Hi, not sure if you have already tried this but recently I changed my libre 2 plus sensor and after doing so found that I continually had to scan as it was not connecting throughout the day automatically. I knew I couldn’t leave it overnight like it so after making sure my phone was up to date software wise, mine is on IOS 26.1. I switched the phone off completely and back on again and for me this sorted the connection and the libre 2 plus worked normally. It might not work for everyone but sorted the connection out with my sensor.