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Family guides / SOS and emergencies

What is an SOS button and how does it work on a phone?

Understand the difference between a family SOS and emergency assistance. Explore Alkateia's location sharing, alerts, and call shortcuts.

By AlkateiaUpdated September 20, 20263 min read

In this guide
  1. How does an SOS button work on a phone? There is no universal behavior. The operating system's SOS may have its own settings; an app may send alerts to registered members. Families need to understand the specific feature and not assume that pressing any SOS button automatically calls the police or an ambulance.
  2. What is an app with an SOS button for? It provides an additional channel to notify authorized people that someone needs help. Identity, time, and location help recipients understand the context. This is useful only if family members know how to respond and can act. Receiving a notification does not guarantee professional assistance.
  3. How does Alkateia's SOS work? When you trigger SOS, live location is sent to family members as part of the alert. The experience includes shortcuts to call Police, 190, and Fire Department, 193. These are call shortcuts: there is no promise of automatic dispatch or integration that sends the alert directly to these services. (Anatel)
  4. How can I quickly notify my family in an emergency? If it is safe to use your phone, trigger Alkateia's SOS. Family members receive the alert's context depending on connectivity, permissions, and notifications. When possible, add clear information about what happened. Do not wait for the group to respond before seeking official help in a serious emergency.
  5. How can I send my location to my family in an emergency? Alkateia's SOS uses live location during the alert. The phone needs to obtain and send new positions. Lack of internet, battery, or permissions can prevent updates. Read the map location alongside its timestamp, as explained in the live location guide.
  6. What happens if an SOS is canceled? Family members can still view the last recorded location, when the alert was sent, and when it was canceled. This context does not mean the position is still live. See how to interpret an ended SOS.
  7. When should you contact official services? For medical emergencies in Brazil, call SAMU at 192. The police and fire department have their own roles. Describe the situation and follow the operator's instructions. Alkateia does not replace these services. Prepare a family emergency plan and check the numbers and when to use them. (Brazilian Ministry of Health)

An SOS button is a feature for requesting help quickly. Its recipients and operation depend on the device or app: some notify chosen contacts, while others offer access to calls. Before using it, check who receives the alert and what is shared.

How does an SOS button work on a phone? There is no universal behavior. The operating system's SOS may have its own settings; an app may send alerts to registered members. Families need to understand the specific feature and not assume that pressing any SOS button automatically calls the police or an ambulance.

What is an app with an SOS button for? It provides an additional channel to notify authorized people that someone needs help. Identity, time, and location help recipients understand the context. This is useful only if family members know how to respond and can act. Receiving a notification does not guarantee professional assistance.

How does Alkateia's SOS work? When you trigger SOS, live location is sent to family members as part of the alert. The experience includes shortcuts to call Police, 190, and Fire Department, 193. These are call shortcuts: there is no promise of automatic dispatch or integration that sends the alert directly to these services. (Anatel)

Alkateia SOS screen with alert button and shortcuts for Police 190 and Fire Department 193
Family SOS and emergency call shortcuts. Tap the image to enlarge.

How can I quickly notify my family in an emergency? If it is safe to use your phone, trigger Alkateia's SOS. Family members receive the alert's context depending on connectivity, permissions, and notifications. When possible, add clear information about what happened. Do not wait for the group to respond before seeking official help in a serious emergency.

How can I send my location to my family in an emergency? Alkateia's SOS uses live location during the alert. The phone needs to obtain and send new positions. Lack of internet, battery, or permissions can prevent updates. Read the map location alongside its timestamp, as explained in the live location guide.

What happens if an SOS is canceled? Family members can still view the last recorded location, when the alert was sent, and when it was canceled. This context does not mean the position is still live. See how to interpret an ended SOS.

When should you contact official services? For medical emergencies in Brazil, call SAMU at 192. The police and fire department have their own roles. Describe the situation and follow the operator's instructions. Alkateia does not replace these services. Prepare a family emergency plan and check the numbers and when to use them. (Brazilian Ministry of Health)

Sources and references

  1. Anatel — Public Utility and Emergency Services
  2. Brazilian Ministry of Health — SAMU 192

Sources accessed September 20, 2026. Informational content produced by Alkateia; information about the app describes its own features.