Step 1: Scratch the gray cover, you can find 14 or 15 bits number.
Step 2: Input the numer into below box and click "verify" button.
The result will be shown automatically.
Step 1: Scratch the gray cover, you can find 14 or 15 bits number.
Step 2: Input the numer into below box and click "verify" button.
The result will be shown automatically.