The TestM diagnostic mode offers 26 tests, which range from testing the cameras, touchscreen, microphone, and even the haptic engine, to a comprehensive stress test that pushes ...
I seem to be someone who buys things on the off chance that they will be useful at some point down the road. While there are many times when it doesn't feel like this pays off, some of the weird gadgets that I've picked up ended up being super useful, and have become part of the kit I use.
See it now: OptiVISOR on Amazon
The Donegan OptiVISOR is a hands-free, headband binocular magnifier that's super useful when your eyes are just not what they used to be. (Well, mine have never been awesome, so I've used one of these for years.)
I like the brand because there are loads of different lenses available, along with loupes and even lights.
Caption by: Adrian Kingsley-Hughes
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