Development on an unlocked phone without a service of mobile company

I am currently locked with a plan of black berries but want to start development on Windows Phone 7. Of course, I can test my application with the emulators, but another option is to buy an unlocked phone. My question is that if I buy an unlocked phone and no service do not receive a mobile phone company, I'll be able to connect to my WiFi and test things like characteristic of location based on my program (such as the list of local restaurants)? Are there things that I won't be able to test at least that get a service from the mobile company?

Now, I have developed several applications without a SIM card in the phone - so you can do it. You just need to be careful with:

a false sense of speed - wifi is much faster and more reliable than the 3G.
a lack of test for "real phone breakdowns" - for example notifications of calls, SMS messages, etc.

As a first step, you can also develop on the emulator with no phone at all - but other things are missing (GPS, accelerometer) and some things are slightly different again (e.g. resources faster loading, the screen draws sometimes faster)

Tags: BlackBerry Developers

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