G920a 5.1.1 stuck on logo

I got S6 g920a imei null the modem was of4 and some one tried to flash it with of3 so he bricked the mobile then i tried to upgrade it to 5.1.1 to solve this issue but now it's worse
now the mobile stuck on Samsung Galaxy S6

in other model like g920F / I / S / K / L / T / W8 their is kernel to solve this issue
but in my case I need your help to solve it

This entry passed through the Full-Text RSS service - if this is your content and you're reading it on someone else's site, please read the FAQ at http://ift.tt/jcXqJW.

G920a 5.1.1 stuck on logo