This is to announce 4.4.0.58 SFOS update for Xperia Tama devices: XZ2, XZ2c, and XZ3. Please read release notes and description below before update.
In addition to 4.4.0.58, 4.3.0.15 has been released as OTA release only. It is suggested to update through 4.3.0.15 release. This suggestion is based on the official devices policy and I cannot add much to it. It is possible that direct update to 4.4.0.58 would work just fine, but you may take larger risk in that case.
At the moment of writing (10 Apr 2022) only OTA has had a limited testing. So, early adopters, please report how it went. If someone preferred to flash the image, please report as well. For those wishing to be on the safer side, wait till more users would have a chance to test the release.