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This wikiHow teaches you how to change the contrast of the colors in a photo that's in black and white on your iPhone.
Steps
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1Open your iPhone's Photos. It's the multicolored pinwheel icon on the Home Screen.
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2Tap an album. You should have several albums listed here, including "All Photos" and "Videos".
- If you don't see any albums, tap Albums in the bottom right corner of the screen.
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3Select a photo to edit.
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4Tap the slider icon. It's on the bottom of the screen, to the left of the garbage can icon.
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5Tap the knob. It's to the right of the three overlapping circles at the bottom of the screen.
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6Tap the downward-facing arrow next to B&W.
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7Tap Tone.
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8Swipe the Tone slider left or right. The slider at the bottom of the screen changes the color depth of the black and white tones in your photo. Dragging the slider left will reduce the depth, while dragging it right will increase it.
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9Tap Done. It's in the bottom right corner of the screen. Doing so will save the changes to your photo.
About This Article
1. Open a photo in Photos.
2. Tap the slider icon at the bottom of the page.
3. Tap the white knob at the bottom of the screen.
4. Tap the downward-facing arrow next to B&W.
5. Tap Tone.
6. Swipe the Tone slider left or right.
7. Tap Done.



























































