Hi what telephone company is the best ? For my cellphone, With phone number

I'm retired in Thailand 2nd times

Witch company do you suggest?

Hey,

Wondering if there are any tech wizards here?

I got an ais esim, data package.

But for some reason my phone just won’t find the signal for ais.

I know there is signal here, I’m in bkk airport.

Gone to the ais desk and they can’t help.

I’ve reset my network settings, toggled with all the settings, turned it on/off. Everything (i think)But it’s not working.

Weird thing is my English sim automatically tags on to true and I have full bars. But if I toggle it to ais it disappears.

Any help is appreciated 🥲

Entering in Phuket in 1 hr. Who has the best sim for phone?

Thanks!