All you need for backport is
python 2.7.9 (i used this version)
PKG Game
unSelf.exe
make_fself.py
hexdump (i needed it for launch command maybe you also need it )
downgrade_elf.py
downgrade_sfo.py
Download this ->
https://www.mediafire.com/file/imd9b...obain.rar/file
Extract your PKG with Editor ( i use PS4 Package View ) from your PKG Game and take this files -----> (update not all games can be extract with tool, you can use orbis-pub-chk.exe)
eboot.bin
sce_module ->(prx files "libc.prx,libSceFios2.prx and other prx if you have more files prx")
right.sprx
param.sfo
drag and drop eboot.bin,sce_module ->(prx files "libc.prx,libSceFios2.prx"), right.sprx to unSelf.exe
rename eboot.bin-decrypted to eboot.elf
rename libc.prx-decrypted to libc.elf
rename libSceFios2.prx-decrypted to libSceFios2.elf
rename right.sprx-decrypted to right.elf
Run cmd and go to your directory with command cd
downgrade_elf.py --sdk-version 05.050.001 --verbose eboot.elf neweboot.elf
make_fself.py neweboot.elf neweboot.bin
downgrade_elf.py --sdk-version 05.050.001 --verbose libc.elf newlibc.elf
make_fself.py newlibc.elf newlibc.prx
downgrade_elf.py --sdk-version 05.050.001 --verbose libSceFios2.elf newlibSceFios2.elf
make_fself.py newlibSceFios2.elf newlibSceFios2.prx
downgrade_elf.py --sdk-version 05.050.001 --verbose right.elf newright.elf
make_fself.py newright.elf newright.sprx
downgrade_sfo.py --sdk-version 05.050.001 --system-version 05.050.000 --verbose param.sfo newparam.sfo
Copy all files in another directory and rename FIX files
neweboot.bin to eboot.bin
newlibc.prx to libc.prx
newlibSceFios2.prx to libSceFios2.prx
newright.sprx to right.sprx
newparam.sfo to param.sfo
1) Remove original files and replace with FIX files
2) Generate gp4 with gengp4 and save gp4
3) Load gp4 in Fake PKG Generator and repack your build FPKG
if you want donate a coffe with BTC: 3Lox7RdAm82J2AUYZu9Xm5uHgf8TJPqGVz
Enjoy