I was forced to upgrade my Z5 to Andoid Nougat because it kept prompting me over and over again to do so, so I begrudgingly obliged.
Immediately after the update by battery began to drain immensely, as in a full charge without being used lasted approximately 2 hours. Bluetooth, which wasn't connected to anything, was accounting for 80% of battery usage but it was still pitiful even with bluetooth turned off.
All help articles are not helpful at all, but I still followed the "Reset Network Settings" advice, which made no difference. Then I backed up everything to Companion, perfomed a factory reset and restored my phone, which only gave me back my files despite having every single box ticked - this is an issue with Companion, not Nougat, but while I'm moaning I might as well do it properly.
Following this reset my battery drain has improved a lot, but is still far worse than it was before I was forced to update. This would be bearable, except now Bluetooth doesn't even work properly.
I now am also unable to connect to my car properly, which is a Ford Kuga with Sync3. Previously I could sync my contacts and messages and use apps from my phone on my car, such as Spotify, but now I can't even access my contacts list. The car itself is fine, so it's clearly just another problem with this phone software.
If new software isn't tested and working then why would Sony force it upon people? Everything was working perfectly before.
Some pictures from my car's display below (sorry, you'll have to tilt your head because this Forum is coded just as brilliantly as the phones, apparently, and is auto-rotating them to landscape), but it works fine with other phones like my wife's iPhone. Other Bluetooth devices are also being glitchy.
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