So I have this phone for a couple of months and tomorrow, finally, my subscription with my current provider ends (data usage is extreme expensive, so I never used it)
So I was wondering, if I disable APN... does the phone still uses more battery as if you don't have anything like I have now? (I mean, searching for sync and stuff?)

and what if I have apn switched on but don't have 3G or even EDGE... what will the phone do? keep searching (and thus using battery like crazy?)