Official Sony Xperia Xz So-01j -docomo Japan- Stock Rom

If you need help gathering the necessary components to get started, let me know. I can help you find the or walk you through the driver setup process . Share public link

Ranging from Android 6.0 Marshmallow to the final official Android 8.0 Oreo update for this model.

The SO-01J variant includes exclusive Japanese features like Osaifu-Keitai (Mobile FeliCa for contactless payments), Docomo Anshin Scan, and localized network tuning. Only the official Docomo ROM retains these capabilities.

often host firmware versions for various models to assist with software issues like boot loops.

Disable (not uninstall) Docomo apps:

Providing these details helps tailor the exact steps for your recovery process. Share public link

: A tool used to download the official firmware files directly from Sony's servers for specific regional models like the Docomo SO-01J

The Xperia XZ SO-01J was launched with Android 6.0 Marshmallow and received two major OS updates. Below is a chronological timeline of significant updates. For general stability, the final updates are the most critical, as they include all previous bug fixes and security patches.

Check current firmware:

Click on the latest available firmware build number on the right panel and click .

What are you trying to fix on your Xperia XZ?

Disclaimer: Flashing software can be risky. Follow all instructions carefully. We are not responsible for any damage to your device. Official Sony Xperia XZ SO-01J -Docomo Japan- Stock Rom

Under the "Wipe" section, make sure to select APPS_LOG , USERDATA , and CACHE to ensure a clean install. Click .

Re-install the device drivers. If you are using Windows 10 or 11, you may need to disable "Driver Signature Enforcement" before installing Flashtool drivers.

A source folder window will appear. Select the firmware from the left panel.