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AhaBulb: Stuff Everyone Should Know · ahabulb.com/trav-esim-needs-unlocked-phone

To use a local phone company's eSIM abroad, what must be true of your phone?

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  1. It must be unlocked
  2. It must be brand new
  3. It must stay in airplane mode

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References

  1. Purdue University Study Abroad Handbook: Technology Abroad www.purdue.edu/gpp/sa/outbound/studyabroadhandbook/technologyabroad.html Checked 2026-10-10.
  2. Purdue University Study Abroad Handbook: Technology Abroad (cons) www.purdue.edu/gpp/sa/outbound/studyabroadhandbook/technologyabroad.html Checked 2026-10-10.

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