Huawei Mate 9 - Manual (Page 110)

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Touch > Settings > TTY mode. There are four options:
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TTY Full: Text-only communication on both sides of the phone call.
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TTY HCO: Hear a voice read the incoming text and type the outgoing text.
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TTY VCO: Speak the outgoing text and receive a text message back.
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TTY Off: Standard voice communication on both sides of the phone call.
Creating a contact card
Create a contact card to quickly share your contact information. You can share your contact
information by scanning the QR code or by sending the contact card using an instant messaging
service such as WhatsApp.
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Open Contacts.
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Touch Me.
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Set your profile picture. Enter your name, company, telephone number and other contact
information, and then touch . Your phone will automatically create a contact card with a
QR code.
Share your contact card: Touch . Select the card format and sharing method, and then
follow the onscreen instructions.
Calls and Contacts
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