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! Location !! Value (Binary OR assigned) !! Description
! Location !! Value (Binary OR assigned) !! Description
|-
|-
| 0x14 byte(21) || 2 bytes || BDP CONTROL - Checked by appldr, isoldr.
| 0x24 byte(36) || 0x1 / 0x4 ||  
0x1 DEH_DEBUG_DISABLE<br>
0x2 DEX_DEBUG_DISABLE<br>
0x4 ALL_DEBUG_DISABLE<br>
0x8 DEH_BOOT_ENABLE<br>
0x10 DEX_BOOT_ENABLE<br>
0x20 CEX_BOOT_ENABLE<br>
0x40 ARCADE_BOOT_ENABLE
|-
| 0x16 byte(23) || 2 bytes || CONNECT_CONTROL - Checked by appldr, isoldr.
0x1 DEH_DEBUG_DISABLE<br>
0x2 DEX_DEBUG_DISABLE <br>
0x4 ALL_DEBUG_DISABLE<br>
0x8 DEH_BOOT_ENABLE <br>
0x10 DEX_BOOT_ENABLE <br>
0x20 CEX_BOOT_ENABLE <br>
0x40 ARCADE_BOOT_ENABLE<br>
|-
| 0x24 byte(36) || 0x1 / 0x2 / 0x4 / 0x8 || QA_FLAG_RESERVED_FOR_VSH
|-
| 0x24 byte(36) || 0x1 || QA_FLAG_RESERVED_FOR_VSH0
|-
| 0x24 byte(36) || 0x2 || QA_FLAG_RESERVED_FOR_VSH1
|-
| 0x24 byte(36) || 0x4 || QA_FLAG_RESERVED_FOR_VSH2
|-
| 0x24 byte(36) || 0x8 || QA_FLAG_RESERVED_FOR_VSH3
|-
|-
| 0x27 byte(39) || 0x1 ||  QA_FLAG_EXAM_API_ENABLE
| 0x27 byte(39) || 0x1 ||  QA_FLAG_EXAM_API_ENABLE
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| 0x27 byte(39) || 0x2 ||  QA_FLAG_QA_MODE_ENABLE
| 0x27 byte(39) || 0x2 ||  QA_FLAG_QA_MODE_ENABLE
|-
|-
| 0x2B byte(43) || 0x1 || System Debug (lv1ldr decrypts token and send it to lv0, lv0 sets sys.ac.sd repo node)
| 0x2B byte(43) || 0x1 || System Debugger Flag  (lv1ldr decrypts token and send it to lv0, lv0 sets sys.ac.sd repo node)
|-
| 0x2B byte(43) || 0x2 || LV2 System App Debug
|-
|-
| 0x2C byte(44) || 0x9 || Advanced Token Flag!!
| 0x2C byte(44) || 0x9 || Advanced Token Flag!!
|-
|-
| 0x2F byte(47) || 0x1 / 0x2 / 0x3 / 0x4 ||  QA-Token-Flag: (0x01 : Minimum) (0x02 : Advanced) (0x03 : undocumented)  
| 0x2F byte(47) || 0x1 / 0x2 / 0x3 ||  QA-Token-Flag: (0x01 : Minimum) (0x02 : Advanced) (0x03 : undocumented)  
|-
|-
| 0x2F byte(47) || 0x1 || QA_FLAG_SPECIAL_I
| 0x2F byte(47) || flag 0x1 || if ((byte0x2F & 0x1) != 0) -> it allows isoldr(and may be other loaders) to use second key_table
it allows isoldr(and may be other loaders) to use second key_table
|-
|-
| 0x2F byte(47) || 0x2 || QA_FLAG_ALLOW_TEST_APP
| 0x2F byte(47) || flag 0x4 || if ((byte0x2F & 0x4) != 0) internal mode(QA flag minimum or advanced): Allows lv2_kernel.self to run sys_init_osd.self, liblv2.sprx and sys_init_osd.self to run vsh.self and sys_audio.self from /app_home/
|-
|-
| 0x2F byte(47) || 0x4 || QA_FLAG_ALLOW_REMOTE_SPAWN
| 0x33 byte(51) || flag 0x1  || special execution mode: Allows sys_init_osd.self to run either 2nd_image_writer.self or cellftp.self (copy_script.txt), setmonitor.self (monitor.conf) and lv2diag2.self to run from /dev_usb000/
internal mode(QA flag minimum or advanced): Allows lv2_kernel.self to run sys_init_osd.self, liblv2.sprx and sys_init_osd.self to run vsh.self and sys_audio.self from /app_home/
<!-- there's also a 2nd way to launch lv2diag2.self and a way to launch /app_home/uinit_app.elf instead of sys_agent.self ???-->
|-
|-
| 0x33 byte(51) || 0x1 || QA_FLAG_ALLOW_NON_QA  
| 0x33 byte(51) || 0x1 || QA_FLAG_ALLOW_NON_QA
special execution mode: Allows sys_init_osd.self to run either 2nd_image_writer.self or cellftp.self (copy_script.txt), setmonitor.self (monitor.conf) and lv2diag2.self to run from /dev_usb000/
<!-- there's also a 2nd way to launch lv2diag2.self and a way to launch /app_home/uinit_app.elf instead of sys_agent.self ???-->
|-
|-
| 0x33 byte(51) || 0x2 || QA_FLAG_FORCE_UPDATE
| 0x33 byte(51) || 0x2 || QA_FLAG_FORCE_UPDATE
updates to any firmware, ignoring version checks
|}
|}


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== Known Issues with QA flag / QA downgrades ==
== Known Issues with QA flag / QA downgrades ==


=== act.dat (PSN activation) gets deleted ===
=== Act.dat (PSN activation) gets deleted ===
Make sure you backup the file before enabling QA-extra flag and downgrade. There have been reports of ACT.DAT ("home/000000XX/exdata/act.dat") get's deleted. So make sure to backup that entire folder before flagging/downgrading.
Make sure you backup the file before enabling QA-extra flag and downgrade. There have been reports of ACT.DAT ("home/000000XX/exdata/act.dat") get's deleted. So make sure to backup that entire folder before flagging/downgrading.


* http://rebug.me/xreg-plus-v1-0/
* http://rebug.me/xreg-plus-v1-0/
* http://www.maxconsole.com/maxcon_forums/threads/270400-Restore-act-dat-Homebrew-to-help-with-copying-your-PSN-activation-files!
* http://www.maxconsole.com/maxcon_forums/threads/270400-Restore-act-dat-Homebrew-to-help-with-copying-your-PSN-activation-files!
= Useful links =
* https://rmscrypt.wordpress.com/




{{Reverse engineering}}<noinclude>[[Category:Main]]</noinclude>
{{Reverse engineering}}<noinclude>[[Category:Main]]</noinclude>
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