I have a 2007 Kia Sportage and recently had auto zone replace my battery. the tech put the wrong battery in and hooked up the battery backwards causing a short. now my radio wont work.

Hi I have a 2007 kia Sportage as well and I'm having the same issue I just purchased it less than 2 weeks ago my radio comes on but no sound all the fuses are good I pulled the battery for 5 minutes or so there is no reset button on the radio I really could use some advice on fixing this thank you to any and all who can help in advance