Editing PUP

PUP are "PlayStation Update" files, you can download the latest firmware's PUP files from [https://www.playstation.com/en-nz/support/hardware/ps5/system-software/ Sony's firwmare update page] or via [[Updatelist.xml]]

You can install any .PUP that is higher or equal to than the PS5 current firmware version but not anything below below without hacking 
There is both Recovery and Update PUPs, recovery contains the entire firmware and will reinstall everything upon installing it, but update will leave anything that wasnt changed.

{| class="wikitable"
|+ Data structure
|-
! Offset !! Name !! Value/Description
|-
| 0x00 || Magic || Always 53 4C 42 32 "SLB2"
|-
| 0x30 || File table || Contains a list of all files in the PUP
|}

== Update Index Order ==

<pre>
[INFO] writing system firmware phase 1 (18)    usb_pdc_salina_c0.bls
[INFO] writing system firmware phase 2 (16)    emc_salina_c0.bls
[INFO] writing system firmware phase 3 (11)    titania.bls
[INFO] writing system firmware phase 4 (14)    eap_kbl.bin
[INFO] writing system firmware phase 5 (4)     mbr.bin
[INFO] writing system firmware phase 6 (259)   oberon_sec_ldr_c0.bin
[INFO] writing system firmware phase 7 (5)     kernel.bin
<reboots here...>
[INFO] writing system firmware phase 8 (513)   wlanbt.bin <can't decrypt>
[INFO] writing system firmware phase 9 (515)   ssd0.system_b <can't decrypt>
[INFO] writing system firmware phase 10 (516)  ssd0.system_ex_b <can't decrypt>
[INFO] writing system firmware phase 11 (519)  ssd0.preinst
<mounts system and system ex here...>
[INFO] writing system firmware phase 12 (2000) bluray.bin <can't decrypt>
</pre>