: Power off the phone and open the Z3X Samsung Tool software.
| Error Message | Solution | | --- | --- | | | Reinstall VCOM drivers. Use a USB 2.0 port. | | STATUS_SEC_INSUFFICIENT_BUFFER | Change the USB cable. Disable driver signature enforcement on Windows. | | PMT changed for the ROM | Click "OK" in SP Flash Tool, then choose "Firmware Upgrade" instead of Download. | | Device not detected | Try different key combinations (Vol+, Vol-, or no key). Check battery connection. | e1200m flash file exclusive
Essential for users in specific regions requiring non-standard scripts. : Power off the phone and open the Z3X Samsung Tool software
"I have the exclusive bin," the message read. "Clean, verified, fixes the UART communication hang. Use the Z3X tool and keep the battery at 50%. If this doesn't work, nothing will." | | STATUS_SEC_INSUFFICIENT_BUFFER | Change the USB cable