[ErikPshat]

Декриптовал прошивку 4.83, а так же, все SCE-файлы *.tar и *.pkg

Содержимое файла UPL.xml

<?xml version="1.0" encoding="UTF-8"?>

<UpdatePackageList>

    <Header>
        <Version>04.8300</Version>
        <Build>67697,20180902</Build>
        <UplFormatVersion>1.00</UplFormatVersion>
        <Product>CEX-ww</Product>
        <Region>JAPAN</Region>
    </Header>

    <Package>
        <Type>CoreOs</Type>
        <FileName>CORE_OS_PACKAGE.pkg</FileName>
    </Package>


    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_000.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_001.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_002.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_003.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_004.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_005.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_006.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_007.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_008.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_009.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_010.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_011.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_012.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_013.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_014.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_015.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_016.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_017.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_018.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_019.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_020.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_021.tar.aa.2018_09_02_220401</FileName>
    </Package>
    <Package>
        <Type>VSH</Type>
        <FileName>dev_flash_022.tar.aa.2018_09_02_220401</FileName>
    </Package>


    <Package>
        <Type>BdpRevoke</Type>
        <FileName>dev_flash3_023.tar.aa.2018_09_02_220531</FileName>
    </Package>


    <Package>
        <Type>BD</Type>
        <FileName>BDIT_FIRMWARE_PACKAGE.pkg</FileName>
    </Package>
    <Package>
        <Type>BD</Type>
        <FileName>BDPT_FIRMWARE_PACKAGE_301R.pkg</FileName>
    </Package>
    <Package>
        <Type>BD</Type>
        <FileName>BDPT_FIRMWARE_PACKAGE_302R.pkg</FileName>
    </Package>
    <Package>
        <Type>BD</Type>
        <FileName>BDPT_FIRMWARE_PACKAGE_303R.pkg</FileName>
    </Package>
    <Package>
        <Type>BD</Type>
        <FileName>BDPT_FIRMWARE_PACKAGE_304R.pkg</FileName>
    </Package>
    <Package>
        <Type>BD</Type>
        <FileName>BDPT_FIRMWARE_PACKAGE_306R.pkg</FileName>
    </Package>
    <Package>
        <Type>BD</Type>
        <FileName>BDPT_FIRMWARE_PACKAGE_308R.pkg</FileName>
    </Package>
    <Package>
        <Type>BD</Type>
        <FileName>BDPT_FIRMWARE_PACKAGE_310R.pkg</FileName>
    </Package>
    <Package>
        <Type>BD</Type>
        <FileName>BDPT_FIRMWARE_PACKAGE_312R.pkg</FileName>
    </Package>
    <Package>
        <Type>BD</Type>
        <FileName>BDPT_FIRMWARE_PACKAGE_314R.pkg</FileName>
    </Package>
    <Package>
        <Type>BD</Type>
        <FileName>BDPT_FIRMWARE_PACKAGE_316R.pkg</FileName>
    </Package>
    <Package>
        <Type>BD</Type>
        <FileName>BDPT_FIRMWARE_PACKAGE_318R.pkg</FileName>
    </Package>

    <Package>
        <Type>MCC</Type>
        <FileName>MULTI_CARD_FIRMWARE.pkg</FileName>
    </Package>

    <Package>
        <Type>BT</Type>
        <FileName>BLUETOOTH_FIRMWARE.pkg</FileName>
    </Package>

    <Package>
        <Type>SC</Type>
        <FileName>SYS_CON_FIRMWARE_01000006.pkg</FileName>
    </Package>
    <Package>
        <Type>SC</Type>
        <FileName>SYS_CON_FIRMWARE_01010303.pkg</FileName>
    </Package>
    <Package>
        <Type>SC</Type>
        <FileName>SYS_CON_FIRMWARE_01020302.pkg</FileName>
    </Package>
    <Package>
        <Type>SC</Type>
        <FileName>SYS_CON_FIRMWARE_01030302.pkg</FileName>
    </Package>
    <Package>
        <Type>SC</Type>
        <FileName>SYS_CON_FIRMWARE_01040402.pkg</FileName>
    </Package>
    <Package>
        <Type>SC</Type>
        <FileName>SYS_CON_FIRMWARE_01050002.pkg</FileName>
    </Package>
    <Package>
        <Type>SC</Type>
        <FileName>SYS_CON_FIRMWARE_01050101.pkg</FileName>
    </Package>
    <Package>
        <Type>SC</Type>
        <FileName>SYS_CON_FIRMWARE_S1_00010002083E0832.pkg</FileName>
    </Package>
</UpdatePackageList>

Все ключи PSP в эмуляторе PS3 на месте

PSP_keys483.png