Samsung Z4
Release Date 2017, May
OS N/A
Processor N/A
Battery Li-Ion 2050 mAh, removable
⚠️ Important Notice

Flashing firmware can be risky. Follow instructions carefully and backup your data before proceeding. We are not responsible for any damage to your device.

Available Firmware Files

File Name Size Download
Z400FDDU0BRB1_Z400FODD0BRB1_INS.zip
621 MB
Z400YXXU0AQD6_Z400YOJV0AQD6_AFR.zip
524 MB
Z400YXXU0BQG2_Z400YOJV0BQG2_XFE.zip
524 MB
Z400YXXU0BRG1_Z400YOJV0BRG1_XFA.zip
527 MB
Z400YXXU0BRG1_Z400YOJV0BRG1_XFA.zip
527 MB
Z400YXXU0BRG1_Z400YOJV0BRG1_XFV.zip
527 MB
How to Flash Stock ROM
  1. Download the correct ROM file for your device
  2. Install the required flash tool
  3. Enable USB debugging on your device
  4. Boot your device into download mode
  5. Connect your device to computer via USB
  6. Load the ROM file in the flash tool and start flashing
  7. Wait for the process to complete
  8. Reboot your device
Precautions
  • Backup all important data before flashing
  • Ensure battery is at least 50% charged
  • Use original USB cable for stable connection
  • Don't disconnect during flashing process
  • Download ROM only for your specific model
  • Follow manufacturer's instructions carefully