Apple recently released their iOS 10.3 software update and yesterday we also saw the new iOS 10.3.1 software update.
If you have installed the updates you may want to check your devices to see if some services that you have turned off have been re-enabled.
Apple has revealed that a bug in iOS 10.3 could have re-enabled some services for some services, you can see what apple has to say below.
We discovered a bug in the recent iOS 10.3 software update that impacted a small number of iCloud users. This may have inadvertently reenabled some iCloud services that you had previously disabled on your device.
We suggest you go to iCloud settings on your iOS device to make sure that only the services you’d like to use are enabled.
Learn more about how to manage your iCloud settings or contact AppleCare with any questions.The iCloud team
Source MacRumors