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To restore network settings on a Samsung Galaxy, open Settings > General management > Reset and choose the reset that matches the problem: Reset mobile network settings for cellular service, calls, or mobile data, or Reset Wi-Fi and Bluetooth settings for those connections. This does not erase your apps or personal data, but you may need to reconnect to Wi-Fi networks and Bluetooth accessories afterward.
Choose the reset for the connection that is failing
- Cellular service, calls, or mobile data: Choose Reset mobile network settings. Samsung says this removes saved mobile-network configuration and reconnects the device to the carrier using default settings. Samsung’s U.S. instructions describe the reset, and its mobile-network troubleshooting guidance covers related checks.
- Wi-Fi or Bluetooth: Choose Reset Wi-Fi and Bluetooth settings. Plan to connect to saved Wi-Fi networks and Bluetooth accessories again after the reset. Samsung’s reset guidance explains the available options.
If the problem is specifically how mobile data connects through an Access Point Name (APN), checking or resetting APN settings is a separate troubleshooting step, not the network-settings reset. Samsung also documents changing network mode as a separate action. See Samsung’s APN and network-mode guidance.
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Reset network settings on a Galaxy
- Open Settings.
- Tap General management, then Reset.
- Tap Reset mobile network settings for a cellular issue, or Reset Wi-Fi and Bluetooth settings for a Wi-Fi or Bluetooth issue.
- Review the on-screen information. Enter your device credentials if requested, then tap Reset settings. Confirm with Reset if that prompt appears.
These are the labels in Samsung’s documented U.S. path; the exact prompts can vary. Samsung Canada notes that menu availability and names can differ by model, software version, and wireless provider. If you cannot find the option, search Settings for “Reset” or consult support for your Galaxy model and region. Samsung Canada’s guidance on network-reset variations discusses those differences.
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What the reset changes—and what it does not
A network-settings reset is not a factory data reset. Samsung says a network reset does not erase apps or data. The mobile-network option removes saved mobile-network configuration and reconnects using carrier defaults; the Wi-Fi and Bluetooth option means you will need to reconnect those networks and accessories. Samsung’s reset guidance distinguishes these effects.
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Do not choose Factory data reset to troubleshoot a connection. That is a different, broader operation: Samsung says it erases data and apps and recommends backing up personal information first. Read Samsung’s factory-reset information before using that option.
If cellular service still does not work
If the mobile-network reset does not resolve the issue, use the symptom to guide the next check rather than repeating the reset.
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Check whether the Galaxy recognizes the SIM. Samsung also recommends checking whether a carrier SIM-protection service is preventing activation on a new device. If the SIM or account status remains unclear, contact the carrier. Samsung’s SIM and mobile-network troubleshooting steps cover these checks.
Calls, messages, data, signal, or hotspot still failing
Ask the carrier to investigate service or account issues if calls, SMS/MMS, mobile data, signal, or hotspot service continue to fail after the reset. Samsung also points to checking network mode and APN settings, running Phone diagnostics in Samsung Members where available, and seeking Samsung service if connection loss persists. Samsung Members diagnostics require the app and a supported Galaxy device. Samsung’s connection troubleshooting guidance outlines these options.
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