1. Backup your data and backuprestore.apk.
2. Download brush pack (A850 MIUI V5.12.30.zip) and save to SD Card
3.Download Lenovo A850I recovery (CN language)And A850 recovery (EN language):
Todo:
1. Flash rom Lenovo A850 s203: http://www.needrom.com/download/feb-2014-s203-flashtool-ready/
2. Reinstall Framaroot, unroot and reroot.
3. Install Unclemobile, install A850 recovery for read info, and then install A850I to flash brush pack.
4. Boot to recovery mode, install A850 MIUI V5.12.30.zip
+ Wipe data / factory reset.
+ Wipe cache partition.
+ wipe Dalvik cach.
More brush pack visit: https://translate.googleusercontent.com/translate_c?depth=2&nv=1&rurl=translate.google.com&sl=auto&tl=en&u=http://m.romjd.com/device/lenovo-a850 All done, bắt đầu vọc.