Heimdall problems need help topic

I am using a Mac, and I have always used heimdall with no issues on my S4.

I am running into a lot of issues with my S5.

What is the best solution for Mac users to flash recoveries.to their device these days?

Also what is best recovery for S5 currently. It seems latest TWRP is very buggy.

[Q] flashing with heimdall gts5300 topic

Hey guys need your help.
So i installed swapper 2 in my gts5300 phone and make some settings to it but when i went to restart the phone it didnt boot up. So i went and tried flashing with heimdall-frontend but been unsuccessful cause am not finding the neccessary firmware files to flash anybody here to help me please its urgent!!!!:crying::crying::crying: