Download Redmi S2/Y2 (ysl) 8.6.21 MIUI Weekly Full Rom

The Weekly update 8.6.21 has been officially released for Redmi S2/Y2 (codename is ysl). Before updating, please make sure you have downloaded the exact ROM matching your Xiaomi phone/tablet. In Fastboot mode, you can check model code by typing fastboot getvar product in cmd/shell.

The firmware files posted here are all official Xiaomi MIUI or HyperOS ROM, xiaomiROM.com do not own and never modified those firmwares，you will always download the file from Xiaomi server.

You may interest in those contents: Redmi S2/Y2 ROM Topics Xiaomi Devices Index

China Recovery ROM

Download Redmi s2 (ysl) China MIUI 8.6.21 Recovery ROM with Android 8.1. Firmware size is 1.6 GB.

MIUI Version: 8.6.21
MIUI Code: N/A
Android OS: 8.1
Region: China
Device Name: Redmi s2
Device Codename: ysl
Type: Weekly
Flash Method: Recovery
Size: 1.6 GB
Release Date: 2018-06-21
Filename: miui_HMS2_8.6.21_c37bf6a468_8.1.zip
MD5: c37bf6a468149ea79f59c9b363833ac0
Download: Xiaomi Server #2 Xiaomi Server #3 Xiaomi Server #4 Xiaomi Server #5

China Fastboot ROM

Download Redmi s2 (ysl) China MIUI 8.6.21 Fastboot ROM with Android 8.1. Firmware size is 2.4 GB.

MIUI Version: 8.6.21
MIUI Code: N/A
Android OS: 8.1
Region: China
Device Name: Redmi s2
Device Codename: ysl
Type: Weekly
Flash Method: Fastboot
Size: 2.4 GB
Release Date: 2018-06-21
Filename: ysl_images_8.6.21_20180621.0000.00_8.1_cn_a37d0eff69.tgz
MD5: N/A
Download: Xiaomi Server #2 Xiaomi Server #3 Xiaomi Server #4 Xiaomi Server #5