Will resetting network settings lose all my known Wifi's?

Better idea would be each iphone use the same ApppleID and only turn on Find My iPhone service on that account. Then each person have own appleID they use with the other services and imessage and facetime.
Better idea would be each iphone use the same ApppleID and only turn on Find My iPhone service on that account. Then each person have own appleID they use with the other services and imessage and facetime.
in iOS7 only the main iCloud account can have access to the f"ind my phone" feature. Prior, you were able to use "find my phone" with any/multiple icloud accounts added to the device. Thus, I was able to see all family members devices from one screen. Not anymore. PITA to check on the kids are from time to time.
I have also noticed that "find my phone" wasn't working initially on other devices, even though the setting was activated. Once I accessed the settings page it worked right away. Might be due to having multiple accounts previously. Don't know.
Just got off a chat with apple support. The steps that solved my case was
1. turn imessage off
2. hold sleep & home button until you see apple logo
3. turn imessage on
It's not solved for me.. for a while at least. and then you don't have to worry about resetting your network settings and losing access to previously connected wifi spots.
Facetime and iMessage use both a Server Token and Device token. Erasing device and restoring from backup resets the device token and resetting your appleID password resets the server token.
I had this issue yesterday, as did two of my friends. Turning iMessages off, restarting and turning them back on fixed the issue for all of us. I stand by my statement that iOS 7 needed 2-3 more beta releases before going public. I used all the betas and still felt work was needed and still is.
Not unless that change under iOS7 (and it could have, I'm still on JB). With iOS 6 you can't do it that way. To see all devices on one FindMyIphone map, they have to be on a common iCloud ID.