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Analyzing Kindle 4.0
Well, Amazon might as well have stolen my wallet, because I am going to lose a couple hundreds of dollars. However, what fun is a Kindle if we can’t run our own code? (Answer: still pretty fun, but...
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Reversing the Xperia Play emulator (part deux)
The last time we spoke, I managed to run any PSX game on the Xperia Play by redirecting some function calls. Well, since then Sony (you could say) fixed it (still don’t know how, I should look into it...
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Kindle Touch (5.0) Jailbreak/Root and SSH
Update Kindle 5.0.3 has fixed the hole to allow for jailbreak. Upgrading an already jailbroken Kindle Touch is fine as the update does not remove the custom key to allow custom packages. If you on...
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Welcome to the new yifan.lu!
It’s a new year, and I’m a bit tired of the old design. There were some main problems with it besides the looks though. The biggest one is I never wrote a backend for my “projects” list, so every time...
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Playstation Vita’s USB MTP Connection Analyzed
This is the first of (hopefully) many posts on the PS Vita. Before I attempt anything drastic with the device, such as getting unsigned code to run, I hope I can try something easy (well, easier) to...
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Unlocking T-Mobile 4G Hotspot (ZTE MF61): A case study
So, I have one of these MiFi clone from T-Mobile and want to unlock it to use on AT&T (I know that AT&T 4G/3G isn’t supported, but I thought maybe I could fix that later). The first thing I...
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[April Fools] Yifan Lu has been acquired by Electronic Arts Inc.
KATY, Texas, Apr 01, 2012 (BUSINESS WIRE) — Electronic Arts Inc. (NASDAQ: ERTS) today announced it has acquired Yifan Lu, a leading innovator and badass for $4.95 USD and two chicken sandwiches. The...
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[April Fools] Electronic Arts Inc. announces the closing of Yifan Lu
KATY, Texas, Apr 01, 2012 (BUSINESS WIRE) — Electronic Arts Inc. (NASDAQ: ERTS) today announced it will be permanently closing it’s doors at Yifan Lu. “The hardest part of my job is laying off...
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PlayStation Vita: the progress and the plan
Sorry that it’s been a while since I’ve said anything about the Vita. I was caught by surprise the last time of all the media attention from just a simple call for help. While I still don’t want to say...
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Huawei E587 (T-Mobile 4G Sonic Hotspot): Information and rooting
Earlier this year, I got my hands on the T-Mobile 4G Sonic Hotspot and as always, had to tear it apart as soon as I got it. I never wrote about it because I didn’t find anything overly interesting, but...
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libVitaMTP & OpenCMA: Vita content management on Linux (and more)
More than a year ago, I’ve analyzed how the Vita communicates with the computer. I mentioned at the end that I started a project that will be an open source implementation of the protocol that the Vita...
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Why hacking the Vita is hard (or: a history of first hacks)
It’s been about a year since I revealed the first userland Vita exploit and I still occasionally get messages asking “what happened” (not much) or “when can I play my downloaded games” (hopefully...
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I need your help to fund Vita hardware analysis
It’s been a little more than a year since I demonstrated the first Vita running unsigned code, and it’s been dead silent since then. There is a lot of work on the PSP emulator but it’s been pretty...
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Unlimited Backgrounding on iOS
Since iOS4, developers have the ability to perform background tasks with some limitations. Background tasks must fit one of the five different categories for background supported apps. Music and...
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Removing the CPU and NAND from PSVita
Thanks again to everyone who helped fund this project! This is the first part of the long journey into hardware land. I bought a non-working Vita logic board from eBay, which arrived yesterday,...
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PS Vita NAND Pinout
As promised, here’s the pinout for the Vita’s eMMC (NAND). Don’t be fooled by the picture; the size of the resistors are TINY. Plus, if you noticed, half the traces are almost hugging the shield base...
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Random observations on Vita logic board
While I’m waiting for more tools to arrive, here’s some things I’ve found while playing around with the continuity test on a multimeter. There is no stunning discovery here, just bits and pieces of...
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Updates on the Vita Hardware Hacking project
After a week of trying to dump the eMMC (spoilers: didn’t happen yet), I’ve decided to post this update about things I’ve tried to do (and how I tried to do it) and where the money is going to....
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PS Vita NAND Pinout (Updated)
Since the last post on the eMMC pinout, I found the other two important test points. First is VCCQ, which is the power to the eMMC controller. It needs to be pulled at 1.8V. The other point is VCC,...
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Dumping the Vita NAND
When we last left off, I had spent an excess of 100 hours (I’m not exaggerating since that entire time I was working, I listened to This American Life and went through over a hundred one-hour episodes)...
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