Sony has rolled out Android 11 April Security Patch for Xperia 1 II. 58.1.A.5.159 Firmware Update is now available for download via OTA. Update Size is 99 MB and is recommended for keeping your device up to date with regular Android Security Patches.
58.1.A.5.159 Firmware Update is confirmed in the regions like Russia and on O2 Carrier in UK. Meanwhile Sony has recently launched Xperia 1 III which will be available from this June 2021 in different regions of the world.
Xperia 1 II 58.1.A.5.159 Firmware Update
Check your device for 58.1.A.5.159 Firmware Update notification as shown below.
As soon as detailed changelog is available, we will post it. If you have updated your Xperia 1 II, let us know.