How change color of metal using heat?

I live in Henderson, NV and I would like know if there are any places where I can go that works with metal tempuring. I have steel that needs to be tinted to a specific color, but I need a professional to do the work. The kind of metal is the bezel of a iPhone 3GS

Unable to join network on my iPhone 4s?

Just got a new printer, so we had to re-setup my Wi-Fi connection. We changed the password, and it now works on all of our laptops/computer. However, when I try to join the new network, I type in the new password, and it just says "Unable to join network", and I have no clue how to fix it.

My iPhone won't let me save images from google?

My iPhone 5 won't let me save images from google. I use to be able to just hold down on an image and the option to save image would be there. Now I don't see that option. How can I save images? Any other ways?

I've deleted all my photos and apps, but my iPhone still says I've used 3.4 GB?

I never updated my phone to IOS 7 when it came out last year because I had tons of pictures and nothing to import them to, which left me with not enough GB space. I've recently gotten a laptop so I imported almost all of my old pictures and deleted the rest, as well as deleting all my apps. However, it still says I don't have enough room to update, as I have used 3.4 GB. What can I do to fix this?