Installing Kmeaw 3.55 CFW on PS3 (Backup Manager Support)

I used to play backup games using USB dongle
Today i decided to try 3.55 CFW (i dont play online so it's not a problem PSN access not working for me)
Here is how i did it
Requirements
1- PS3 in 3.55 OFW or less (mine was 3.41)
2- USB flash drive (formatted FAT32) to transfer the PUP and .PKG files from your PC
Procedure:
Install Original 3.55

1- Download the 3.55 OFW from here
2- unrar it on your pc
3- create folders PS3\UPDATE on your flash drive
4- Copy Extracted file (PS3UPDAT.PUP) to flashdrive\PS3\UPDATE\PS3UPDAT.PUP
5- Insert Flash drive in PS3 (i used left port)
6- Go to the System Update, you can find it on Settings menu.
7- Pick “Update via Storage Media”.
8- Wait until reboot
Install 3.55 CFW
1- Download the 3.55 CFW from here
2- unrar it on your pc
3- create folders PS3\UPDATE on your flash drive
4- Copy Extracted file (PS3UPDAT.PUP) to flashdrive\PS3\UPDATE\PS3UPDAT.PUP
5- Insert Flash drive in PS3 (i used left port)
6- Go to the System Update, you can find it on Settings menu.
7- Pick “Update via Storage Media”.
8- Wait until reboot
Install Backup Manager
1- you can use GAIA Manager from here or Multiman from here
2- extract file and put it in the root of your flash drive
3- go to games then install packages then select manager to install
4- Enjoy your backups

PS
- This is a how to install PS3 update that can allow you to use your games backups
- Site is not encouraging or helping download others Games Backup and use it