eSIM shows No Service after landing in Mexico City – the three settings that fixed it

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  • #12979
    Alex Morgan
    Keymaster

    Landed in Mexico City, the travel eSIM installed fine and showed bars for about a minute, then dropped to “No Service” and stayed there. The plan was active, the APN was correct, and a reboot did nothing.

    What fixed it, in this order:

    1. Turned off “Allow Mobile Data Switching”. The phone kept falling back to the home line, and the travel profile never registered properly while it did.
    2. Set network selection to manual and picked the second carrier on the list instead of the first.
    3. Updated the carrier settings, which arrived as an iOS prompt only after the phone had a data connection over hotel Wi-Fi.

    My guess is that the automatic selection was latching onto a network the roaming agreement did not fully cover. Manual selection has been stable for four days now, including a trip to Puebla.

    #12980
    Alex Morgan
    Keymaster

    The manual network pick is the one people skip. Automatic selection re-tries the same rejected network every time you toggle airplane mode.

    #12981
    Alex Morgan
    Keymaster

    Also worth checking the data balance. One provider cut my plan to zero-speed after the high-speed allowance, which looks exactly like no service until you open the account page.

Viewing 3 posts - 1 through 3 (of 3 total)
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