So basically, last week I travelled to Northern Ireland, despite having turned on Data Roaming function, I didn't either receive any text message from Three Ireland or have my phone automatically connected to Three UK. I did the same steps to my friend whose phone is the same model as mine (Iphone 11 Pro), but he did receive welcome text from Three UK after crossing the border and his phone automatically connected to Three UK while my Three sim had never received any welcome text after crossing the border or automatically connected to 3 UK. Besides, I did restart and select network manually but there was no difference as the signal always showed "searching for network" then "no services". Could you please help me with this issue? Thanks
