If you have bricked your Samsung S5 SM-G900L device and looking for a way to unbrick it, then you can use Odin and flash the stock ROM of your device.Download Stock ROM Firmware in Rar/zip form, then extract it on your computer, then install USB Driver on your computer, open Odin then runs to install the firmware.
Download Firmware File Stock ROM Samsung Galaxy
File Name: G900LKLU1CPL5_G900LLUC1CPL5_LUC.zip
Size: 1.43 GB
How To Flash: Follow How To Flash
you flash the firmware File stock ROM, your device will get back to working condition again. Odin also helps in fixing the boot loop issue on your device.