Is there actually stuff on Feros that you can give to Tali? Cause I've played the game like 5 times (and counting) and I've gotten Wrex's armor, I've killed Saleon, but I've never gotten an assignment from Tali :/
Complete UNC: Geth Incursion, get the intel from the base and talk to Tali before (note: before) you go back into the galaxy map. She'll ask you for a copy of the data. Give it to her. Also, a terminal on Feros can be hacked to get that mission if you haven't entered the Armstrong Cluster (the cluster where the mission is set) yet.