If you don't use a Thai SIM card, let's say it will work for six months when you put it back into your phone?

[Anastasia]

If you don't use a Thai SIM card, let's say it will work for six months when you put it back into your phone?

[Bundaberg]

For example, in the Dtac application, it is written up to what date the SIM card is valid. Also, if you want it to work outside of Thailand, you need to enable the roaming checkbox in the application settings.
207184,2,In the exchanges of the city. It depends on what rate

[Denis]

It won't unless you replenish and renew on time.