Phone usually doesn't' work

Hello, micky.
On 05.06.2025 23:37 you wrote:

 M> Any idea what's going on here? A Xiaomi phone with Android 14 iirc.  I picked a friend up at
 M> National Airport.  She had called me yesterday on her cell.  She had called me today to my cell
 M> to tell me she had landed. But then her phone stopped working.  She had to get some stranger to
 M> call me the next time.   Later her son called her and that worked fine for 10 minutes, and then
 M> she called her friend to tell her she landed and would be coming soon and that worked fine, but
 M> then her phone stopped working again.

Are you suggesting fortune-telling on coffee grounds? There can be many reasons, from being blocked by an operator to unstable communication in a particular area.

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WBR, ON