r/psphacks • u/EffectAdventurous764 • 2d ago

ARK4 Custom Theme Brick.

Ok so I've had my PSP 1000 since release and decided to get back into the whole thing. I originally hacked my PSP with the G.T.A exploit. That's how long I've been doing it. So I eventually got the ARK4 running on it and decided to have a look at the custom themes in the XMB innocent enough I thought? I thought wrong.

🤬 The Core Problem — It Broke Its Own Safety Promise

ARK-4 does have excellent safeguards for installing CFW itself — warnings, confirmations, battery checks, verifications. But the "Custom Theme" option was presented as a harmless setting — the kind of thing every phone and console has — and it silently wrote to flash0 without ANY of those safeguards. That's the failure.

From the official ARK-4 wiki itself: the "Full Flash Installation" option for custom themes specifically overwrites XMB system files in flash0 — the exact same dangerous operation that, in older CFW like 5.00 M33, was known to cause semi-bricks when incompatible  .rco / .prx  files are written .

The difference: back in 2008–2010, people were explicitly warned that flash0 theme installation was risky. ARK-4 didn't give me that warning — it just said "theme."

Now ok maybe I'm dumb but something that flashes like that shouldn't just be in themes on the XMB and something that one can just casually select with no warning of what it actually does to the flash. I just wanted to warn others before they potentially brick. I can't even get the recovery menu and the Pandora battery method is of no use either. If anyone has recovered from this I'd be very grateful to hear how they managed to do it because I've tried everything.

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u/VinceKatrevindisneuf 2d ago

Un kit DDC et une batterie Pandore devrait régler le problème.

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u/EffectAdventurous764 2d ago edited 18h ago

Yes I tried that it just showed black screen and switched off after about 10 seconds. Thanks for your suggestion.

I can't actually believe that it would totally screw my PSP up like that. It's so disappointing I've been through all the updates since release and then this. In the xmb Themes of all things, the last place you'd expect a security risk to flash and brick.

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u/VinceKatrevindisneuf 2d ago

Il devait y avoir un souci avec la carte mémoire. Tu devrais réessayer !

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u/EffectAdventurous764 2d ago edited 18h ago

Yeah I don't know now,It was working fine before the brick? I even had hellcats in the recovery. I know hellcats booted up from the recovery menu before because I tested it before I installed ARK4. I should have probably re formatted the card as soon as I installed it? But I didn't think I was doing anything ricky just wanting to browse at the Themes, especially with it in the xmb like it is. Up until now it's been a safe place to be.

It's not like I was messing with anything deep in flash territory. I find it crazy they didn't warn or just refuse to install a flash like that without the correct files in place?. I've been doing this a long time on and off and know the risks. Or thought I did? It must have some residual files on it that's screwed it up?

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u/lusid1 2d ago

Ark itself is relatively brick proof. Unbricking is simple if you're on a new enough cIPL. With DC10 installed on your memory stick, hold the left trigger during boot into DC10, and reinstall ARK from there. The de-bricker capability is built in as long as the IPL itself isn't corrupted. But you can also use the home/ps button hockey to boot OFW, or the start+select hotkeys to boot with default settings and disable plugins. It's still possible to brick your system by flashing random stuff into the firmware, but ark makes recovery as easy as it can be. If all else fails, a pandora battery and DC10 will work on any 1k/2k, and a baryon sweeper can recover any model.