To try it out, simply tap and hold the “123” button while you input numbers or punctuation marks. Once you’re finished using the numeric keyboard, let go of the “123” button, and your keyboard will change back to its alphabet mode without the need of an extra tap.

Tap “General.” Tap “Accessibility.” Tap slider to the “On” position next to “White on Black.” Tap the “General” button to save your changes.

How to change color filters and tint on an iPhone

1. Start the Settings app.
2. Tap “General,” and then tap “Accessibility.”
3. On the Accessibility page, tap “Display Accommodations.”
4. Tap “Color Filters.”
5. Turn on “Color Filters” by swiping the button to the right.
6. Choose the color filter best suited to your sight needs.

Nope, you are not allowed to. You can hide the “Phone” app somewhere, and put the “True celler” app on the home menu bar.

Unfortunately, there is no effective way to change the color, as you would have to change the display, which is not possible. You could consider getting a new iPhone with color.

How to turn on Dark Mode

1. Go to Settings, then tap Display & Brightness.
2. Select Dark to turn on Dark Mode.

The default dialer cannot be changed in iOS and remains the SIM-Interface. But instead of tap to dial, press and hold and you get this menu from where you can select 3CX.

Tap in the text input field(where you draft iMessages). Just above the keyboard, in the row of apps, select FancyBubble. This will bring up different colored message bubble options.

Open the Calendar app and tap Calendars or the Calendar icon to show your list. Then do the following to edit the colors. 1) Tap the Info icon (small letter “i”) to the right of the calendar’s name. 2) Choose a color from the list.

You can adjust the intensity of any of the Color Filters to fit your needs. Use the Intensity slider to customize a filter that’s more intense or less intense. If you have color or light sensitivity, tap Color Tint to change the hue of the entire display on your iPhone, iPad or iPod Touch.

Like for example when you’re texting a person send a message to that person then it becomes blue on your text but when that person sent you a text back it gray but you want it in a different color. Generally there are three colors the iOS messages app provides each for different sources of messages they handle; gray is inconclusive.

Open the Settings app, then tap Accessibility > Display & Text Size > Color Filters. You’ll see three examples of color spaces to help you select an option that fits your needs. Swipe left or right on the examples to find a filter that works best for you.