iFixit published information about the iPhone 16's repairability, giving it a 'provisional' repairability score, as it does for many devices. What stands out in this report is the demonstration of ...

get two alligator clips and a 100 ohm resistor. Then, follow these steps: Now, you can check the reading. Anything lower than 1.2V for a 1.5V battery or 7.2V for a 9V battery should be tossed out.

As you can see in the video below, he uses a 9V battery, a clip, some popsicle sticks, and the wire from a ballpoint pen. He also used a switch, but we couldn’t help but think that was ...