📶 [SOLVED] Samsung Galaxy S25 Ultra Keeps Losing Cellular Signal
1Is your Galaxy S25 Ultra constantly dropping cellular signal? Don’t worry—this guide will help you troubleshoot and fix the issue step-by-step.
🔍 Common Causes of Signal Drops
Poor coverage in your area
Loose or damaged SIM card
Incorrect network mode
Software bugs or outdated settings
Conflicts from Wi-Fi Calling or VPNs
🕒 Timestamps:
0:00 Why Your Phone Keeps Losing Signal
0:22 Check & Reseat SIM Card
0:48 Switch Network Mode (5G/LTE)
1:18 Turn Off Wi-Fi Calling
1:40 Reset Network Settings
2:04 Install Software & Carrier Updates
2:32 When to Contact Your Carrier
🛠️ How to Fix It
1️⃣ Check and Reseat Your SIM Card
Use the SIM ejector tool to remove the tray
Wipe the SIM clean and check for damage
Reinsert securely, restart your phone
2️⃣ Switch Network Modes
Go to Settings → Connections → Mobile Networks
Tap Network Mode → Set it to 5G auto
If already on 5G, switch to LTE, wait, then switch back to 5G
3️⃣ Turn Off Wi-Fi Calling Temporarily
Go to Settings → Connections → Wi-Fi Calling
Turn it off and monitor your signal
4️⃣ Reset Mobile Network Settings
Go to Settings → General Management → Reset
Tap Reset Mobile Network Settings, confirm and reboot
5️⃣ Check for Software and Carrier Updates
Go to Settings → Software Update → Download and Install
Also check Connections → Mobile Networks for any Carrier Settings Update
📞 Still Having Trouble?
If nothing works, contact your carrier to check for network issues or request a replacement SIM.
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