1.18 version and brought January security patch along with a few fresh changes to devices. We noticed the January security patch on Redmi 4 and Redmi Note 4. Let’s have a look at changelog mentioned officially on Mi Community, Gallery New - Optimize local storage to free up space (01-16) System (Full display devices, Mi MIX, Mi MIX 2, Redmi 5, Redmi 5 Plus) Optimization - Animation for the Back gesture on full-screen devices (01-17) Optimization - Full-screen gestures as an alternative for screen buttons (01-17) Optimization - A separate guide for full-screen gestures (01-18) Fix - Full-screen gestures didn't work properly after rebooting (01-18) Battery Fix - The battery level is incorrect on status bar (01-16) Fix - Battery is draining very fast when the device is in idle mode (01-16) Camera Fix - The camera interface is not displayed correctly when the language is Arabic (01-16) Settings Fix - There are two Security in Accessibility settings (01-16) Line Fix - Line ANR when using Bluetooth headphone for Line calls (01-16) Apart from the above mentioned changes ... 
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