Huh
I tot activate in sg liao but disable first
Then go there liao then enable can liao right
If not then use their airport wifi to activate lor
U still haven tell us which esim u using. But usually is just download the sim profile 1st, the company's esim would have registered the esim with your phone's esim IMEI alr. Then when reach destination turn on can alr.
At least that's what I did with my ByteSim with Japan unlimited data, but I put in my 5ber sim card in the app, even though I have esim in my phones, coz my simba esim stored in e same app/sim also has intl roaming so can switch between the 2