Do I need service to use Imessage on an iphone 5?

So I my friend bought me an iphone that's unlocked, so I got a sim from T-Mobile and started to use it.
Soon I stopped paying my bills for T-Mobile because I had another phone. (KEEP IN MIND I ACTIVATED IMESSAGE AFTER I GOT THE SIM CARD AND IT WAS IN SERVICE, ALSO I SIGNED IN MY APPLE ID FOR BOTH IMESSAGE AND FACETIME) so after a while I went back to the iphone, It had no service because I didn't pay the bill but the sim was still inside. I turned off imessage and facetime because I didn't know it was free. Later on I turned it back on but when I did, it would either say waiting for activation (I THINK) or activation unsuccessful. Do I need service to activate it? If so how do I activate it with out a service?

Added (1). Please IGNORE THE TITLE AND READ THE DETAILS.

Risking on Ebay? Is it worth it?

I'm a realtively new seller on ebay. I have only 3 feedbacks and they are all positive so technically i'm at a 100%. Its recenetly occurred to me that the top way to make money on ebay is through auction and starting out selling items by.99 cents on auction which is risky as heck. Some peope do em with iphones and stuff life that. I think i'm gonna try to run the risk of.99cent auction starts but i'm a bit nervous.

What i sell usually is really in trend stuff that has a lot of fakes, but i promise all my material is 100% authentic.

Like i have 2 ralph lauren polo's i wanna sell one girl and one men, G shocks, Phones, Raybands, things around the house.

My question is, is the 99 cent auction really like a okay thing like i don't want to sell my ralph lauren polo and it only goes up to 5 bucks when its valued at 22

Iphone 4 home button unresponsive? - 1

I got a new iphone 4 and i've noticed i have to press a little hard for it to respond. When I click it softly, it doesn't work. Is this normal? Should I get if fixed even thought it works when pressed properly?

Does a system restore completely get rid of the sweetpacks virus? - 1

I had it and It stopped everything running in that modem from working iphones, gaming devices etc. Well long story short, I did a system restore and everything is working again but my concern is, is it possible the virus is still on the computer? Any help is appreciated as I'm not very tech savvy. Lol

Which cell phone comepanies (Verizon, Sprint, AT&T) have iPhones?

My employer in Japan sent me to Boston, and i'm probably going to stay here for 5 years or so. Such a lovely place i love Boston.

anyway so I need a cell phone, but i think i want an iPhone considering how much i have already been used to using Apple products. It's just for the sufficiency as i already have a lot of other things to take care of.

i heard i should go to a Sprint location for an iPhone. But i was just wondering if anyone knew of any other cell phone shops who have iPhones?

How long is iphone 4s battery life?

I'm getting an iphone 4s today I'm just wondering how long the battery time lasts, I will be using it for games and apps like twitter instagram facebook and whatsapp maybe facetime aswell thanks.