1. Choose OPS file.
2. Check flashing options if needed (Use one package file, PDA format, EFS clear, Boot update).
2. Choose correct flash file(s).
3. Power on phone in download mode (turn off phone, hold Volume Up + Volume Down + Power or
   turn off phone, hold Volume Down + Power.)
4. Connect phone to PC with USB cable, install drivers if needed.
5. Press "Flash" button.