It usually happens in a crowd, in a queue or on a busy terrace: you reach for your pocket and your phone simply is not there. Abroad, with an unfamiliar language and no obvious help desk, the panic is worse. Yet the difference between a stressful afternoon and weeks of fraud and hassle often comes down to a handful of actions taken quickly. Acting in a set order in the first hour is what stops a stolen handset from becoming a stolen identity and a drained bank account. The good news is that you do not need to be technical, and much of it can be done from a friend's phone or a hotel laptop.

Lock and locate your phone

Before anything else, borrow another device and open Find My on iPhone or Find My Device on Android, then sign in with your own account. You can see the phone on a map, make it ring, put it into a locked mode with a message on screen, or, as a last resort, erase it completely.

  • Locate it on the map, but never go to retrieve it yourself; give the location to the police if it helps.
  • Put it into Lost Mode or lock it remotely so nobody can open your apps.
  • If it holds sensitive data and recovery looks hopeless, erase it remotely.

Block the SIM

A locked screen still leaves your SIM working, and a thief can use it to make calls, drain any credit or intercept the codes some services text you. Call your network as soon as you can and ask them to block the SIM, then request a replacement so you are reachable again on the same number.

Keep your account details or a note of your number handy, as the operator will need to identify you. If you were relying on a travel or roaming SIM, contact that provider too so no charges pile up while you are away.

Secure your accounts

Your phone is the key to your digital life, so assume the thief will try the accounts that matter most. Changing the passwords on your email and banking first cuts off the routes a thief uses to reset everything else. Do this from a trusted device rather than a shared public computer if you possibly can.

  1. Change your email password, since it can reset almost every other account.
  2. Change your online banking password and check for any unfamiliar activity.
  3. Sign out of all active sessions, so the stolen phone loses access even if it is still unlocked.

Report it and the IMEI

Report the theft to the local police and keep the reference you are given. Many travel and phone insurance policies will only pay out if you can show a report was made promptly, and the paperwork is far easier to sort while you are still on the spot.

Your handset also has a unique IMEI number, usually on the original box or in your account records, and quoting it lets your network add the phone to a blocklist so it cannot be used on UK networks. To avoid all of this next time, keep a PIN or biometrics switched on and an active backup running, and read our guide on how to switch mobile provider if you decide to change network when you replace the handset.