Dialer for Samsung Galaxy: Set It as Default and Keep It Awake

Dialer for Samsung business calls

The Auto Dialer turns a Galaxy phone into a calling desk: it replaces the Samsung Phone app as the default, dials a lead list one number after another from the SIM you pick, and shows each person's status and last remark on the call screen. Samsung's own app stays installed, so switching back takes one tap. The setting that matters most on a Galaxy is not the default app, though; it is app sleep. Samsung's developer documentation, read on 4 October 2026, says an app unused for about 3 days that strains battery can be put to sleep, with alarms restricted, and after 16 days of non-use it goes into deep sleep, where it cannot run at all until opened. A dialer that rings callback reminders must never land in either list. Samsung adds that since One UI 6.0, foreground services built to Android 14's rules are guaranteed to work, but the sleep lists still apply.

Dialer for Samsung default phone app setting

1. Open Settings and tap Apps.
2. Tap Choose default apps. Some One UI releases call it Default apps; the exact wording varies by version.
3. Tap Phone app and select The Auto Dialer.
4. Confirm the prompt. From now on, the green call button and the call screen belong to the new app.

In practice, The Auto Dialer raises the same request during its guided setup, so most Galaxy owners never open this menu. It is worth knowing for the day a system update or a second calling app quietly takes the role back. The full background on the role, and on reversing it, is in how to change the default dialer on Android.

Dialer for Samsung in never sleeping apps

Never sleeping apps is the One UI list that exempts an app from automatic sleep. Find it under Settings › Battery and device care › Battery › Background usage limits. That screen holds four controls:

• Put unused apps to sleep. A phone-wide switch. Best left off on a work phone that relies on reminders.
• Sleeping apps. Apps that may wake if used again. Best for: games and shopping apps, not your dialer.
• Deep sleeping apps. Apps that never run in the background. Check that The Auto Dialer is not listed here.
• Never sleeping apps. Add The Auto Dialer with the plus sign. Best for anything that must ring on time.

On recent Galaxy software you can also open the app's own page under Apps, tap Battery and choose Unrestricted. Samsung warns that never-sleeping apps can use more battery, which is a fair trade for a phone whose job is calling. Settings like these have been reported to revert after major updates, so recheck them after each one. Other brands put the same kind of battery control in different menus, as the guides to a dialer for Xiaomi and a dialer for vivo show.

Dialer for Samsung setup checklist

Dialer for Samsung vs the Samsung Phone app

The Samsung Phone app is a good personal dialer; it simply knows nothing about leads. Here is how the three sensible setups compare on a Galaxy:

• Samsung Phone app alone. Calls and contacts, no lead history. Best for: a phone used only for personal calls.
• The Auto Dialer as the phone app. List dialing, a lead card on every call, remarks and follow-up alarms. Best for: anyone whose income depends on calling back on time.
• The Auto Dialer in CRM team mode. Samsung's app keeps the calls; the after-call sheet still opens after each one. Best for: staff who prefer Samsung's familiar call screen and mostly take incoming calls.

Dialer for Samsung in a showroom team

Illustration in round numbers, invented for this page rather than taken from a customer.

A car dealership in Johannesburg equips 4 sales consultants with Galaxy A-series phones. Each consultant works about 40 test-drive enquiries a week. In week one, two phones stop ringing their Saturday callback alarms: the app had not been opened for three days over a long weekend and One UI put it to sleep. The sales manager adds The Auto Dialer to Never sleeping apps on all four phones. The next Saturday, all 4 consultants' reminders ring at the promised times, and the manager can check the team call logs and connected-call counts on Monday morning instead of asking who called whom.

Dialer for Samsung limits

A Galaxy phone carries one call at a time on its SIM, and The Auto Dialer never dials ahead of the caller. If your team needs many simultaneous lines, a phone dialer is the wrong tool; the power and predictive dialer comparison explains the difference. Galaxy owners who rely on Samsung-only calling extras inside the Samsung Phone app should keep that app as default and use CRM team mode instead. Reminders that still arrive late after these steps are covered in how callback alarms ring on a locked phone. Teams mixing Galaxy handsets with Google phones can follow the dialer for Pixel guide, and other brands' settings sit in the hub of Android brand guides.