download 1St Step: Download Update Your Targeted Model Firmware/Stock Rom. 2nd Step: Rename Zip Stock Rom firmware (Update.Zip). 3Td Step: Charge Your Smartphone Battery At least 50% Batter. 4Th Step: Need Your SD Card (2GB,4GB,8GB or Up) 5Th Step: Format Your Memori SD card. 8Th Step: Download Stock Rom From your computer in Memori card (SD Card) 9Th Step: Inset Memori Card in smartphone. 10Th Step: Power Off your Smartphone. 11Th Step: Press Home Key + Power Key + & Press Volume – Or Volume +. 12Th Step: Flashing Mode (Recovery Mode) Press Volume – OR + For Move Highlight. 13Th Step: Press SD Card Update Button. 14Th Step: Select update.Zip Option. download