eSIM shows no service: network selection fixes

Force the right network manually

No service almost always means the phone has not registered with any network, not that the eSIM is broken. The single most effective fix is to take network selection out of the phone's hands. By default the handset chooses a network automatically, and on arrival that automatic search can stall, especially if the airport or area carries several networks the phone has to sift through before it settles on the one your eSIM is allowed to use.

Open the network selection setting, turn off automatic selection, and wait for the phone to list the networks it can see. Pick the local operator your eSIM runs on. Within a few seconds the eSIM should register against that network and the no-service message should clear. If you choose a network your eSIM is not partnered with, it will fail to register, so picking the right operator name is the whole game here.

Knowing which operator to pick is the catch. A travel eSIM rides on a local partner, and that partner is not always the most famous name on the list. Our Asia operator reference lists the leading network behind plans in each country, from AIS in Thailand to Singtel in Singapore, NTT Docomo in Japan and SK Telecom in South Korea, so you can match the name in your phone's list to the right one for where you are.

Re-toggle airplane mode to force a re-scan

If manual selection does not immediately help, force the radio to start fresh. Switch airplane mode on, leave it for about fifteen seconds, then switch it off. This drops every radio connection and makes the phone scan again from scratch, which often shakes loose a stalled registration. Pair it with manual selection: toggle airplane mode off, then immediately go back into network selection and pick the local partner before the automatic search can stall again.

When the airplane-mode toggle alone does not do it, a full restart is the stronger version of the same move. It rebuilds the entire radio stack and clears any stuck session, and across much of Asia, where you may be hopping between networks as you cross borders or move between islands, that clean restart is often what finally lets the eSIM attach to the local network. Give the phone a minute or two after it boots before you judge the result, because registration on a fresh start is not instant and a too-quick check can make a working fix look like a failure.

Check the eSIM line is actually turned on

It sounds obvious, but a surprising share of no-service cases come down to the eSIM line being switched off. On a dual SIM phone each line has its own on and off switch, and it is easy to disable the travel eSIM by accident, or to have it default to off after a restart or a software update. If the line is off, the phone will not even attempt to register it, and you get a permanent no-service reading on that line.

Go into your cellular or SIM settings, find the travel eSIM line, and confirm it is turned on. While you are there, make sure the line is not set to off for the current location or restricted in any way. A line that is enabled but still shows no service then sends you back to manual network selection, which is where the real fix usually lives. It is also worth checking that data roaming is on for that line, because a line can be enabled and registered yet still appear useless if roaming is off, since a travel eSIM always counts as roaming on its local partner network.

If no service still will not clear

If you have selected the right network manually, re-scanned, and confirmed the line is on, and the phone still reads no service, the cause is more likely hardware or plan related. Confirm your handset supports the bands the country actually uses, because a phone that cannot reach any band a network broadcasts will show no service no matter how you configure it. A model bought in another region can be missing a band a country in Asia depends on entirely, and this is more common with imported or older handsets than most people expect, which is why a band check belongs near the top of your list once the quick fixes are exhausted.

Also confirm the plan itself is active and has started, since an eSIM whose plan has not begun can fail to register, and check that you have not accidentally left the eSIM set to a region or network it is not authorised for. If everything checks out and the bands are right, that points to the eSIM profile itself, and the next step is the provider, who can reissue it. Run your model through our compatibility check first, since a band gap is the most common true cause of stubborn no-service.

Frequently asked questions

Why does my eSIM show no service even though it is installed?

Installed and registered are different states. No service means the phone has not attached to any network, usually because automatic network selection stalled or the eSIM line is off. Turn off automatic selection, pick the eSIM's local partner manually, and confirm the line is enabled.

How do I manually select a network for my eSIM?

Open the network selection setting, turn off automatic selection, and wait for the list of visible networks. Choose the local operator your eSIM runs on. If you pick a network your eSIM is not partnered with it will fail, so match the correct operator name for your country.

Which network should I choose for my eSIM?

The local partner your plan runs on, which is not always the best-known name. Our Asia operator reference lists the leading network behind plans in each country, so you can match the name shown in your phone's network list to the right operator for where you are.

Does re-toggling airplane mode fix no service?

Often. Switching airplane mode on for about fifteen seconds then off forces the phone to re-scan from scratch, which clears a stalled registration. Pair it with manual network selection, and use a full restart if the toggle alone does not work.

What if no service will not clear at all?

After manual selection, a re-scan, and confirming the line is on, a persistent no-service usually means a hardware band gap or an inactive plan. Confirm your phone supports the local bands and that the plan has started, then contact the provider if the profile itself is at fault.