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

Fixing "Unknown IMEI" errors or baseband issues that affect network connectivity. How to Install the SO-01J Stock Firmware

Using XperiFirm (embedded in Flashtool): Official Sony Xperia XZ SO-01J -Docomo Japan- Stock Rom

Moving between Android 6.0 Marshmallow, 7.0 Nougat, and 8.0 Oreo versions. Fixing "Unknown IMEI" errors or baseband issues that