Just a quick update to say that I appear to have fixed this, with a little help from the Gemini AI. My code now monitors the BLE connection and, in the event of disconnection, restarts advertising. This has provided an almost bomb proof connection - although my friends Samsung has to be reset if some hours have elapsed since it last connected. Am assuming that this is a phone-specific issue. Thanks again al for your help…now on to the next stumbling block!
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