May 2018 Security Update 47.1.A.12.179 For Xperia XZ1, XZ1 Compact and XZ Premium: Sony is now on a roll.They have started releasing the latest May 2018 security updates to their devices.First Xperia XZ, XZs and X Performance received the update then Xperia X and X Compact got the May 2018 update and now all the XZ devices have started receiving it.This is really an awesome news as Google released this patch update yesterday to its Pixel phones.
This Update is available Via OTA (over-the-air). If your Xperia XZ1, XZ1 Compact and XZ Premium is not rooted or its bootloader is locked then you may have already received the update as an OTA. To manually check, Go To Settings > About Phone >System Update. But if your Xperia XZ1, XZ1 Compact and XZ Premium is rooted or its bootloader is locked, then you have to manually Flash / Install Android 8.0 On Xperia XZ1, XZ1 Compact and XZ Premium.
There are two types of Android Software Updates 1) Major Updates like Newer Android Versions Oreo 2) Incremental Updates (Security Patch Updates). Security patch updates are very important for Android devices as they come with many fixes of security issues which keep the device safe from malware attacks.
Other than this, it should be noted that the latest update comes with the May 1st, 2018 security patch which is the latest security patch released by Google. Note that if you haven’t received the update, you will get the May 2018 Security Update 47.1.A.12.179 OTA update on your Xperia devices in the coming days.
The update brings some bug fixes which were present in the previous build. Along with the minor fixes, It also brings stability and performance improvements.The update is based on Android 8.0 Oreo and comes with 1st May 2018 Patch.Thus, you should download and install the update to your Xperia XZ1, XZ1 Compact and XZ Premium.