i have done this my self im not the dev but if you google it you will find all about it im now going to find a way to get twrp for this device (this may work for Samsung Galaxy Stellar 4G LTE as well)
https://www.dropbox.com/s/34j4nbtd9vgzqxj/Impactor_0.9.14.zip
update:if you have updated to the mk2 the impactor will no longer get you root but the link be low will root you and its just as easy i did update with out useing root keeper and lost root so i tryed this and boom all good i did not make this my self im not the dev but if you google saferoot you will find all about it
https://www.dropbox.com/s/m0x869ycyglvsxg/saferoot.zip
update=goo manger will flash twrp but the bootloader is locked so im looking for 4.1.1 jellybean/ics boot loader maybe it will work
https://www.dropbox.com/s/34j4nbtd9vgzqxj/Impactor_0.9.14.zip
update:if you have updated to the mk2 the impactor will no longer get you root but the link be low will root you and its just as easy i did update with out useing root keeper and lost root so i tryed this and boom all good i did not make this my self im not the dev but if you google saferoot you will find all about it
https://www.dropbox.com/s/m0x869ycyglvsxg/saferoot.zip
update=goo manger will flash twrp but the bootloader is locked so im looking for 4.1.1 jellybean/ics boot loader maybe it will work