Como converter um pacote em crédito e usar o saldo

https://lh7-rt.googleusercontent.com/docsz/AD_4nXfmkChcBp8h8Yiwz5vuAR17j1Q1aoU3nPmmOcIVUopLXQWFhLiQxZ6IJAYNYP1Yf1ZR1d9hQdm7CgStBsEBx6IEfS3yHLCDGvAj0fKb7inq66Ep4GLTDwO9ltW05k_J6XC62LILWKNMLhNBxZ9w2UJaFDgW?key=Oi9sx4dtv41gsZSLC0yzNA

https://lh7-rt.googleusercontent.com/docsz/AD_4nXeTAkb1Zn__70KHMH1B36ctZkoie7H8gVfklEWS4I1Zu4gonLfF3qrTqGtbujTQqMBrRxHVqQ801li1-MQ4j-9uO__rPwPb7TYQHTm2Ndr0pQerCiIvoACt1pjCYf1m8R0rb--fR-kcllJLKqAya2xbyK4m?key=Oi9sx4dtv41gsZSLC0yzNA

https://lh7-rt.googleusercontent.com/docsz/AD_4nXecKWz9yN---nHQ6glcreu1I_uHHiZaY28i_45LGcqi3y4UzFK7FFa_kIispSrNs9ujfqAEJvyQxx-UbaiQzVvt4nGMNxP2-RRVklS_DCm8HJl1iZhwKMrO3fD8gmYTEB_2QvDvQcBCY9iP2NSg_nxeL0TT?key=Oi9sx4dtv41gsZSLC0yzNA