Serial number is engraved in case (metal chasis), you have to remove a radio and look for it...
Congratulation! Your code is available.
Radio code $5 USD
100% correct code or you will get refund. We will send you code in minutes via Email or SMS ( if Phone# provided). If radio is locked with SAFE / ERROR / WAIT on display, you entered wrong code too many times, please leave radio ON up to 2 hours until it resets and lets you enter code again. For any other question Viber/SMS/WhatsApp/Email.
Payment with Paypal/VISA/Master/American/Discover.