Dont think so m8, might be wrong though look for m33 firmware, then upgrade it to Custom Firmware 5.03 GEN A and then B I think it is.
have a psp 1000 running 1.5 running custom firmware 3.40oea looking to ...
have a psp 1000 running 1.5 running custom firmware 3.40oea looking to update to latest firmware can anyone tell me if i can go straight up to the latest firmware thanks
Dont think so m8, might be wrong though look for m33 firmware, then upgrade it to Custom Firmware 5.03 GEN A and then B I think it is.
Click on the link below & you will find the explanation.
I used this company to upgrade my firmware, it's only £20, but if you want to do it by yourself & save money you can read their web, it's very helpful:
PSP firmware flash, upgrade & repairs in Manchester & UK
try this my mate
[TUTORIAL] noob friendly way to upgrade to higher custom firmware - PSP Hacks - Forums
pretty str8 forward, any trouble let me know and I'll help you with it no problem.
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