Flashing instruction "OSS Based"

U must on Firmware a11

From Encrypt to Encrypt

• Go to Recovery
• Flash ROM and Format Data

From Encrypt to Decrypt

• Go to Recovery
• Flash ROM
• Flash DisableForceEncryption
• Format data

From Decrypt to Decrypt

• Go to Recovery
• Wipe cache, dalvik, and Data
• Flash ROM
• Flash DisableForceEncryption

Note : if you want go back to non oss based, you have to flash MIUI ROM and Flash Cusrom as above