Sony Xperia XZ SO-01J is the specific Japanese carrier variant of the Xperia XZ flagship, released exclusively through NTT DoCoMo
Flash the ROM:
Unrooting: Flashing the stock ROM removes custom recoveries and root access, restoring the device to an official state. Official Sony Xperia XZ SO-01J -Docomo Japan- Stock Rom
There are several scenarios where hunting down this specific firmware becomes necessary: Sony Xperia XZ SO-01J is the specific Japanese
Docomo released several incremental updates. Common final Android 8.0 build numbers for SO-01J include: Android Version: 8
The SO-01J variant was physically distinct from its global siblings due to Japan’s unique mobile infrastructure. It came equipped with FeliCa (NFC integration for Japanese e-money and transit cards) and a dedicated TV antenna for 1-Seg digital broadcasting. These hardware features required a specific software branch—the Stock ROM—that global models simply did not have.