The OpenSim journal
Find your eSIMVerified updates on eSIMs, roaming, airline Wi-Fi, satellite service and travel apps that sell mobile data.
Samsung and NTT Transatel added eSIM bootstrap connectivity to US Galaxy Z phones. Learn what it activates, what it does not include and what travelers need.
Ucell has refreshed its corporate Worldwide and Neighboring Countries roaming packs. Check prices, eligibility, activation, rollover and package conflicts.
Yesim is IFA 2026's connectivity partner. See what is confirmed, what the event offer does not yet disclose and how visitors can plan mobile data.
4iG and SpaceX plan Starlink Mobile in Hungary and Albania, with V2 later for Montenegro and North Macedonia. Check dates, phones and traveler limits.
SIMZY now offers selected travel eSIM plans with data, calls and SMS. Check destinations, phone-number limits, fair use, renewal and alternatives.
SoftBank and Sceye completed Japan's first HAPS-to-smartphone trial. See what worked, what travelers can use now and why it is not a launch.
Use Roaming eSIM code FLASH22 for 22% off an eligible checkout through September 15, 2026. Check the deadline, order total and plan fit.
Saily lets five travelers share eligible data and 20 people track expenses. See the different limits, payment rules and Roaming eSIM alternative.
KT has increased roaming data after Korean travel eSIM use reached 36%. Compare the new 5GB to 40GB tiers, carrier perks and traveler limits.