Tutorial :
Madali lang po ang pag upgrade ng PSP no need any techie requirements ,
needs lang po yun PSP,USB CABLE,PC , Internet Connection ,tiyaga ,pagbabasa maigi ^_^ .
Lets Start 
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Note:Make sure full charge psp ,pwede din lagay mo yun adapter para siguro,ksi pag naoff or failed brick psp mo
need mo ng usb cable at pc ,to connect ang psp sa pc ,mailagay ang mga file na kailangan.
Upgrading to 6.20 OFFICIAL FIRMWARE
1. Download 6.20 Official Firmware
Download extract it using Winrar.yun UPDATE folder lagay mo sa
MS:/PSP/GAME/ its looks like this "MS:/PSP/GAME/UPDATE/EBOOT.PBP"
2. Open your psp ,in XMB menu goto GAME run 6.20 SONY UPDATER .fallow
instruction in updater,its takes only 4 to 5 minutes , wag gagalawin
or off .hayaan lang matapos hanggang 100%
3. After upgrade .Check your firmware SYSTEM SETTING-SYSTEM INFORMATION
now your psp in 6.20 Official Firmware.Now we can install 6.20 PRO-B10
^^ .
Upgrading to 6.20 PRO-B10
Note:Read instruction carefully,para di ka mag problem sa huli.
After maupgrade mo yun firmware mo to 6.20 OFFICIAL FIRMWARE pwede na tyo ma upgrade to 6.20 PRO-B10.
1. Download 6.20 PRO-B10 Bundle.
Copy/Paste yun PROUPDATE, FASTRECOVERY .PERMANENT folder ,lagay mo sa MS:/PSP/GAME.
2. Open your psp punta go to Game ,run mo yun "Proupdate" choose install
(x) to install at mag reboot ang psp mo check mo yun firmware kung
6.20 PRO-B10.
Go again in game run "Fast recovery" it will restart check again dapat 6.20 PRO-B10 pa din.
3. Here the critical stage ,yun permanent pero safe naman ito
ito ksi pag nainstall mo na permanent na sya sa psp .
Run the "Permanent (BOOTLOADER)"
may lalabas na "are you going to install" choose (X)
may lalabas ulit "if it failed you should stop installing and report " choose (X) yes
4. Its will back in XMB (Main Menu),kapag ok naman ,di nag crash at
6.20 PRO-B10 pa din. note: pero kapag nag crash wag na install yun
permanent mag fast recovery ka na lang, ibig sabihin nyan ,di puede sa
psp mo.
5. Run mo ulit yun "Permanent (BOOTLOADER)".
may lalabas na "are you going to install" choose (X)
may lalabas na "are you going to install" now choose (O)no
now check you firmware dapat 6.20 PRO-B10
to check kung Permanent na sya PRESS "SELECT" sa PRO VSH MENU choose SHUTDOWN DEVICE
tapos ON mo ulit PSP mo, check your firmware dapat 6.20 PRO-B10.
Congratz naka CFW ka na ,pwede mo na lagyan ng mga laro
remainder ko lang yun vshorig.prx nasa MS:/ root ng psp mo .
ingatan mo yun make backup need mo yun in future.
Gudluck po sa iyo.