Haven rolled out updates to the Redmi 5 Plus, Redmi 5, Redmi S2, Redmi K20 Pro, Mi 9, and Mi 6, is now Mi Mix 3 5G receiving a stable update. The new stable update is currently being rolled out to Xiaomi Mi Mix 3 and is coming with a version number MIUI 10.3.19.0 PEMMIXM. It’s based on Android Pie, weighing about 1.9GB and is now available for public users to download.
After flashing the last Stable update on your Mi Mix 3 5G, the Android Security Patch will be updated to July, improving system stability. It also improves syncing across multiple devices for Mi Cloud. Apart from the changes which appeared on the Changelog, the battery performance got some improvement while operations on the device is now much smoother.
To download the MIUI 10.3.19.0 PEMMIXM stable, you’ll have to navigate to updater app and scan for the update. You can also download the recovery from here (1.9GB) and fastboot by following this link, (2.5GB)
Note; make sure to backup your data before the commencement of any MIUI ROM flashing. You can follow this link to learn a deatiled guideline on how to flash MIUI ROMs.