6 Main Reasons Why Smartphone May Not Be Charging

phone charging

80% of smartphone users are faced with the fact that their battery has suddenly stopped charging. There can be many different reasons for this. In some cases it can be repaired at home, but sometimes the only way out is to purchase a new battery. Let’s take a look at the following steps of what to do when your battery has stopped charging.

General breakdown:
A cable is broken
65%
the wall adapter does not work
10%
the connector is damaged
8%
the battery has to be replaced
6%
Android, iOS is buggy or the system has caught a virus
4%
other type of malfunction
7%

This step-by-step instruction is universal and suitable for all models and brands (Android, iOs, Windows): iPhone, Alcatel, Asus, Lenovo, Meizu, Philips, Nokia, Oppo, Phillips, Prestigio, Sony Xperia, HTC, Samsung, Xiaomi (Redme), ZTE, BQ, Vertex, Micromax, Umidigi, Oukitel, Texet, Leagoo, Dexp, Doogie, Huawei (Honor), HomTom, etc. It does not matter whether the battery is built-in or removable.

First Steps

Try these tricks if the phone has suddenly stopped charging.

Try another cable

Failure Statistics:
65%
Result
A cable is broken

Main indicators that the cable is broken:

  1. The charging process is taking too long (ie: after 2-3 hours the battery is not even 30- 40% charged),
  2. The phone does not react to adapter connection,
  3. The percentage of charge declines during charging,
  4. Android or iOS displays an error like: «This accessory may not be supported or damaged».

There is no need to immediately purchase a new charger. First of all, make sure that there are no problems with the cable. There are 3 different options for smartphone connectors:

  • Type-C (Expensive models),
  • Micro-USB,
  • Lightning (for iOS and iPad).

It’s not difficult to find another cable. Just borrow the cable from one of your relatives or friends. This tactic usually solves the problem in 65% of cases. If the phone starts to charge, then the problem was the cable.

Test your outlet or power source

Failure Statistics:
10%
Result
The wall adapter does not work

A malfunction of the charger («wall-mounted» power adapter with USB output) occurs in 10% of cases and is the reason for a lack of recharging. To test the adapter, we recommend connecting the cable and any other mobile phone to the USB connector. It is recommended to check Android smartphones via iPhone charger and vice versa.

Inspect the Connector (charging port)

Failure Statistics:
8%
Result
The connector is damaged
  • It is necessary to clean the charging port of debris, dust or sand grains.
  • Check if the connector lacks an end float or if the connector falls out. This action will not take place if the contacts are displaced by a fraction of a millimeter.

It is also important to ensure that the device is not in an excessively humid environment (ie: it did not fall in water, snow, a toilet bowl or a sink), because contact pads can become oxidized. In 8% of cases the smartphone charge is restored after cleaning.

If this does not help, carefully inspect the connector for mechanical damage. Usually the bends of the contacts are visible to the naked eye. If there is mechanical damage, then it is recommended to turn to professional service, because it is almost impossible to repair such electronics at home.

WARNING! We recommend purchasing covers that will protect the charging connector.

Change the battery

Failure Statistics:
6%
Result
The battery has to be replaced

The main indicators of a dead battery:

  1. It charges quickly (within 30-40 minutes), and the battery percentage is literally accumulated before your eyes; it quickly discharges within 15-60 minutes thereafter.
  2. The charging process only takes place when the phone is turned off.
  3. The phone gets hot (up to about 40-50 degrees Celsius). Heating to 30-35 degrees is normal.
  4. The charging process cannot be completed up to 100% – even when using a powerful adapter.

If none of the recommendations above have brought the desired result and the phone still does not charge, then we recommend replacing the battery.

Common cases when the battery becomes unserviceable:

  1. «The time has come» – the exceeding the number of recharging cycles, usual Li-ion battery can charge about 300-400 cycles.
  2. Due to overheating or being in cold places too often (when the smartphone shuts down itself).
  3. In the event of a partial charge up to 100% and a discharge to 0. It is recommended to maintain a battery charge between 20% to 80%. This will significantly extend the life of your device.
  4. Sometimes the battery swells and deforms the case. This calls for a definite replacement! Do not follow the advice of unauthorized experts who recommend calcining the power components. Such actions may result in a fire or explosion.

Use antivirus software

Failure Statistics:
2%
Result
The system has caught a virus

Android, iOS is buggy or the system has caught a virus. This program will protect your phone from viruses and will warn you about dangerous sites and programs.

Factory reset

Failure Statistics:
2%
Result
The operating system is buggy

This advice helps only 2% of cases and only if the operating system is buggy. In this situation the device not only keeps a slow charge, but also functions slowly and buggy.

FAQ’s

It takes a long time to charge
The problem can be caused by broken cable cords. So, do not buy cheap non-original charging cables, because fakes can be broken by the slightest bend.

Also, it is worth paying attention to the additional load taking place on your phone via:

  • Games,

  • Watching video (including YouTube),

  • Enabled hotspot via Wi-Fi to other devices,

  • Viruses (causes increase of traffic consumption from the tariff package),

  • Weak power source: charging adapters with 0.3- 0.5 A are not suitable for modern smartphones. This problem is more typical among portable chargers and external power banks. The current in the power bank does not exceed 1 ampere, while some batteries require a current of at least 1.5- 2 A.

Stopped charging

  1. Check the charger and electric cord.

  2. Inspect the connector. Perhaps it is clogged with dirt, dust, or rust due to which energy does not flow to the controller and therefore to the battery.

  3. Perhaps the battery has died.

Discharges quickly
This may be caused by viruses. It is important to clean devices of unknown files regularly and to download programs strictly from official sites. Operating systems begin to act up due to viruses. Usually, a factory reset helps.

If the battery is more than 5 years old, then this is probably the issue. Replacing the battery may be the only way to solve the issue.
Indicates charge, but does not actually charge
If the charge progress is the same for a long time (from 15 to 30 minutes):

  • In rare cases, the problem is in the adapter or cable. Broken cords are the reason for the lack of energy to start charging.

  • Check if the battery has swollen or smudged. You can try to restore the capacity. To do this, you need to completely discharge the phone, then connect the charger and hold it for several hours longer than usual. Repeat for 2-3 cycles. You should buy a new battery if the situation has not changed.

No charge after contact with water
After the mobile phone has fallen into water, snow, a toilet bowl, soup, etc., the following may happen:

  1. The battery is damaged due to a short circuit.

  2. If the system indicates that moisture or condensation is detected: turn off the device immediately and dry it for a couple of days.

  3. The motherboard or power controller is full of water: in this case, we recommend turning to professional service as self-repair can aggravate the situation.

The problem with wireless charging
It is recommended that you remove a thick case in order to improve wireless charging, because some devices are simply unable to «break through» the silicone or plastic protection- especially if there are metal inserts.

Sometimes the problem may be that the wireless station did not recognize the smartphone. The indicator will flash but the process will not start. To fix this problem, remove the phone from the station, wait 5-10 seconds, then try to charge it again.

You should disconnect the data transfer via USB cable- from either a computer or laptop - before you put your phone on a charge.
WARNING! Make sure that the device lies exactly in the center of the station. Displacements are permissible within 1 centimeter.
Magnetic cable

  • Usually the problem is that the transmitted current with a magnetic cable is less than 0.8 A. The best option for operation is 2 A, and even better 3 A.

  • The magnetic tip frequently gets filled with dirt; so, clean it regularly.

Overheats
Normal operating temperature for batteries with high power (from 3,000 to 6,000 mAh) is between 30-35 degrees Celsius. But, if there is no charging progress, it is necessary to replace the battery.
Direct charging helps in some cases
WARNING! This option is not suitable for devices with a non-removable battery.

To use this method follow the next steps:

  1. Remove the battery.

  2. Insert the battery into the «pulling sock» so that the terminals are connected to the ‘+’ and ‘-' contacts.

  3. After that, plug the device into a power outlet. If a green light appears, it is connected correctly.

  4. It takes about 2-3 hours to fill the battery.

How to restore a battery
The most common way is to apply current to the contacts from another power source (this can be a «pulling sock» or another working charging adapter).
WARNING! If the battery broke down, the described measure will only be a temporary fix. So, in the future you will still need to change the battery.
No charge from computer / laptop via USB
The reason for this can be the malfunction of the cable itself (even if it seems to be completely intact). We recommend that you inspect the device connector and change the USB port in your computer or laptop.

Sometimes the smartphone software fails. Restart your phone to fix the problem. If this does not help, make sure that there is enough current to charge from the USB port of the PC. Try inserting the cable into another laptop or computer. If this does not help, then the problem is in the phone itself.
The cigarette lighter socket in the car
The problem may be:

  • In the car cigarette lighter itself, precisely in the absence of electricity (fuses burned out, the contacts were deformed),

  • The adapter from 12 to 5 volts does not work,

  • Not enough current,

  • It is worth checking the cable for proper operation.

Car stereo
If it is not charging from the car stereo, you should test everything according to the check list as in previous cases.
Strong mechanical stress
When subjected to mechanical stress- such as a strong fall or squeeze- it is recommended to take the phone to a service center. The problem may not only be in the battery but also in other smartphone components. It is possible to detect a malfunction only after a complete analysis of the mobile phone and inspection of the electric circuit boards for damage.
Indication of low or high battery temperature
Sometimes in the summer, after a long exposure to sunlight, the phone displays a message about the inability to turn on and/or charge. This is triggered by a temperature limit which protects the «electronic stuffing» from damage with a subsequent temperature increase.

High temperature in this case can be explained by a malfunction of the battery or its overload; for example, downloading programs during recharging or playing resource intensive games. If you don’t use the phone and the battery is still very hot (above 40 degrees Celsius), it has most likely broken down.

If the device reports a low battery temperature, then the smartphone is probably in a really cold room. If the air temperature is normal and does not fall below 0, the battery should be replaced.

Recommendations

In order to make the smartphone work correctly, including charging normally and keeping the charge, we recommend you to stick to the following tips:

Do not drop it

Drops, especially on a hard surface, can lead to damage of phone parts- including the battery.

Do not charge too often

  • Avoid using the smartphone 24 hours a day.
  • The battery must not be fully discharged.
  • Keep the battery level between 20-80%.
  • Do not leave the phone connected to a charger all night.

Maintain temperature conditions

Most electronics are not recommended to be left in extreme cold or extreme heat. Suitable working temperature is between 3- 45 degrees above 0.

Do not use low-power charging devices

Chargers with a capacity of less than 0.5 A are not suitable for smartphones. The optimal level is 1-2 A.

Conclusion

Now you know what to do if the phone does not charge or does not recognize the adapter. But, it’s better to repeat everything again:

Test the charger
2
Check the cable
1
Clean the connector from dust and dirt
1
Replace the battery with a new one
1
The system has caught a virus
1
Try and reset to factory settings
1

With proper use of the smartphone the battery will last up to 5 years (300-400 full cycles). This is the normal battery life. When buying smartphones, it is better to give preference to those with the opportunity to replace the battery by yourself (without professional service).

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It takes a long time to charge
The problem can be caused by broken cable cords. So, do not buy cheap non-original charging cables, because fakes can be broken by the slightest bend.

Also, it is worth paying attention to the additional load taking place on your phone via:

  • Games,

  • Watching video (including YouTube),

  • Enabled hotspot via Wi-Fi to other devices,

  • Viruses (causes increase of traffic consumption from the tariff package),

  • Weak power source: charging adapters with 0.3- 0.5 A are not suitable for modern smartphones. This problem is more typical among portable chargers and external power banks. The current in the power bank does not exceed 1 ampere, while some batteries require a current of at least 1.5- 2 A.

Stopped charging

  1. Check the charger and electric cord.

  2. Inspect the connector. Perhaps it is clogged with dirt, dust, or rust due to which energy does not flow to the controller and therefore to the battery.

  3. Perhaps the battery has died.

Discharges quickly
This may be caused by viruses. It is important to clean devices of unknown files regularly and to download programs strictly from official sites. Operating systems begin to act up due to viruses. Usually, a factory reset helps.

If the battery is more than 5 years old, then this is probably the issue. Replacing the battery may be the only way to solve the issue.
Indicates charge, but does not actually charge
If the charge progress is the same for a long time (from 15 to 30 minutes):

  • In rare cases, the problem is in the adapter or cable. Broken cords are the reason for the lack of energy to start charging.

  • Check if the battery has swollen or smudged. You can try to restore the capacity. To do this, you need to completely discharge the phone, then connect the charger and hold it for several hours longer than usual. Repeat for 2-3 cycles. You should buy a new battery if the situation has not changed.

No charge after contact with water
After the mobile phone has fallen into water, snow, a toilet bowl, soup, etc., the following may happen:

  1. The battery is damaged due to a short circuit.

  2. If the system indicates that moisture or condensation is detected: turn off the device immediately and dry it for a couple of days.

  3. The motherboard or power controller is full of water: in this case, we recommend turning to professional service as self-repair can aggravate the situation.

The problem with wireless charging
It is recommended that you remove a thick case in order to improve wireless charging, because some devices are simply unable to «break through» the silicone or plastic protection- especially if there are metal inserts.

Sometimes the problem may be that the wireless station did not recognize the smartphone. The indicator will flash but the process will not start. To fix this problem, remove the phone from the station, wait 5-10 seconds, then try to charge it again.

You should disconnect the data transfer via USB cable- from either a computer or laptop - before you put your phone on a charge.
WARNING! Make sure that the device lies exactly in the center of the station. Displacements are permissible within 1 centimeter.
Magnetic cable

  • Usually the problem is that the transmitted current with a magnetic cable is less than 0.8 A. The best option for operation is 2 A, and even better 3 A.

  • The magnetic tip frequently gets filled with dirt; so, clean it regularly.

Overheats
Normal operating temperature for batteries with high power (from 3,000 to 6,000 mAh) is between 30-35 degrees Celsius. But, if there is no charging progress, it is necessary to replace the battery.
Direct charging helps in some cases
WARNING! This option is not suitable for devices with a non-removable battery.
To use this method follow the next steps:

  1. Remove the battery.

  2. Insert the battery into the «pulling sock» so that the terminals are connected to the ‘+’ and ‘-' contacts.

  3. After that, plug the device into a power outlet. If a green light appears, it is connected correctly.

  4. It takes about 2-3 hours to fill the battery.

How to restore a battery
The most common way is to apply current to the contacts from another power source (this can be a «pulling sock» or another working charging adapter).
WARNING! If the battery broke down, the described measure will only be a temporary fix. So, in the future you will still need to change the battery.
No charge from computer / laptop via USB
The reason for this can be the malfunction of the cable itself (even if it seems to be completely intact). We recommend that you inspect the device connector and change the USB port in your computer or laptop.

Sometimes the smartphone software fails. Restart your phone to fix the problem. If this does not help, make sure that there is enough current to charge from the USB port of the PC. Try inserting the cable into another laptop or computer. If this does not help, then the problem is in the phone itself.
The cigarette lighter socket in the car
The problem may be:

  • In the car cigarette lighter itself, precisely in the absence of electricity (fuses burned out, the contacts were deformed),

  • The adapter from 12 to 5 volts does not work,

  • Not enough current,

  • It is worth checking the cable for proper operation.

Car stereo
If it is not charging from the car stereo, you should test everything according to the check list as in previous cases.
Strong mechanical stress
When subjected to mechanical stress- such as a strong fall or squeeze- it is recommended to take the phone to a service center. The problem may not only be in the battery but also in other smartphone components. It is possible to detect a malfunction only after a complete analysis of the mobile phone and inspection of the electric circuit boards for damage.
Indication of low or high battery temperature
Sometimes in the summer, after a long exposure to sunlight, the phone displays a message about the inability to turn on and/or charge. This is triggered by a temperature limit which protects the «electronic stuffing» from damage with a subsequent temperature increase.

High temperature in this case can be explained by a malfunction of the battery or its overload; for example, downloading programs during recharging or playing resource intensive games. If you don’t use the phone and the battery is still very hot (above 40 degrees Celsius), it has most likely broken down.

If the device reports a low battery temperature, then the smartphone is probably in a really cold room. If the air temperature is normal and does not fall below 0, the battery should be replaced.
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