Household · official-source review · reviewed 2026-10-04
A lost phone can affect account access. Decide which official routes you will use before the loss occurs.
List safe response steps and account dependencies without storing codes or passwords.
People who use a phone for account access, calls, messages, or stored information.
Use the source document or official route that applies to your situation. This guide does not contact another person or verify external information.
Do not confront a person who may have taken the phone.
Open the maker's known device-finding service from another trusted device.
Use the carrier's known support route to ask about the SIM or eSIM.
Use each provider's official route. Change a password if the provider advises it.
Write the date, service, contact route, and next step. Do not record recovery codes.
A reader cannot find a phone after leaving a shop. The reader uses the device maker's known service from a family tablet, then calls the carrier using a saved number.
Use your own source and details. The example is not a record about a real person or organization.
U.S. Cybersecurity and Infrastructure Security Agency · reviewed 2026-10-04
What this source supports: Plan for device loss, protect portable devices, and keep separate backups of important information.
Source limit: Lock, locate, erase, carrier, and account-recovery options differ by provider. Use official current instructions for each service.
U.S. Federal Trade Commission · reviewed 2026-10-04
What this source supports: Before disposal, remove SIM and memory cards, back up needed data, sign out, and reset the device using its instructions.
Source limit: Reset steps differ by phone. Check account, authenticator, eSIM, and transfer instructions before erasing the device.
U.S. Cybersecurity and Infrastructure Security Agency · reviewed 2026-10-04
What this source supports: Use unique passwords, a password manager, and multifactor authentication to protect accounts.
Source limit: Account recovery steps and available security options differ by provider. Use the provider's own current instructions.
These sources support the statements above. They do not show that every person needs this guide. They do not show a specific result.
Remote locate, lock, erase, carrier, and recovery features vary. Follow current provider instructions. Do not put passwords or access codes in this plan.
Lock, locate, erase, carrier, and account-recovery options differ by provider. Use official current instructions for each service.
Use current instructions from the responsible organization. This guide is a planning aid, not an official decision or a substitute for qualified advice.
Each App has a separate job. Choose the one that fits your next step.
APP 1
List official routes to check if a phone is missing. Do not enter a device code.
Free · no account · no upload
Open Make a Lost-Phone First-Response ChecklistAPP 2
Record the service, safe recovery route, and backup method for each account.
Free · no account · no upload
Open Map Accounts That Depend on a PhoneThe Apps run in this browser. They do not send or save entries. Copy, download, or print only when you choose.
This guide uses short, direct instructions as an ASD-STE100-style writing target. It is not a formal certification.