There is no sound on the Iphone 1 1 button.

First of all, you can set the system function of the mobile phone by opening the setting function of the mobile phone.

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2

After entering the settings, you can see some settings for entering this function, slide down the page, find the "sound" option, and click Enter.

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three

After entering the sound, slide the page down. At the bottom of the page, you can see the "Touch Tone" button, which is currently closed.

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four

Turn on the button behind "key tone" and you can have key tone.

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abstract

1

1. First, open the setting function of the mobile phone and set the system function of the mobile phone. ?

2. After entering the settings, you can see some settings for entering this function. Slide down the page, find the Sound option, and then click Enter.

3. After entering the sound, slide the page down. At the bottom of the page, you can see the "Touch Tone" button, which is currently off.

4. Turn on the button behind the "key tone" and you can have a key tone.