Phone Not Charging? Here’s What’s Actually Wrong
Phone Not Charging? Here's What's Actually Wrong
What to Do When Your Phone Won’t Charge
You plug your phone in before bed. You wake up and it’s still at 12%. Or the cable only works at a certain angle. Or your phone doesn’t recognise the charger at all.
Charging problems are one of the most common repairs we handle at our City Rd shop. Before you assume your phone is dying, here’s what’s probably going on and how to fix it.
The Most Likely Cause: Your Charging Port Is Blocked
This is the number one reason phones stop charging properly, and it’s the simplest to fix.
Your phone lives in your pocket. Pockets are full of lint, dust, and tiny fibres. Over months, this debris gets packed into the bottom of your charging port every time you push the cable in. Eventually, the cable can’t make proper contact with the pins inside the port.
Signs of a blocked port:
- The cable feels loose and falls out easily
- Charging only works if you hold the cable at a specific angle
- The phone charges intermittently – connects and disconnects repeatedly
- The cable doesn’t click into place like it used to
Can You Clean It Yourself?
You can try, but be careful:
- Don’t use a metal pin or needle – you’ll scratch the connector pins and cause permanent damage
- Don’t blow into it – moisture from your breath can cause corrosion
- Try a wooden toothpick – gently scrape the bottom of the port to loosen compacted lint. Work carefully and don’t force it
- Compressed air – a short burst from a can of compressed air can dislodge loose debris
If the toothpick trick doesn’t work, or if you’re not comfortable poking around inside your phone’s port, bring it in. We clean charging ports professionally with anti-static tools – it takes five minutes and costs far less than a port replacement.
The Cable Might Be the Problem
Before blaming your phone, check your cable and charger:
- Try a different cable – cables wear out, especially at the connector ends where they bend. If a different cable works, your phone is fine
- Try a different power adapter – wall plugs can fail too. Test with a different one
- Try a different power source – plug into a wall socket instead of a laptop USB port, which delivers less power
- Check the cable connector – look for bent pins, corrosion, or visible damage on the Lightning or USB-C end
Cheap cables from online marketplaces are a common culprit. They work initially but degrade fast. Stick to branded or MFi-certified cables (for iPhones) or cables from reputable brands.
Software Issues That Affect Charging
Sometimes the problem is software, not hardware:
- Restart your phone – a simple restart fixes a surprising number of charging issues by resetting the power management system
- Check for updates – operating system updates sometimes include fixes for charging and battery management bugs
- Check battery health – on iPhone, go to Settings > Battery > Battery Health. If maximum capacity is below 80%, the battery is degraded and may not charge properly. On Samsung, check Settings > Battery > Battery Status
When the Charging Port Actually Needs Replacing
If you’ve tried different cables, cleaned the port, and restarted the phone, and it still won’t charge properly, the charging port itself may be damaged.
Common causes of port damage:
- Water or moisture exposure – corrosion on the internal pins. Even small amounts of moisture from rain or humidity can cause this over time
- Physical damage – the port has been bent or broken from a fall, or from forcing a cable in at the wrong angle
- Wear and tear – after thousands of plug-unplug cycles, the port contacts wear down. This is normal after 2-3 years of daily use
A charging port replacement is a straightforward repair. We replace the entire port assembly, which also includes the microphone on most phone models, so you get a fresh port and a fresh mic.
For iPhones, we handle all models from iPhone 7 through to the latest iPhone 16 range. For Samsung phones, we repair the full Galaxy S and A series.
Wireless Charging as a Backup
If your phone supports wireless charging (most phones from the last 4-5 years do), a wireless charging pad can keep you going while you wait for a port repair. It’s slower than wired charging but it works independently of the charging port.
You can pick up a basic Qi wireless charger for under £20. We stock them at our shop if you need one.
Don’t Wait Until It Stops Completely
A charging port that works intermittently today will fail completely soon. The lint gets more compacted, the corrosion spreads, and the worn contacts lose more connection area over time.
If your phone only charges at certain angles, or you’ve been balancing books on top of the cable to keep it connected – it’s time to get it looked at.
We’re at 1 City Rd, St Andrews. Walk in anytime.
Call 01334 478866 or walk in. Most charging port repairs are done same-day.