1. MEID or IMEI: Locate the phone's MEID or IMEI serial number on the back, beneath the battery. Remove the battery if necessary to view it.
2. SIM Card Number: If you're using a BYOP (Bring Your Own Phone) SIM card, the final 15 digits of your SIM card number will also serve as your account number.
Regarding the PIN section, NET10 does not utilize passcodes, so you can leave it empty when required.