Use Wi-Fi without activating phone
Shambhu, When you were testing the Samsung S390G, do you happen to remember (or know) if the Wi-Fi capabilities work without activating the phone? Weird question, I know, but I really DO have a reason for knowing.
Yes, I actually did exactly that because I decided I would use the phone for a giveaway. I didn't want the person who got it to go through the hassle of having to get a new SIM card to re-activate the phone.
Web access through WiFi worked fine. I think that's true of pretty much any phone that has WiFi. For example, I'm done with testing the Galaxy Precedent, so it's no longer active. It can still connect over WiFi, so the kids still sometimes use it to play games and watch videos.
BTW, I don't know what you want to use your S390g for, but one advantage it has is that it can play YouTube videos over WiFi, while the LG 840g has no YouTube player.