The phone rushes to 80, and the charging is very slow to the back, what is the situation

If your Samsung phone is charging slowly, it is recommended:

1.Use the original charger to turn off the charging and check whether the phone is slow to charge when it is turned off.

2.If your phone is only charging slowly when it is turned on, please do you:

1) End the end-run program (Recent Applications button in the bottom left corner - End) 2) Uninstall the third-party battery management software from your phone.

1) Check if there is a version update on your phone and upgrade to the latest version.

2) Please back up the data in your phone and restore your phone to factory settings.

3) If the above methods are invalid, please bring the purchase invoice, warranty card and machine to the Samsung service center, and a professional after-sales engineer will help you deal with it.

If the phone cannot be fully charged, it is recommended:

1.Please check whether the cable and charger are original, it is recommended to use the original charger for charging.

2.If the battery supports removal, it is recommended to reinstall the battery or replace it with another original battery to charge it again.

3.Try replacing it with a different power outlet to rule out the voltage problem.

4.It is recommended to turn off the phone for charging, or try to charge when the phone is not operated when it is in standby.

5.Check whether there is a new version of the phone system, back up the important data (contacts, messages, photo albums, etc.) in the phone and try to update the system.

6.If it doesn't work, back up the data and try to restore the factory settings.

If the battery is still not fully charged, please bring the purchase receipt, warranty card and device to the Samsung service center for inspection.

Original charger and cable? If not, you must require a fast charger and fast charging cable suitable for your mobile phone, otherwise it will be very slow to charge.

It should be that there is a problem with the battery, the battery has a life, and this situation will occur after a long time. You can go to the store and get a battery for it, and it should be fine.

In this case, most of the problems are with the charging cable and the fast charging cable can be replaced.

The charger has been used for a long time and is aging, so you must replace it with another ......

It's like this for a long time, you don't have to keep staring at it, just put it aside and get busy with your own things.

Why does the phone's battery become slow when it is charged to 90%? This is because modern smartphones use lithium-ion batteries, which have some characteristics. First of all, the charging process of lithium-ion batteries can be divided into two stages:

Constant current charging and constant voltage charging. During the constant current charging phase, the charger supplies maximum current to the battery until the battery reaches its maximum charging capacity. During the constant voltage charging phase, the charger maintains the battery voltage at a constant level until the battery is fully charged.

When the battery is charged to 90%, its internal chemical reactions become more active, which will cause the temperature of the battery to rise. To prevent the battery from overheating, the charger reduces the output current, which slows down the charging rate. This is a way to protect the battery, as an overheated battery can be damaged or even damaged.

In addition, lithium-ion batteries will also be limited by some protective measures during charging. For example, the charger may stop charging before the battery is fully charged to prevent the battery from overcharging. This protection mechanism can extend battery life, but it can also affect the charging speed.

In conclusion, when the phone battery is charged to 90%, the charging speed becomes slower, which is to protect the battery and prolong its life. While this may make you wait longer, it's worth it because it makes your phone's battery healthier and more durable.

Reasons for slow phone charging:

1. The lithium battery used in the smart phone has a certain demand for temperature, and overheating or overcooling can easily cause slow charging, 2. The charger is in poor contact, replace the charger and then charge the mobile phone, 3. The battery is damaged, use software to check the battery.

4. Too much background running of the mobile phone will also cause the mobile phone to charge slowly, so clean the mobile phone in time and charge it.

If the phone prompts slow charging, please use the standard charger and data cable, socks and make sure that the connection between the charger and the data cable is tight.

If your phone does not prompt slow charging, but you still feel that the charging speed is slow, please check the following:

1) Avoid using your phone while charging.

2) After the end of the program, run the program (the nearest application button in the lower left corner - end).

3) Uninstall the third-party battery management software from your phone.

1) Check if there is a version update on your phone and upgrade to the latest version.

2) Please back up the data in your phone and restore your phone to factory settings.

3) If the above methods are ineffective, please bring the purchase invoice, repair card and machine to the Samsung service center, and a professional after-sales engineer will help you deal with it.

It is recommended to do the following when the phone is charging slowly:

1.Shutdown charging test.

2.Replace the charging position to eliminate slow charging caused by intermittent socket contact 3If conditions permit, replace the spare charger for testing.

Or send it for repair and testing4When the phone is turned on and charged, if the mobile phone is equipped with a third-party plug-in such as a charging doctor, it is recommended to test it after uninstalling it.

5.Check whether there are foreign objects in the charging interface of the mobile phone, such as liquid ingress, debris that causes the charging port of the mobile phone to be in poor contact with the charger and causes slow charging, if this situation is recommended to be repaired as soon as possible.

6.Back up your phone's data (book, SMS, etc.) and factory reset your phone (go to phone settings - reset - factory reset).

1.It is recommended to activate the battery by the way while charging it in the future, so that there is no memory when the battery is charged.

2.Charge with an AC socket, charge to 100% and turn off the battery, then charge in the shutdown mode until the light turns green.

3.Enter the recovery mode, select advancsd advanced mode, select wipe battery, and clear battery traces.

4.Turn on and charge to 100%, so that the battery has no memory and can be charged much faster in the future.

The charging process of a mobile phone is divided into three parts: fast charging, continuous charging, and trickle charging. Trickle charging will have a smaller charging current and slower charging speed than the previous two stages.

Is it caused by the heating of the mobile phone?

Low temperatures can affect battery activity, resulting in slow charging. If the ambient temperature is normal (0 to 45) and the charging is slow, it is recommended that you try the following:

1. Use the original charger to charge, and check whether it takes a long time to be fully charged when the machine is turned off and charged;

2. If it only appears when charging is turned on, it is recommended to close all background programs before charging (drop-down menu, click one-click to clean);

3. Replace the power socket and try to charge;

4. After backing up important data (contacts, multiple files, etc.), and then restore factory settings (Settings - System "More" - Factory Reset, please do not check "Clear completely").

If the problem still exists, please bring the purchase invoice, warranty card and machine to the customer service center for testing, and the professional engineer will solve it for you.