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eSIM not connecting on your Samsung? Here’s the fix

Direct answerOn a Samsung, the path that solves most cases is: Settings → Connections → Mobile networks → Data roaming turned on, and in the SIM manager keep the eSIM line selected under "Mobile data".

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1. Turn on Data roaming

Samsung: Settings → Connections → Mobile networks → Data roaming turned on (with 2 SIMs, make sure it applies to the eSIM line)

2. eSIM as the data line

Settings → Connections → SIM manager → under Mobile data, select the eSIM line. Also check that the eSIM switch is turned on in the SIM list.

3. Force the network

Airplane mode 10 seconds → off
Restart the phone
Still nothing? Connections → Mobile networks → Network operators → turn off "Select automatically" and pick a local carrier

Still at home? "No service" is normal

Most travel eSIMs only connect in the destination country. At home it shows "no service" and that is not a defect. Installing it doesn't use up the plan: the days usually start counting when you connect at the destination with roaming turned on.

⚠️ Never delete the eSIM from your phone. With most providers the QR code installs only once: deleting the line can mean losing the plan. Removing the eSIM is a last resort, and only with guidance from the support team of whoever sold it to you.

Frequently asked questions

Which Samsung phones have eSIM?

Galaxy S20 and later, Z Flip/Fold, Note 20 and several recent A models (market dependent). Check Settings → Connections → SIM manager: if "Add eSIM" shows up, it has one.

My Samsung shows signal bars but nothing loads. Why?

Antenna signal is not internet: it’s almost always Data roaming turned off or the wrong line selected as mobile data. Follow steps 1 and 2 above.