XPERIA 1 III FLASH REGIONAL FIRMWARE WITHOUT UNLOCKING BOOTLOADER

The video provides a detailed tutorial on how to flash firmware on the Xperia 1 III without unlocking the bootloader, specifically targeting users who have purchased versions of the phone not compatible with their local networks (e.g., a China or Taiwan version used in Malaysia). The tutorial is based on a guide from the XDA forum by a user named "for bessie."

Key Steps and Requirements:

• Requirements:
  • Xperia 1 III device
  • Windows PC
  • Reliable USB Type-C cable
  • News flasher (version 5.5)
  • Xperia firmware (version 565)
  • ADB tool for fastboot functionality
• Preparation:
  • Download the necessary tools and firmware.
  • Backup existing data before proceeding, especially if switching from a different firmware.
• Flashing Process:
  • Access the command prompt and navigate to the firmware directory.
  • Prepare the phone by entering the correct boot mode (holding volume down while connecting to the PC).
  • Use the News flasher tool to initiate the firmware flashing.
  • Make selections regarding user data retention based on personal needs (keeping or erasing data).
• Post-Flashing:
  • After flashing, the phone should reboot and ideally show the correct firmware version with features like VoLTE enabled.
• Notes:
  • Users are advised to be cautious and follow the steps closely to avoid bricking the device.
  • The video emphasizes that this method allows for firmware updates without resetting the phone.

Main Speakers/Sources:

• The primary speaker is the video creator, who references the XDA forum and the guide by the user "for bessie."