Without much ado....Download heimdall.zip from here: https://androidfilehost.com/?w=files&flid=338156Download Lineage from the official lineage site.For gta4l aka SM-T505/SM-T505C/SM-T505N/SM-T507: hereFor gta4lwifi aka SM-T500: hereNote:The SM-T505 version is also working for SM-T505N and SM-T505C.Quick installation guide (or follow official install wiki)- Unlock device (don't forget to really unlock it by going back into developer options after unlock...Read more