Turn on TTY support
TTY support is designed to allow your device to connect with an external TTY device that converts received calls to text.
If your TTY device is designed for use with a 2.5-mm headset jack, you must use an adapter accessory to connect your TTY device to your device. To get an adapter accessory that BlackBerry has approved for use with your device, visit www.shopblackberry.com.
- Connect a TTY device to your device according to the instructions that came with your TTY device.
- In the Phone app, swipe down from the top of the screen.
- Tap > TTY.
- Set the TTY switch to On.
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