Back in the day when shells were cool, this was the coolest one to be running, and in fact, it’s still the coolest, all the other wannabe shells are played out. From AhMan to F34R comes iR Shell v5.2, which adds support for custom firmware 5.50 GEN-D3. There is no need to update if you’re on 5.00 M33-6 running iR Shell v5.0 already. iR Shell pretty much does everything the XMB does, plus way more, and with a totally different UI. You’ll probably want to auto boot iR Shell when your PSP starts — it’s that awesome. How awesome? Well here is one example of iR Shell’s added functionality: Advanced Multi-tasking![/p]iR Shell v5.2 Install: This is the full installation package. You’ll need to delete your existing /IRSHELL folder, if you have one, and copy this one over. Make sure to run ms0:/IRSHELL/PATCH/5.00/btcnfpatch.prx, from iR Shell’s Directory View, after installation. iR Shell v5.2 for CFW 5.50 GEN-D3 iR Shell v5.0 for CFW 5.00 M33-6 Source People on PSP-Hacks are confirming this works with 5.50 Prometheus.