If your Samsung S23 won’t charge when plugged in, you’re not alone. Across the UK — from London and Manchester to Birmingham, Liverpool, and Edinburgh — users report the phone showing “charging not detected” or refusing to charge entirely. This guide provides a detailed, practical troubleshooting path, combining software fixes, hardware checks, and real UK user experiences.
Related internal resources:
- Samsung Brand Hub
- Battery & Power Hub
- Connectivity & Network Hub
Why Your Samsung S23 May Not Charge
Charging issues generally fall into two categories: software-related and hardware-related.
Software Causes
- Corrupted USB settings or system cache after updates
- Moisture detection glitches, especially in coastal cities like Brighton or Bournemouth
- Third-party apps interfering with USB-C protocols
- Firmware update incompatibilities with certain cables
Hardware Causes
- Loose or damaged USB-C port pins
- Debris or lint inside the port
- Corrosion due to humidity or water exposure
- Failure of the charging controller IC
Real UK User Experiences
Based on feedback from UK forums and repair shops:
- London: “Phone only charges with one specific cable; swapped cable and worked instantly.”
- Manchester: “After an update, fast charging disappeared but slow charging still works.”
- Glasgow: “Moisture detected warning appeared even though the phone was dry.”
- Bristol: “Phone charges wirelessly but USB-C port remains unresponsive.”
Step-by-Step Troubleshooting for UK Users
1. Test Cables and Chargers
Use Samsung-certified chargers or those approved by UK carriers such as EE, O2, Vodafone, or Three. Avoid cheap third-party cables.
2. Inspect and Clean the Charging Port
Debris is a frequent cause of connection failure. Use a wooden toothpick or soft brush. Compressed air can help remove dust or lint from deep inside.
3. Reset USB Settings and Clear System Cache
- Open Settings → Apps → Show System Apps
- Search for USBSettings, USB Device Manager, and USB Debugging
- Clear cache and data for each
- Restart the phone
4. Safe Mode Test
Boot into Safe Mode to identify third-party app conflicts:
- Hold the Power button
- Press and hold Power Off
- Select Safe Mode
If charging works in Safe Mode, uninstall recently updated or battery management apps.
5. Check for Moisture Detection Errors
Coastal and rainy UK cities often trigger false moisture warnings:
- Unplug the phone and leave in a dry area
- Enable Airplane Mode
- Wait 30–60 minutes, then retry charging
6. Run Samsung Members Diagnostics
Use Samsung Members app:
- Open Samsung Members → Support → Diagnostics
- Run tests for USB, battery, and charging
7. Wipe Cache Partition
- Turn off phone
- Hold Volume Up + Power
- Select Wipe cache partition in Recovery Mode
- Reboot device
When Hardware Repair is Needed
If software fixes fail, the USB-C port may be damaged. UK repair options include:
- Samsung Authorised Service Centres: London, Manchester, Birmingham – £90–£140
- Local repair shops: Leeds, Sheffield, Bristol – £45–£85
- Mail-in services: Available nationwide, convenient for smaller towns like Swansea or Newcastle
Preventing Future Charging Issues
- Use certified Samsung or UK carrier chargers
- Restart your phone after updates
- Clean USB-C port monthly
- Avoid charging in humid rooms
- Keep Samsung Members and Galaxy Store apps updated
Conclusion
Most Samsung S23 charging problems in the UK are software-related and can be fixed at home with the steps above. Hardware issues are rarer but can be resolved via authorised or local repair services. Following this troubleshooting path ensures that your device is charging reliably again without unnecessary cost or downtime.
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