[Help me!]I need pit file for Singapore XSP firmware! topic

I have the S5 G900F running Android Lollipop 5.0 (Polish)...
Now I want to downgrade it to 4.4.2 Singapore Open XSP firmware but it show fail (size) in ODIN.
Anyone plz give me a PIT file for that Firmware.
I really want to flash this firmware cos' it included Vietnamese and I'm going to give this phone to my mom... :(

Model: SM-G900F
Model name: GALAXY S5
Country: Singapore
Version: Android 4.4.2
Changelist: 2749468
Build date: Tue, 30 Sep 2014 02:12:31 +0000
Product Code: XSP
PDA: G900FDXU1ANI3
CSC: G900FOLC1ANI1
MODEM: G900FDXU1ANE2