The computer chirped. The phone was in DFU mode. Now, it was up to the Arduino. Leo watched the serial monitor:

Once you get it working, glue the USB Host Shield to the Arduino, wrap it in a 3D-printed case, and label it "A5 Resurrection Wand." You’ve earned it.

You have your hardware and firmware. Now, let’s pwn the iPhone 4s.

While the keyword phrase suggests a specific product or a plug-and-play hack, the reality is a fascinating dive into low-level hardware exploitation. This article explores how the humble Arduino (and its clones) intersects with the Checkm8 exploit, specifically regarding devices using the S5L processor family (like the iPhone 4S and iPhone 5), and how enthusiasts use these tools to bypass Apple’s formidable security.

// Find a DFU device (VendorID 0x05AC, ProductID 0x1227) device = usb.getDeviceByVendorProduct(0x05AC, 0x1227);

So, where does the Arduino come in?