Need to fix your Nokia? I have published earlier several tips on fixing Nokia phones, for example fixing N73 and Lumia 800. Here is something fore the newest Lumia phone owners: How to take the Nokia Lumia 920 apart – for the DIY crowd
Here is another video that shows how to replace the battery and all the other parts.
Even if you are not planning to repair your new phone you might be interested to take a look at the leaked service manual because Nokia Lumia 920 Service Manual Reveals Internal Components used to build the phone. It also shows reveals large wireless charging coil construction.