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Samsung Galaxy S21 FE 5G
Manage DTMF Tones

Improve the responsiveness of your Galaxy S21 FE 5G in automated phone systems by changing Dual-Tone Multi Frequency (DTMF) tone settings.

Steps

Open the

Phone app

Tap the

3-dot Menu icon

then tap

Settings

Tap

Other call settings

Tap

DTMF tones

then select one of the following:

Normal

Long