creo que por ahora la mejor solución es la que explican en este foro:
https://eu.community.samsung.com/t5/...457269/page/50
Guide how to use native call recording with Thailand (TH) sim card :
1. Insert the TH card
2. Reset to factory settings
3.After restart choose yes to reconfigure new sim (TH) and restarted again.
4. Restore from backup, reinstallation of applications
5. Turn off the phone, remove the TH sim card, insert the local sim card , turn on the phone, restart the phone to reconfigure the local sim card
That's it !
Enjoy !
PS: Search on ebay : PREPAID THAI SIM CARD THAILAND
La sim es esta:
https://www.ebay.es/itm/AIS-Travelle...wAAOSwyHxcloqk
la he comprado y llega entre el 7 junio y el 22 de julio
toca esperar, ya contaré si funciona el método