Hi bozza241
welcome to the Apple (user-to-user) Community!
Re: "left air pod does not work" : "i have just tried the procedure of reconnecting to my phone
but can no longer connect. so i have two issues now."
Apple Support have articles online that may help you:
What to do : If your AirPods won't connect - Apple Support
and
If your left or right AirPod isn't working - Apple Support
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If help is still needed: You can check that your iPhone has the latest iOS update installed:
About iOS 16 Updates - Apple Support says iOS 16.6 is the latest version.
Your Airpods firmware should update automatically if needed:
You can check which firmware version you have: About firmware updates for AirPods - Apple Support
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If you find a firmware update is available:
You could leave Airpods connected to power overnight with the iPhone (connected to wi-fi) close by,
so that the firmware update can take place.
More info. / support / contact:
AirPods SupportWebsite:
Find all the topics, resources, and contact options you need for your AirPods....
AirPods Support - Official Apple Support
All the best :-)