Proud Little 3DS Find on eBay

I was looking on eBay for a cheap 3DS system with power/charging issues since they can generally be fixed by simply replacing the battery and/or dropping a tiny bit of solder on the charging port connections on the motherboard.

Well, I came across a Cosmo Black O3DS, which I've always found to be a great looking system.

Ordered it, got it three days later.
Immediately, it was having charging issues. I had to wrap the charger around the system in a way that the tension would keep the plug bent backwards, thus forcing the connector to make proper contact with the motherboard.

30 minutes later, bam. Another issue. Despite the orange light being lit for a half an hour, which is indicative of the system actually charging, I couldn't get it to power on. Grabbed the battery out of my other O3DS which also isn't in great shape (this one's blue, and I'd rather have my new black one in working order until I find the willpower to order another battery) and thew it in my new system.
It powers on! Awesome.

Checked System Settings, and it was running 7.1.0-0U for those who are interested.
Yep, 0U, meaning no brower, meaning this thing was updated from God knows what firmware with a gamecard.
After snooping a bit more, I found that parental controls had been set up. Not much of a problem, and I was able to reset it using this tool.

So, long story short, I opened up the system and added a tiny bit of solder to the charging port's contacts with the motherboard. Closed it up, screwed everything back together, and now it's charging flawlessly.

The only issue now is that despite moving around the 3D slider, the 3D remains beefed all the way to the max, but I just set up parental controls and disabled the 3D altogether, since the 3D on O3DS/XL systems isn't great. Whatever.

Took 5 minutes to install B9S with ntrboot, and viola. Fully usable hacked system.

For $30, it's not a bad deal, though. Great as a "little brother" system to my N3DS XL if I want to carry around something a bit more pocket-friendly.


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That's a decent find.

I had a similar issue with my charging port until eventually it gave up completely. I can't solder for shit so I took a gamble on buying a cheap docking station charger thing and it worked a treat.
 
Funny, that was the case with that blue 3DS I mentioned. I traded a DS Lite that was in near-perfect condition with my step brother, since he had just got a 3DS XL.

Plugging it in wouldn't charge it unless I wrapped the cord, but one of the Nintendo charging docks found at GameStop for $5 did the trick nicely.
 
My lazy suggestion was going to be, "Use a Wii U Pro controller battery and swap with your 3DS."

Cool stuff, nonetheless; good to see you got everything working.

You're actually making me consider B9s'ing my O3DS.
 
Here I was happy with my £1 original DS that just needed a charge (and probably flashme a bit later down the line).

Granted as 3ds has no games it is in many ways the same but eh.
 

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