{"id":7293,"date":"2026-01-22T12:27:14","date_gmt":"2026-01-22T12:27:14","guid":{"rendered":"https:\/\/www.mozillion.com\/resources\/?page_id=7293"},"modified":"2026-06-10T10:52:07","modified_gmt":"2026-06-10T10:52:07","slug":"travel-esim-troubleshooting-iphone","status":"publish","type":"page","link":"https:\/\/www.mozillion.com\/resources\/help\/travel-esim-troubleshooting-iphone\/","title":{"rendered":"Travel eSIM Troubleshooting iPhone"},"content":{"rendered":"\n

Your troubleshooting guide to setting up your Mozillion Travel eSIM on iPhone (iOS)<\/strong><\/h3>\n<\/div><\/div><\/div><\/div>

Step 1<\/h2>\n<\/div><\/div><\/div><\/div>

Check eSIM profile Installation<\/strong><\/h3>\n<\/div><\/div>
<\/span><\/div>

Go to: Settings<\/span><\/strong><\/span>\u00a0<\/span>> Mobile Data<\/span><\/strong><\/span>\u00a0<\/span>> under Data Plans<\/span><\/strong><\/span>: installed eSIM profile will appear as \u201cSecondary\u201d\u00a0<\/span>(or the name you renamed it).<\/em><\/p>\n

If your eSIM profile is already installed,\u00a0<\/span>go to step 2.<\/p>\n

If no eSIM is installed yet, go to\u00a0<\/span>Get started<\/a>\u00a0<\/span>and follow instructions for your device.<\/p>\n

If you deleted your eSIM profile, please follow instructions on this\u00a0link.<\/a><\/p>\n<\/div><\/div><\/div><\/div>

Step 2.1<\/h2>\n<\/div><\/div><\/div><\/div>

Check eSIM Profile Activation<\/strong><\/h3>\n<\/div><\/div><\/div><\/div>
<\/span><\/div><\/div>
<\/span><\/div><\/div><\/div>

Check if your eSIM profile is installed on your iPhone.<\/p>\n<\/div><\/div>

Go to: Settings<\/span><\/strong>\u00a0<\/span>>Mobile<\/span><\/span> Data<\/span><\/strong><\/span>\u00a0<\/span>> under Data Plans<\/span><\/strong><\/span>, select the installed eSIM profile\u00a0<\/span>(or \u201csecondary\u201d or the name you renamed it)<\/em><\/p>\n

Activate the profile by pressing the button\u00a0<\/span>Turn On This Line<\/span><\/strong><\/span>\u00a0<\/span>on the right.<\/p>\n<\/div><\/div><\/div><\/div>

Step 2.2<\/h2>\n<\/div><\/div><\/div><\/div>
<\/span><\/div><\/div><\/div>

As soon as your profile is installed, a double network signal will appear at the top of your screen.<\/p>\n<\/div><\/div>

NB: the double network only appears if you have also a physical SIM card\/eSIM profile for voice & SMS installed on your device. If there is no physical SIM card installed, only the stepped bars network will be displayed.<\/span><\/p>\n<\/div><\/div><\/div><\/div>

Step 3<\/h2>\n<\/div><\/div><\/div><\/div>

Apply Data to eSIM Profile<\/strong><\/h3>\n<\/div><\/div><\/div><\/div>
<\/span><\/div><\/div>
<\/span><\/div><\/div><\/div>

Cellular Data must be applied to the Mozillion Travel eSIM profile to access the Internet.<\/p>\n<\/div><\/div>

To do that, go to: S<\/strong><\/span><\/span>ettings<\/span><\/strong><\/span>\u00a0>\u00a0<\/span>Mobile Data<\/span><\/strong><\/span>\u00a0>\u00a0<\/span>Mobile Data<\/span><\/strong><\/span>\u00a0again, select\u00a0<\/span>Secondary<\/span>:
the tick will appear in front of it when it is selected <\/span>.<\/span><\/p>\n<\/div><\/div>

<\/div><\/div>
\n
Important<\/strong><\/span>:<\/span>
<\/span>When you have multiple SIM cards\/eSIM profiles on your iPhone, it is not possible to activate cellular data on two data plans at the same time. You can only apply it to one at a time.<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div>

Step 4.1<\/h2>\n<\/div><\/div><\/div><\/div>

Check APN configuration<\/strong><\/h3>\n<\/div><\/div><\/div><\/div>
<\/span><\/div><\/div>
<\/span><\/div><\/div><\/div>

Now ensure that the Data roaming option to this line is activated.<\/p>\n<\/div><\/div>

Go to:\u00a0<\/span>Settings<\/span><\/strong><\/span>\u00a0>\u00a0<\/span>Mobile Data<\/span><\/strong><\/span>\u00a0> under\u00a0<\/span>Data plans<\/span><\/strong><\/span>, select the installed eSIM profile<\/span> > Activate Data Roaming<\/strong><\/span>.
<\/span><\/p>\n<\/div><\/div>

<\/div><\/div>

It will appear as \u201csecondary<\/strong><\/span>\u201d or under the name you renamed it.<\/p>\n

NB: The Data roaming option is now activated only for your Mozillion Travel eSIM profile. This means that you won\u2019t have extra roaming costs as only Mozillion Travel eSIM rates will be applied while using the Mozillion Travel eSIM cellular connectivity.<\/p>\n<\/div><\/div><\/div><\/div>

Step 4.2<\/h2>\n<\/div><\/div><\/div><\/div>
<\/span><\/div><\/div>
<\/span><\/div><\/div><\/div>
In the same screen, select Mobile Data Network<\/span><\/strong><\/span>\u00a0in order to configure the APN\u00a0(Access Point Name)<\/em>. In the APN field, make sure that\u00a0mbb<\/strong><\/span>\u00a0<\/span>is specified. If not, type it in the field.<\/div>\n<\/div><\/div><\/div><\/div>

Step 5.1<\/h2>\n<\/div><\/div><\/div><\/div>

Check Network Display<\/strong><\/h3>\n<\/div><\/div><\/div><\/div>
<\/span><\/div>

Display the networks\/shortcuts page by sliding from the top right hand corner of your screen to the center.<\/p>\n<\/div><\/div><\/div>

<\/span><\/div>

Turn ON<\/strong>\u00a0<\/span>\u201cflight mode<\/strong><\/span>\u201d<\/span>\u00a0<\/span>for 5 seconds and turn it OFF<\/strong>. This action will refresh the network connection from your device.<\/p>\n<\/div><\/div><\/div><\/div>

Step 5.2<\/h2>\n<\/div><\/div><\/div><\/div>
<\/span><\/div>
\n

Once Flight mode off, you will see 1 or 2 networks appear:<\/p>\n<\/div>\n<\/div><\/div>

The network at the top is always the eSIM\/SIM card you applied data to: following previous steps, this must be your Mozillion Travel eSIM network.<\/span><\/p>\n<\/div><\/div>

<\/div><\/div>

NB: The other network right under it represents the other possible line in your phone\u00a0<\/span>(for instance: your primary line with the physical SIM card if you have inserted one in your device)<\/em><\/p>\n<\/div><\/div><\/div><\/div>

Step 5.3<\/h2>\n<\/div><\/div><\/div><\/div>
<\/span><\/div>
<\/div><\/div>

NB: If no network bar is displayed yet, please contact\u00a0<\/span>Customer Support<\/a>\u00a0<\/a>for further help and provide the ICCID of your eSIM profile (<\/span>Settings<\/strong><\/span> > General<\/strong><\/span> > Information<\/strong><\/span> > ICCID<\/strong><\/span>)<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":0,"parent":287,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-7293","page","type-page","status-publish","hentry"],"yoast_head":"\nTravel eSIM Troubleshooting iPhone - Mozillion Resources<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mozillion.com\/resources\/help\/travel-esim-troubleshooting-iphone\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Travel eSIM Troubleshooting iPhone - 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