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General

Getting Started

  • What is eSIM?
  • Which devices support eSIM?
  • How much travel data (GB) do I need for my trip?
  • Why CELITECH?

eSIM Installation

  • How can I install eSIM on iPhone?
  • How can I install eSIM on Android phone?
  • For which countries I need to update the APN for my Android phone?
  • What does "No usable data found" mean after scanning the eSIM QR code?
  • Why is my eSIM showing "Activating"?
  • How can I install or activate an eSIM QR code received on my mobile phone?
See all 10 articles

Service Guide

  • Does CELITECH eSIM include a phone number?
  • When shall I activate my eSIM?
  • How can I check my travel data balance and top up?
  • How can I troubleshoot service issues?
  • Does TikTok work with the travel eSIM?
  • What is the eSIM service Cancellation Policy?

Device Issues

  • Can I use travel eSIM with my primary line?
  • How can I troubleshoot my device connection?
  • What happens if I delete my eSIM from my device?
  • How can I check if my mobile phone is unlocked (i.e. not carrier locked)?
  • How can I unlock my device?
CELITECH eSIMs are proudly made and securely hosted in the USA.
CONTACT
info@celitech.com818.350.1980
CELITECH INC. (HQ)
25350 Magic Mountain Pkwy Ste 300
Santa Clarita, CA 91355
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LOCATIONS
Los Angeles, CA (HQ)
Chicago, IL
New York City, NY
Bridgeport, CT
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