Turn off your mobile phone and remove the battery cover. Remove the battery and locate the ESN on a sticker inside the battery compartment. The ESN is usually below the barcode. Write this number down.
Contact your wireless carrier and follow the prompts to speak with a representative.
Inform the representative of your intent to verify whether the ESN on your phone is good.
Provide the representative with the ESN number when prompted to do so. Wait for her to look up the information associated with the number and confirm whether the ESN for the phone is good.
Before you purchase a used phone, verify that the ESN is clean.
Tag : Number