Self Assistance - eSIM APN settings for Iphone

Now ensure that the Data roaming option to this line is activated.

Go to: Settings > Mobile Data > under Data plans, select the installed eSIM profile^* > Activate Data roaming.

^*it will appear as “secondary” or under the name you renamed it.

NB: The Data roaming option is now activated only for your Ubigi eSIM profile. This means that you won’t have extra roaming costs as only Ubigi rates will be applied while using the Ubigi cellular connectivity.

In the same screen, select Mobile data network in order to configure the APN (Access Point Name). In the APN field, make sure that mbb is specified. If not, type it in the field.

Verified

Straight up rel

Straight up reliable, fast and connected quickly to network. Price was decent too

customer, 13 Mar 2026

Very good service

Had great service everywhere I went, I highly recommended using this type of cell services!

Glad that I was able to use service…

Glad that I was able to use service whenever needed.

Amazing coverage within Japan

I usually use my mobile off-line

I usually use my mobile off-line. the experience I had this time in Spain was great. I could use translator anywhere, communicate with family any time.

Yasu, 13 Mar 2026

This service was excellent from…

This service was excellent from beginning to end. I would definitely recommend them and will use them again in the future.

Paul Ashton, 13 Mar 2026

Very good

Very good, but in Tohoku sometimes it did not work.

It just works

It just works, it's nice to be able to import the SIM from the application, no need to scan a QR code from a second phone.

Daniel, 13 Mar 2026

Configuration instructions need a…

Configuration instructions need a little improvement for clarification.

Linda Wilson, 13 Mar 2026

Necessity of switching off primary SIM

First, I cannot connect internet. I can connect internet after when I switch off primary SIM. It is more comfortable if there is instruction about necessity of switching off.

Shunsei, 13 Mar 2026

Worked great in Japan

Worked great in Japan. Not one issue experienced.

Jeff B, 13 Mar 2026

Ubigi works perfectly in South Africa

Ubigi works perfectly in South Africa. I have no issues at all, would definately reccommend to anyone.

Natasha Luiters, 13 Mar 2026

Works everywhere

Works everywhere, even in the backcountry!

We chose Ubigi because we read that it…

We chose Ubigi because we read that it had great connectivity in more rural areas of Japan and it didn't fail us. It was easy to upload and use and had no issues at all. I would highly recommend them for anyone wanting a reliable E-sim.

NM, 13 Mar 2026

Great connectivity

Very easy to install, very easy to use+ great network connectivity

Joseph Jammal, 13 Mar 2026