[Terretta]

All the people saying there are no eSIMs, I don’t know where they are traveling.

I for reasons kept physical sim as US domestic, and used the eSIM internationally for years, popping into any random local phone store and getting dirt cheap local numbers with a QR code.

As a backup, a half dozen apps like GigSky or Nomad that manage eSIMs for countries or regions in case you just can’t find anything (search eSIM in app store). Haven’t paid more than 30USD for unlimited data for a month (or a couple bucks a GB metered) anywhere since they introduced the first eSIMs in EU and Asia.

[47rufhdhsjsjdbb]

I've yet to see any local eSIMs for sale in Asia. Where were you?

[Terretta]

Similar approach for Hong Kong, Singapore, Philippines, Korea, Japan.

First, check if any of the big few domestic carriers have a temporary or contract free esim. In Japan, for example, NTT Docomo does.

When you get to Japan you are going to find an operator NTT Docomo physical store, the second most popular. The virtual SIM cards of this company have the following characteristics:

    - Data plans of 1 to 7 GB.
    - 4G LTE connection.
    - No minimum clause or contracts.
    - Exclusive virtual SIM cards for 5G devices.

Otherwise, Google "esim Japan" and use any of the gazillion variations of esimjapan, or use a trusted one you have an account with like GigSky, Truphone, or HolaFly.

Same approach anywhere, in my experience.