https://community.o2.co.uk/t5/Android/S25-does-not-receive-calls/m-p/1814070#M81566 <P>If possible try your sim in another phone to see if it still doesn't connect&nbsp;</P><P>If not visit an O2 store and ask for a replacement sim</P><P>Take photo ID with you</P> Mon, 06 Oct 2025 16:06:59 GMT jonsie 2025-10-06T16:06:59Z https://community.o2.co.uk/t5/Android/S25-does-not-receive-calls/m-p/1814069#M81565 <P>Callers to S25, receive unable to connect to phone message. Network strength is good&nbsp;</P> Mon, 06 Oct 2025 15:53:51 GMT https://community.o2.co.uk/t5/Android/S25-does-not-receive-calls/m-p/1814069#M81565 TJHAJH 2025-10-06T15:53:51Z https://community.o2.co.uk/t5/Android/S25-does-not-receive-calls/m-p/1814070#M81566 <P>If possible try your sim in another phone to see if it still doesn't connect&nbsp;</P><P>If not visit an O2 store and ask for a replacement sim</P><P>Take photo ID with you</P> Mon, 06 Oct 2025 16:06:59 GMT https://community.o2.co.uk/t5/Android/S25-does-not-receive-calls/m-p/1814070#M81566 jonsie 2025-10-06T16:06:59Z https://community.o2.co.uk/t5/Android/S25-does-not-receive-calls/m-p/1814072#M81567 <P>Check&nbsp;</P><UL><LI><DIV class=""><DIV><DIV class=""><DIV class=""><SPAN><STRONG>Call Barring/Forwarding:</STRONG>&nbsp;</SPAN></DIV><DIV class=""><SPAN>Open the Phone app, tap the menu icon, go to Settings &gt; Supplementary services, and check if any call forwarding or call barring options are enabled.<SPAN class=""><SPAN class="">&nbsp;</SPAN></SPAN></SPAN></DIV></DIV></DIV></DIV></LI></UL> Mon, 06 Oct 2025 16:23:46 GMT https://community.o2.co.uk/t5/Android/S25-does-not-receive-calls/m-p/1814072#M81567 Enlli 2025-10-06T16:23:46Z