u/LowMemory2267

I JUST BOUGHT A UNIPIN VOUCHER FROM PHONE PAY AND IT LOOKS LIKE THIS IN THE FIRST SCREENSHOT AND THE UNIPIN REDEEM SYSTEM LOOKS COMPLETELY DIFFERENT HOW DO I REDEEM IT?? I DIDNT GET A SERIAL JUST GOT A 16 DIGIT VOUCHER CODE AND A 6 DIGIT PIN HOW DO I USE IT ??