: One of the final stable open-source archives for this model is version 41.3.B.1.140 , released in late 2018. Why Users Seek the Stock ROM Today
Version 41.3.B.1.140 (common for later updates). Official Sony Xperia XZ SO-01J -Docomo Japan- Stock Rom
: A standard software for flashing .ftf firmware files onto Xperia devices. : One of the final stable open-source archives
was manufactured by Sony Mobile Communications specifically for NTT DoCoMo. : "Kagura". Official Sony Xperia XZ SO-01J -Docomo Japan- Stock Rom
Can I flash global Xperia XZ (F8331/F8332) firmware on SO-01J? A: No – modem and partition layout differ. Stick to Docomo SO-01J builds.