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Use a high-quality, reliable USB Type-C data cable connected directly to a motherboard USB port (avoid external USB hubs). Step-by-Step Installation Guide Step 1: Prep the Firmware File

This comprehensive guide provides the necessary links, tools, and step-by-step instructions to flash the official firmware using Sony Flashtool. 📋 Prerequisites Before Flashing

Using an official, verified stock ROM is recommended because it: your phone if it is stuck in a bootloop.

The purpose of such a document or file would typically be to provide a safe and reliable way for users to:

Sometimes an OTA update fails because of a corrupted cache or incompatible root. A verified FTF allows you to perform a complete “clean flash” (wiping all partitions except the bootloader) to bring the phone back to a pristine, out-of-the-box state.