Wait for the "Pass" or "Completed" message. Disconnect the phone, re-insert the battery, and power it on. Troubleshooting Common Errors
Ensure you are holding the correct boot key while connecting.
Run the Samsung USB driver setup and restart your computer. samsung e1200t flash file repairmymobile
Open your chosen flash tool (e.g., SPD Flash Tool or UFS-3). Load the firmware files into their respective slots (MCU, CLA, and TPS/TFS).
Click 'Start' or 'Write Flash' in the tool. The process should begin once the tool detects the COM port. Wait for the "Pass" or "Completed" message
Hold the boot key (usually the center OK button or Dial button) while connecting the phone to the PC via USB.
Turn off the phone and remove the battery. Insert the battery back in but do not turn it on. Run the Samsung USB driver setup and restart your computer
Common tools for this model include the SPD Flash Tool (for Spreadtrum chip variants like E1200Y) or specialized boxes like UFS-3 or Z3X .
Install the Samsung USB Drivers on your PC to ensure the device is recognized.