How do I fix no cellular service on an iPhone in Paris?
Answer
Turn on Data Roaming (and confirm your carrier’s international plan or an eSIM/travel plan), toggle Airplane Mode, wait for a carrier settings update under Settings > General > About, then try Network Selection for a French carrier. If the phone is SIM-locked or the plan blocks roaming, only the home carrier can enable service abroad.
Before you start: stop right away if…
- Do not buy random eSIM QR codes from unofficial airport sellers without verifying the vendor.
Follow these steps
Enable roaming options
Go to Settings > Cellular > Cellular Data Options and turn Data Roaming on. If you use a travel eSIM, select that line for Cellular Data. Confirm Low Data Mode is not blocking needed traffic.
You should see: Roaming is enabled on the line you intend to use.
Reset network registration
Turn Airplane Mode on for 10 seconds, then off. Open Settings > General > About and wait up to a minute for a Carrier Settings Update prompt; install it if shown.
You should see: The iPhone attempts to rejoin a local network and installs any carrier update.
Select a French network manually
Go to Settings > Cellular > Network Selection, turn off Automatic, wait for the list, and try a major French network. Switch back to Automatic after service returns if you prefer.
You should see: Signal bars return, or every network fails indicating an account/roaming block.
Confirm plan eligibility with the carrier
Using Wi-Fi, sign into your carrier’s official app or site and check international roaming status, or chat with carrier support. Ask them to enable roaming or help install their travel eSIM if the phone is eligible.
You should see: Roaming is provisioned, or you activate a supported travel data plan.
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Extra tips
What to look for: No Service, SOS only, or Retry; Cellular Data Options > Data Roaming; Network Selection list; Carrier Settings Update prompt
Before you change anything: Confirm with your carrier whether roaming or an international day pass is included. Prefer official carrier travel eSIM options over unknown QR codes from strangers. Keep Wi-Fi calling notes handy if Wi-Fi is available. Do not share account PINs with airport “helpers.”
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