no 3g or 4g just edge

[Tyrel ting]

Hi guys recently bricked my phone so i had to flash stock rom via odin anyways apparently my data partition got corrupted so a regular flash wouldnt work i had to flash a rom that contained a bootloader and pit file the only one i could find wasnt native to my region but i flashed it anyways and then stock rom from my region but then i couldnt connect to 3g even though i flashed the rom i had previouly and was getting 3g so please help