Activating 300$ perk for phone + with plan

Hi i have been with Fizz for more than 6 years so i got a perk 300$ for the samsung galaxy s26 i choosed the base one but i didnt had time to complete the full check out is it possible to get my perk back so i try again the reason why i didnt had time iwanted to know does passing by Affirm will not only apply the same fees but the perk i activated to get my new phone with my existing plan which i saw turned 13$ for 24months only if i take it with the phone with the coverage only for Quebec but if i pass with Affirm i do understand that theres more few so it will be more expensive but on your side it says for 24months and on Affirm i get the financing for 12months and its at 118$ instead of almost around 76$ on your side i wanted more explanation about that because im not really used to those kind of things i would really want the samsung s26 but i can only pass thru Affirm plz let me know if tis possible to get my wasted perk back so i can try again and more info on afffirm side does it affect the checkout still with the perk of 300$ for a samsung s26, Waiting a response and thank you!