Hi Redmi 5A Users,
MIUI 9 Global Stable ROM V188.8.131.52.NCKMIEK has been released for Redmi 5A. This is currently pushed as OTA and you will get it via the Updater app. Check your Updater App for the OTA and if you need the full rom download links, you can get it from here. Don't forget to check the changelog and see the changes in this update.
Redmi 5A V184.108.40.206.NCKMIEK
Recovery ROM | 1192 MB | 05a8a3da8b94bbf5e6f129e46bc563e0
Fastboot ROM | 1742 MB | f0b39c81a9278c5dea2d99c8568e1c1f
For flashing the Fastboot ROM you need to download the MiFlash tool. You can download the flash tool from Here Else you can flash the Recovery ROM.
Also, you need to unlock your device if you are flashing the Fastboot ROM. Please read the Flashing Guide - Click Here
Note:- Please go to "Updater" and choose full package zip file to upgrade. If you are updating from other ROMs, please don't forget to backup and wipe all data before flashing to avoid data conflicts. Use Clean All option in the new Mi Flash Beta Tool while flashing to perform a full wipe and fresh install.