Playstation Update Package (PUP)
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Extraction
The PS VITA update files can be extracted using the "PS VITA Firmware xTractor".
Decryption
To decrypt the files which are unpacked using the tool, the key is available under PS Vita Keys
Structure
It is not complete but here you can see the basic structure:
Offset | Length | Type | Information |
---|---|---|---|
0x0 | 0x8 | Magic | |
0x6 | 0x2 | Package Version | |
0x08 | 0x2 | Image Version | |
0x18 | 0x8 | File Count | |
0x10 | 0x4 | Firmware/SDK Version? | |
0x14 | 0x4 | ?? | UNKNOWN |
0x20 | 0x8 | Header Length | |
0x28 | 0x8 | File Length |
Regioning
If simular to PS3, then there is no regioning in the .PUP files, they are the same for all different regions.
The PS Vita however gets the psp2-updatelist.xml from different servers, depening on the region of that model.
Retail:
<update_data_list> <region id="jp"> <np level0_system_version="01.500.000" level1_system_version="01.500.000" level2_system_version="01.500.000"/> <version system_version="01.500.000" label="01.500"> <update_data update_type="full"> <image size="94496256"> http://djp01.psp2.update.playstation.net/update/psp2/image/2011_1214/rel_f090a69bcf392b5c311b9e786c5cc0b5/PSP2UPDAT.PUP?dest=jp </image> </update_data> </version> <recovery spkg_type="systemdata"> <image spkg_version="01.000.010" size="56817152"> http://djp01.psp2.update.playstation.net/update/psp2/image/2011_1214/sd_484243f3964158b38ad1adaac0332a3e/PSP2UPDAT.PUP?dest=jp </image> </recovery> <recovery spkg_type="preinst"> <image spkg_version="01.000.000" size="128837120"> http://djp01.psp2.update.playstation.net/update/psp2/image/2011_1214/pre_24b5601c3b3aa63b51cf5eaeab718a4c/PSP2UPDAT.PUP?dest=jp </image> </recovery> </region> </update_data_list>
Shop:
<update_data_list> <region id="shop"> <np level0_system_version="00.000.000" level1_system_version="00.000.000" level2_system_version="00.000.000"/> <version system_version="00.000.000"> <update_data update_type="full"> <image>NA</image> </update_data> </version> </region> </update_data_list>
Retail basic structure of the update URL:
http://d<TLD>01.psp2.update.playstation.net/update/psp2/image/<YYYY_MMDD>/pre_<md5>/PSP2UPDAT.PUP?dest=<TLD> (TLD=2 letter abbreviation from above region, YYYY_MMDD is release date, md5 is 22-digits long HASH)
Revisions
1.03
SKU Release version in Japan
1.50
Update released online together with Japanese launch
01.500.000 PSP2UPDAT.PUP's (266.73 MB)
PUP Files
Information | From Offset | To Offset | Length | Notes |
---|---|---|---|---|
LICENCE | 0xA00 | 0x713DF | 0x709E0 | - |
PSP2SWU_0 | - | - | - | this file is the binary0<.self/.sprx>. it should update the filesystem (this file is exactly the same on v1.00, v1.00b, v1.50) |
PSP2SWU_1 | - | - | - | this file is the binary1<.self/.sprx>. it should check the new filesystem (this file is exactly the same on v1.00, v1.00b, v1.50) |
- | - | - | - | - |