Here are my preliminary test results.

Esim Roamer Service Tests

iPhone 16 Pro Max 256Gb


11-14-24 Heathrow, London

Roamless-O2, LTE 6 down, 3 up, ping 197

Roamless-Vodafone 4G 11 down, 3 up, ping 217

No EE service, plane change, customs, no time for more tests



11-15-24, Barcelona, Spain

Roamless Orange 5G 443 dn, 23 up ping 72

Roamless Vodafone 5G 189 dn, 7 up, ping 78

Jetpac Orange 5G 245 down, 9 up, ping 80

Jetpac Movistar 5G 32 dn, 18 up, ping 105



2nd test

Jetpac Orange 5G 172 down, 40 up, ping 79

Jetpac Movistar 3G 3 up, 3 down, ping 103

Jetpac Vodafone LTE 32 down, 11 up, ping 98



11-15-24 Barcelona, Spain

T-Mobile free high speed 5Gb data service included in ONE plan

Vodafone LTE 45 dn, 15 up, ping 282

Movistar 5G 154 dn, 29 up, ping 371

Orange & Yoigo No Service