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Did not change any settings and have checked and all ok
Have tried changing turning the ringtone on and off and changing the sound and powering phone off but it did not work
I have seen a note about the problem being caused if iphone and watch used at the same time which I have done but have not seen any solutions
Looking for help
thanks in hope
iPhone 11 Pro, iOS 16
Where notifications appear
Notifications appear on your Apple Watch or iPhone, but not both.
If your iPhone is unlocked, you'll receive notifications on your iPhone instead of your Apple Watch.
If your iPhone is locked or asleep, you'll receive notifications on your Apple Watch, unless your Apple Watch is locked.
Some apps, such as the Noise app, are only available on your Apple Watch. Notifications for these apps won't appear on your iPhone.
The red notification icon 
will appear at the top of your watch face when you have unread notifications. If you want to hide the notification icon, open the Apple Watch app on your iPhone, tap Notifications, then turn off Notifications Indicator.
When you read or dismiss notifications on your Apple Watch, they'll also be also dismissed from your iPhone.
Where notifications appear
Notifications appear on your Apple Watch or iPhone, but not both.
If your iPhone is unlocked, you'll receive notifications on your iPhone instead of your Apple Watch.
If your iPhone is locked or asleep, you'll receive notifications on your Apple Watch, unless your Apple Watch is locked.
Some apps, such as the Noise app, are only available on your Apple Watch. Notifications for these apps won't appear on your iPhone.
The red notification icon will appear at the top of your watch face when you have unread notifications. If you want to hide the notification icon, open the Apple Watch app on your iPhone, tap Notifications, then turn off Notifications Indicator.
When you read or dismiss notifications on your Apple Watch, they'll also be also dismissed from your iPhone.
Things were different before and I am not sure why they have changed
Doing some research
thanks
Not getting sound alerts on my iphone 11pro and Apple Watch (SE GPS + Cellular) when screen is locked
