By the DevX mobile testing team. We tested every charging troubleshooting method in this guide on Samsung Galaxy S25, Google Pixel 9, OnePlus 13, and Motorola Edge running Android 15. We verified USB-C cable testing, charger swapping, port cleaning, safe mode charging, wireless charging fallback, and battery calibration procedures. We also tested with multiple third-party chargers and cables from Anker, Belkin, and UGREEN. All troubleshooting steps confirmed working March 2026.
Your Android phone won’t charge, or it’s charging extremely slowly, and you need to fix it. This is one of the most common phone problems and it’s usually caused by something simple — a bad cable, lint in the charging port, or a software glitch. Before you assume your battery is dead or head to a repair shop, work through these fixes in order. Most charging problems can be solved at home in a few minutes.
Quick Fixes To Try First
Before doing anything else, try these three things. They fix the majority of charging issues:
- Try a different cable. USB-C cables are the most common failure point. The connectors wear out, internal wires break, and cheap cables degrade quickly. Swap in a known-good cable and see if your phone charges.
- Try a different charger (power adapter). If a new cable doesn’t help, the wall adapter may be the problem. Use a different charger or plug your cable into a laptop USB port to test.
- Restart your phone. A soft reboot clears software glitches that can prevent charging. Hold the power button, tap Restart, and check if charging resumes after the reboot.
If your phone starts charging with a different cable or charger, you’ve found the problem — replace the faulty accessory. If none of these quick fixes work, continue with the steps below.
Clean the Charging Port
Pocket lint, dust, and debris are one of the most common reasons Android phones stop charging. Material compacts inside the USB-C port over time and prevents the cable from making a solid connection.
How To Clean Your Charging Port Safely
- Power off your phone before cleaning.
- Use a wooden or plastic toothpick to gently scrape out lint and debris. Do not use metal objects — they can damage the connector pins inside the port.
- Use short, gentle strokes along the bottom and sides of the port.
- Follow up with a few short bursts of compressed air (hold the can upright) to blow out loosened particles.
- Shine a flashlight into the port to check that it’s clean.
You’ll often be surprised how much lint comes out, especially if you carry your phone in a pocket. After cleaning, plug in your cable — it should click in firmly. If it still feels loose, the port itself may be damaged (see the hardware section below).
Check for Software Issues
Software problems can prevent your phone from recognizing the charger or can cause abnormally slow charging.
Charge in Safe Mode
Safe Mode disables all third-party apps, which helps determine if a downloaded app is interfering with charging.
- Press and hold the Power button until the power menu appears.
- Long-press Power off until the Reboot to safe mode prompt appears.
- Tap OK.
- Once in Safe Mode, plug in your charger and check if charging works normally.
If your phone charges fine in Safe Mode, a third-party app is the culprit. Restart normally and uninstall recently installed apps one by one until you find the problem app. Battery optimization apps and “fast charging” apps are common offenders.
Check Battery Usage
Sometimes your phone is charging, but a rogue app is draining battery faster than the charger can replenish it.
- Go to Settings → Battery (or Battery and device care on Samsung).
- Tap Battery usage to see which apps consumed the most power.
- If any app shows abnormally high usage, force stop it or uninstall it.
Update Your Phone
Charging bugs occasionally appear in Android updates and are fixed in subsequent patches.
- Go to Settings → System → System update (or Settings → Software update on Samsung).
- Check for and install any available updates.
- Restart and try charging again.
Why Your Phone Charges Slowly
If your phone is charging but very slowly, these are the most likely causes:
Wrong charger wattage. Using a 5W charger on a phone that supports 25W or 45W fast charging will take hours to fully charge. Check your phone’s supported charging speed and use a matching adapter. Samsung Galaxy S25 supports 25W, Pixel 9 supports 27W, OnePlus 13 supports 100W, and Motorola Edge supports 68W.
Charging while using the phone. Running games, streaming video, or using GPS navigation while charging generates heat, which triggers thermal throttling that slows charging speed. For the fastest charge, plug in and leave the screen off.
Background apps draining power. Dozens of apps running in the background can consume power faster than a slow charger provides it. Close unnecessary apps or enable Airplane Mode while charging for maximum speed.
USB port instead of wall charger. Laptop and computer USB ports typically deliver only 5W (USB-A) or 15W (USB-C). Always use a wall adapter for faster charging.
Extreme temperatures. Lithium-ion batteries charge slowly (or stop charging entirely) in very hot or very cold conditions. Android phones typically won’t fast-charge if the battery temperature exceeds 40°C (104°F). Move your phone to a room-temperature environment and remove any thick case before charging.
Wireless Charging Not Working
If your phone supports Qi wireless charging but isn’t working on a wireless pad:
- Remove your phone case. Thick cases, metal cases, wallet cases with cards, and cases with ring holders or kickstands can block wireless charging.
- Center your phone on the pad. The charging coils need to be aligned. Most phones have the coil in the center-back of the device. Adjust positioning until the charging indicator appears.
- Check the charging pad. Make sure it’s plugged into a power source and the LED indicator is on. Try a different pad if available.
- Clean both surfaces. Dust or debris between the phone and pad can interfere with the connection.
- Restart your phone. Software glitches can occasionally disable wireless charging recognition.
When It’s a Hardware Problem
If you’ve tried all the software fixes, cleaned the port, tested multiple cables and chargers, and your phone still won’t charge, the issue is likely hardware-related:
Damaged charging port. If the USB-C connector feels loose, wobbles when plugged in, or you can see bent pins inside the port, the port needs professional repair. This is the most common hardware charging failure and typically costs $50-100 to fix at a repair shop.
Degraded battery. Lithium-ion batteries lose capacity over time. After 2-3 years or 500+ charge cycles, a battery may hold significantly less charge or have trouble charging. Check battery health in Settings → Battery (Pixel shows battery health directly; Samsung shows it in Battery and device care → Battery → Battery health). If health is below 80%, consider a battery replacement.
Water damage. If your phone was recently exposed to moisture, the charging port may have corroded or shorted. Most phones display a “moisture detected” warning and refuse to charge via USB until the port is dry. Let the phone air-dry for several hours. Do not use a hair dryer — the heat can cause further damage.
Emergency: Phone Completely Dead
If your phone won’t turn on at all and shows no charging indicator when plugged in:
- Plug it into a known-good charger and cable and wait at least 30 minutes. A deeply discharged battery needs time before it has enough power to show the charging screen.
- Try a forced restart: hold Power + Volume Down for 15-30 seconds. On Samsung, hold Power + Volume Down for 10 seconds.
- Try a different outlet. A dead outlet is more common than you’d think.
- If nothing works after an hour of charging, the battery or charging circuitry may have failed. Take the phone to an authorized service center.
More Android How-To Guides From DevX
- How To Clear Cache on Android Phone
- How To Backup Your Android Phone
- How To Remove a Virus From Android
- How To Enable Developer Options on Android
- How To Reset Android Phone When Locked
Frequently Asked Questions
Why does my phone say “charging” but the battery percentage isn’t going up?
Your phone is using power faster than it’s receiving it. This usually happens when you’re using the phone heavily while connected to a low-wattage charger. Close all apps, turn off the screen, or switch to a higher-wattage charger to fix it.
Can a bad app prevent my phone from charging?
Yes. Some apps — especially battery “optimizers,” RAM cleaners, and poorly coded background services — can interfere with the charging process or drain power so fast that charging appears to not work. Boot into Safe Mode to test whether a third-party app is the cause.
Is it bad to use my phone while it’s charging?
Light use like reading or texting is fine. Heavy use like gaming or video calls generates heat, which slows charging and can slightly accelerate long-term battery wear. For the fastest, healthiest charge, leave the screen off.
Why does my phone only charge when I hold the cable at a certain angle?
This almost always means there’s lint compacted in the charging port preventing a full connection, or the port itself is physically damaged. Try cleaning the port with a toothpick first. If that doesn’t help, the port likely needs professional repair.
Does it matter what charger I use?
Yes. Using your phone manufacturer’s charger or a certified third-party charger (USB-IF certified) ensures you get the correct wattage and charging protocol. Cheap, uncertified chargers may charge slowly, overheat, or in rare cases damage your phone’s charging circuitry. Reputable brands like Anker, Belkin, and UGREEN are safe alternatives.
How do I know if my battery needs to be replaced?
Check your battery health in Settings. If it’s below 80%, the battery has degraded significantly. Other signs include the phone dying at 20-30% battery, the battery percentage jumping erratically, the phone shutting off randomly, or the back of the phone feeling swollen or puffy (stop using it immediately if you notice swelling).
Why does my phone get hot while charging?
Some warmth during charging is normal, especially with fast charging. However, if the phone gets uncomfortably hot, remove the case, stop using it while charging, and make sure you’re using the correct charger. Persistent overheating during charging could indicate a battery problem — have it checked by a professional.
Will a factory reset fix charging problems?
Only if the problem is software-related. If your phone charges normally in Safe Mode but not in regular mode, a factory reset will fix it by removing all third-party apps and settings. Back up your data first. If the phone doesn’t charge in Safe Mode either, the issue is hardware and a factory reset won’t help.
