Job Send a distress signal using Zalo is becoming an essential digital survival skill in the increasingly complicated situation of floods. The newly updated SOS map feature not only helps people instantly connect with rescue teams but also supports accurate positioning of rescue locations in real time.

Operational mechanism of the Zalo SOS rescue map

In the face of unpredictable floods and rains, technology has been thoroughly applied to support search and rescue work. The SOS map feature works on data visualization, helping stakeholders easily grasp the actual situation on the ground.

Classify rescue status on the map

The system is designed to display information in the most intuitive way through color coding, helping viewers clearly distinguish between emergencies and safe places. The system will automatically put people’s location information on the map in the form red dot as soon as the request is sent, signaling that this is a hot spot that needs urgent help. Cases that have received timely support will have their display status changed to greenhelps mark areas that have been processed.

Resource optimization and local coordination

Not only does it show the location, the map also plays an important role in coordinating forces to avoid wasting the efforts of relief teams. The map supports data filtering by specific localities, helping authorities easily localize and coordinate on-site rescue teams quickly. This approach significantly shortens the time it takes to get to the scene and minimizes duplication of resources, ensuring help reaches as many people as possible.

Instructions on the process of sending a distress signal using Zalo

To ensure information reaches rescue forces accurately and quickly, people need to perform the correct operations on the application.

Step 1: User open Zalo applicationaccess features Zalo SOS and proceed to send a rescue request with important information such as location, detailed description of current condition and necessary material needs.

Step 2: Immediately after sending, the system will automatically put this request on the public map, displayed as a red dot at the exact coordinates of the sender’s location to warn.

Step 3: Authorities and the surrounding community will monitor the map and use local filters to identify red alert points closest to their area to plan their approach.

Step 4: When the relief work is completed, rescue participants or people need to confirm on the system again to change the status from red to green, signaling the end of the mission.

Conclusion

The birth of the SOS map is a remarkable and helpful effort Send a distress signal using Zalo become more effective and practical than ever. Hopefully, with the above specific instructions, people in flood areas will have an effective tool to protect themselves and their families. Please proactively update this feature to help the community and authorities get through the stormy season in the safest way.

The 5G technology revolution is spreading strongly in Vietnam, promising to bring outstanding connection experiences. To enjoy the full potential of this new generation of mobile networks,… Check 5G coverage is extremely important. Don't worry, AnonyViet will guide you how to do that. You will know exactly whether the area you are in or plan to visit supports 5G or not, from which you can choose the appropriate package and device.

2 methods to check 5G coverage

Method 1: Use Speedtest

Speedtest is a familiar tool that not only helps test internet speed but also provides visual coverage maps of mobile networks.

Step 1: Open the Speedtest app on your phone. Your phone screen will display a toolbar at the bottom. Click and select “Maps”.

Step 2: The map interface will appear. Here, you can select a mobile network (such as Viettel, MobiFone, Vinaphone) to see the coverage area of ​​each network.

Step 3: Looking on the map, you will see coverage areas displayed in different colors. Colors correspond to the type of technology: for example, with Viettel, dark blue represents 5G coverage, while green represents LTE coverage. Pay attention to the color glossary, which helps you clearly distinguish between wave types.

Note: The coverage map on Speedtest is for reference only. Actual coverage may vary slightly due to many factors such as terrain, user density, and changes in network infrastructure.

See more: Register to experience Viettel 5G for free: Enjoy top network speeds

Method 2: Use Nperf

Nperf is a more professional tool, providing detailed information about coverage and signal quality. You can visit Nperf website or download the application on your phone (App Store and Google Play).

Step 1: Start the application or visit the Nperf website. Select Vietnam as the country, then select the network carrier you want to test.

Step 2: Zoom in to see detailed coverage at the location you want to know. Nperf provides clear distinction of wave types through color coding such as:

• Dark gray: Area with no mobile signal.
• Blue: 2G mobile network coverage area.
• Green: 3G coverage area.
• Orange: 4G coverage area.
• Red: 4G+ coverage area.
• Purple: 5G coverage area.

Note: In the Nperf app, you will need to find the toolbar in the upper left corner of the screen, select “Speed ​​Map & Report” and then select your carrier.

See more: How to check if your phone supports 5G or not

Conclusion

Job Check 5G coverage It is extremely important before deciding to buy a device or sign up for a package. Using tools like Speedtest and Nperf, you can easily find out if the area you live in or plan to visit supports 5G. This helps you best prepare for a fast and smooth connection experience on the new generation mobile network. Wish you success!