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Samsung Galaxy A03s
Manage DTMF Tones

Improve the responsiveness of your Galaxy A03s automated phone systems by changing Dual-Tone Multi Frequency (DTMF) tone settings.

Steps

Open the

Phone app

Tap the

3-dot Menu

then tap

Settings

Tap

Other call settings

Tap

DTMF tones

Select one of the following:

Normal

Long