Samsung Z1
Release Date 2015, January. Released 2015, January
OS N/A
Processor Spreadtrum SC7727S
Battery Li-Ion 1500 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
Z130HDDU0BOB3_Z130HODD0BOB3_INS.zip
298 MB
Z130HDDU0BOK2_Z130HODD0BOK2_INS.zip
362 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