"Your iPhone could not be activated because the activation server is temporarily unavailable."

Possible causes:

1. Your antivirus is blocking access to gs.apple.com.

2. Your phone is jailbroken.

3. Your computer has been used at some time in the past to jaibreak some iOS device (not necessarily the phone with the problem), and its network database was corrupted by the hacking software that was used.

4. Apple's activation servers are down (very rare, and never for more than an hour or so).

For 1. try disabling your antivirus.

For 2. & 3. you need to go somewhere other than an apple forum for help. Although you can try deleting lines containing gs.apple.com from your "hosts" file on your computer.

is your problem solved tell me how?

I told you how in the message you responded to.

that answer clearly isn't complete

So what would you add to Lawerence's list?

WANT TO THANK YOU FOR FIX ON BRICK IPHONE MUCH THANKS COULD NOT FIND OUT HOW TO THANK YOU ON YOUR SITE FOR FIXING BRICKED PHONE SITE X