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Troubleshooting

Troubleshoot eSIM installation

Resolve common QR, activation and no-service problems safely.

8 minBeginner friendlyReviewed July 2026
01
Preparation

Before you start

Have these ready
  • Wi-Fi access
  • An eSIM-compatible unlocked phone
  • The TalkONE eSIM details
Important

Deleting an eSIM does not cancel the service and may require a replacement activation.

02
Step 1

Confirm device support

Check the phone supports eSIM, is not carrier-locked and is running a current operating system.

Where to look

Use the highlighted current and replacement eSIM on the Replace eSIM screen. Confirm the surrounding service or account details match before you continue.

Confirm device support: current and replacement eSIM on the TalkONE Replace eSIM screen
Step 1
Confirm device supportThe highlighted current and replacement eSIM is the exact area to use.
03
Step 2

Check the QR code

Use the newest eSIM details and scan from the phone's Add eSIM screen. Do not scan a screenshot on the same phone.

Where to look

Use the highlighted replacement safety checks on the Replace eSIM screen. Confirm the surrounding service or account details match before you continue.

Check the QR code: replacement safety checks on the TalkONE Replace eSIM screen
Step 2
Check the QR codeThe highlighted replacement safety checks is the exact area to use.
04
Step 3

Check the mobile plan state

Confirm the TalkONE line is switched on and selected for the intended calls or mobile data.

Where to look

Use the highlighted service interruption confirmation on the Replace eSIM screen. Confirm the surrounding service or account details match before you continue.

Check the mobile plan state: service interruption confirmation on the TalkONE Replace eSIM screen
Step 3
Check the mobile plan stateThe highlighted service interruption confirmation is the exact area to use.
05
Step 4

Restart and test

Restart the phone, disable Wi-Fi and test a webpage. Then make a call if the service includes voice.

Where to look

Use the highlighted Continue after verification on the Replace eSIM screen. Confirm the surrounding service or account details match before you continue.

Restart and test: Continue after verification on the TalkONE Replace eSIM screen
Step 4
Restart and testThe highlighted Continue after verification is the exact area to use.
06
Step 5

Request help without deleting

If activation still fails, submit the exact on-screen error. Do not delete an installed eSIM unless TalkONE confirms replacement is required.

Where to look

Use the highlighted Create request on the Support screen. Confirm the surrounding service or account details match before you continue.

Request help without deleting: Create request on the TalkONE Support screen
Step 5
Request help without deletingThe highlighted Create request is the exact area to use.
07
Finish

Check your work

You’re done when…

The TalkONE line shows signal and completes the relevant call/data test.

Sign in to do this
08
More help

If you need help

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