Download MIUI V12.0.3.0 China Stable Fastboot ROM for Mi 10 Lite Zoom from here.
File name: vangogh_images_V12.0.3.0.QJVCNXM_20200620.0000.00_10.0_cn_cd89596665.tgz
Device: Mi 10 Lite Zoom China
Codename: #vangogh
Region: China
Version: V12.0.3.0.QJVCNXM
Android: 10.0
Size: 4.0 GB
