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Never heard of them before, just looked though, you need to hole punch or cut a hole in the exsisting sim?
Apparently so, theres a small microchip on the turbo sim so from what I've seen you need to make a small gap at the top of the sim you use, its only plastic at the top anyways. And I would only do it if I was certain I wasnt going to damage the sim.
Just a solution option for you though. I've rather have the turbo sim so I can use over and over again than pay £10 to a mobile shop every time I need mobby unlocked.
I was thinking of getting one and testing it on a free pay as you go sim first to see how it went.
Other than that its either a custom clip, take it to the mobby shop, or get a serial cable and software and DIY it. These are the only options I know about. Hope this helps. Cheers.