Official Sony Xperia X Performance So-04h -docomo Japan- Stock Rom .ftf For Flashtool

The stock ROM is the factory-original firmware used to restore your device to its out-of-the-box software state. Flashing the .ftf file via FlashTool is essential for fixing software issues like bootloops , removing lock screens, or downgrading/upgrading your operating system. Core Specifications of the SO-04H

A: Yes. However, you may need to disable driver signature enforcement temporarily to install the FlashTool drivers. The stock ROM is the factory-original firmware used

Many users enjoy experimenting with Custom ROMs like LineageOS or AOSP. However, daily driving a custom ROM can sometimes lead to bugs, camera issues, or battery drain. If you wish to sell the device or return it to a stable state, you will need the official Docomo stock firmware to restore the original user experience. removing lock screens