Loving this idea.
A new mobile phone concept that would give users a chance to choose from a range of components, and replace or upgrade them when necessary, has generated enormous interest online.
http://www.bbc.co.uk/news/magazine-24490331
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Well, it sounds interesting, but by the end of the day, it isn't as useful as it seems;
For example upgrading your camera: Let's say you've got the blokphone. At the beginning it works great, all parts work together seamlessly. But now you want to upgrade the camera, so you get more Megapixels and a higher frequent shutter.
The problem is going to be: The CPU is still going to be the old one and it's very likely, that it is going to struggle with the new camera throwing more data at it in less time. On top: More Megapixels means bigger photos; so it might be, that your storage is not going to be enough, meaning you'll need to get a new storage blok as well.
And this is only one example. Upgrading single parts of a electronic device rarely makes sense.
And the repairability? Well, how often do get parts like a gyroscope break? Or the Wifi chip? How big is the probability that this is going to be any advantage?
If something needs to be replaced it's going to be easier, that's true. But this is not going to happen that often and the times it's not happening, you end up with a bulky phone.
I agree, parts like the battery, which are getting consumed over time, should be either replaceable or being able to be replaced at a low cost, but I don't see the need for the other parts.