PSP Firmware 3.400EAR+?

[VampDude]

Chinese custom firmwares are always the best, they're just like Dark Alex's but somewhat more complex as they play about with the code and they add new stuff (but they're originally Dark Alex's firmwares)

[Chameleon]

it stands for 3.40 revison 1, + meaning more to come, r is for revision.

lower end sites do this to influence people to download, and/ or to simplify the naming process

[jackarooz]

lol probaly but im not sure about the error free part

[-Xandu-]

It seems like it has ISO-related features:
1. Xie UMD Dumper + +0 + Beta [1] .2. Rar
2.將入而有個兩個file....UMD+Dumper+Beta+0[1].2/psp/game入面個兩個[/free]2. Will have to file two months .... UMD Dumper + +0 + Beta [1] .2 / psp / game into a two-[/ free]
3. copy落你既ms....姐係ms0/psp/game1503. - You copy both ms .... Aunt Department ms0/psp/game150
4.開psp入面既 UMD DAX Dumper Beta 0.24. Daily lift opened both UMD DAX Dumper 0.2 Beta
5.ok左之後放入你要轉做ISO既UMDAdd 5.ok left after you switch to the ISO both UMD
6.將Format轉做ISO6. Format will switch to the ISO
7.Compression level轉做97.Compression level switch to 9
8.按Start制8. Start by system