Contact your mobile network provider and report the IMEI number
File a police report with the IMEI number and proof of ownership
Ask the police to request IMEI tracking through the telecom operator
Use the manufacturer’s official device-finding service if it was enabled
Check Google Find My Device for Android phones
Check Apple Find My for iPhones
Mark the IMEI as lost or stolen with your carrier
Block the SIM card linked to the device
Keep the IMEI number from the phone box, receipt, or purchase invoice
Monitor any updates from the carrier, police, or device-finding service
Do not rely on IMEI tracking apps or websites that claim instant tracking
Replace passwords for accounts linked to the lost phone