on 27-08-2022 10:46
The instructions for extending ring time on my phone do not work.....I just get an mmi error message.
on 27-08-2022 11:18
Samsung are notorious for this.
Turn off WiFi and Volte / WiFi calling. Then select 3G/2G as your network type and then try.
on 30-08-2022 15:27