There are many ways to change a photo’s tint using photoshop. I have made this short tutorial to show you how to change a photo from black and white to sepia using three different methods, each with similar results but with subtle differences.
We can use this image as a test image.

Sepia tint method 1
Method 1.
Change your photo to RGB mode. Select from the top menus – image/adjustments/photo-filter.

Sepia tint method 1 step 1
You will get a colour box pop up. Choose a sepia colour.

Sepia tint method 1 step 2
Choose a fairly dark one

Sepia tint method 1 step
and then use the slider to increase the density.

Sepia tint method 1 step 4
Final result.

Sepia tint method 1 final result
Method 2
This method using “colour balance”. From the menus select image/adjustments/colour balance

Sepia tint method 2
Change the sliders with the radio button “shadows” selected so that you dial in around 20 red and 20 yellow.

Sepia tint method 2 step 1
Then do the same with the “midtones” but around 15 red and 15 yellow. You can tweak these setting to your own preferences.

Sepia tint method 2 step 2
Here is the final result. This method does not alter the whites in the highlights.

Sepia tint method 2 step 3
Method 3
Using a colour fill layer. Select from the menus, layer/new fill layer/solid colour

Sepia tint method 3 step 1
Then select “colour” in the blending mode box.

Sepia tint method 3 step 2
Select a nice sepia colour

Sepia tint method 3 step 3
and you are done!

Sepia tint method 3 Final Image
I hope this helps everyone and just choose a method which suits you best if it were my choice I would go with method 2
Repair my photo from Image-Restore.co.uk