What s the matter with the old phone not charging

If you are using a Huawei phone, you can follow the following methods to determine the cause of the problem:

1. It is recommended to use the standard charger for charging.

It is recommended that you use the charger and charging cable that come standard with your phone for charging. Non-standard chargers and cables may not be compatible with the phone, causing the phone to not charge.

2. Please check whether the charging port is abnormal.

Check whether the mobile phone charging interface is blocked by foreign objects, mildew, corrosion, internal connection line damage, etc., if there is such a phenomenon, it is recommended that you go to the nearest customer service center for cleaning and testing.

3. If your phone has not been used for a long time.

If your phone has not been used for a long time, or you have not charged your phone in time after the low battery is turned off, and the phone battery is over-discharged, and it takes more time to activate the battery, it is recommended that you charge the phone for more than 30 minutes to see if the phone responds.

4. If your phone is charged to 80% stop charging.

Some models have added a new intelligent charging mode, which is a battery protection mechanism that effectively extends the battery life through AI intelligent charging management.

5. Please cross-verify.

Please replace the charger and data cable that can be charged normally, and cross-check whether the charger and data cable are faulty.

If the charger and data cable are normal, but the phone still cannot be charged, it may be a malfunction of the phone. It is recommended that you back up your data in advance (WeChat QQ and other data need to be backed up separately) and bring your mobile phone, original charger, original data cable and purchase voucher to a nearby customer service center for testing.

There are several reasons why the mobile phone can't be charged one by one. The first thing to see is whether yours is a problem with the data cable, if it is a problem with the data cable. Then replace your data cable.

Another problem is the plug, if it is a plug problem, please replace your plug. If it's all right, then it's the phone charging port. Poor contact of the plates.

That's the case. , you have to take the phone repair station to replace an accessory. The above 3 points are basically OK, and you can solve the reason why the phone can't be charged.

It may be that the charger is not working, or the charging port is in poor contact, or there is a problem with the battery

It is recommended to change the charger to try, if it still can't be flushed, it is a ** problem, go to the mobile phone store for 10 yuan to get it.

The charger is broken.

Or the interface of the mobile phone is broken.

Hello, I am happy to answer for you 1. It may be that the temperature of the mobile phone is too high or too low, and the battery activity will be affected by the bridge and will cause it to be unable to charge. 2. It may also be caused by poor contact with the charger or data cable. 3. It may also be that the trillion is not charged while playing.

4. If the royal guess is still not charged, consider whether the mobile phone itself is faulty, you can bring the mobile phone and warranty card to the repair center for testing

It is necessary to judge the reason why the battery cannot be charged

1.The phone battery cannot be charged, and it is possible that the battery has entered a dormant state. This is mostly caused by the user running out of power and the phone automatically shuts down.

The solution to this situation is to remove the battery, wait 5 minutes, and then reinstall the battery. Use a data cable to connect your Mi phone to the computer, and after 30 minutes, turn it back on.

2.In the case of sudden mobile phone battery not charging, you also need to check whether you are using a regular original charger. If you are using a different charger, you need to check if there is a problem with the charger or if the charger port is damaged.

Switching to a new charger can solve this situation.

3.If there is a situation where the mobile phone can be connected to the charger to charge, but it is always not charged, I need to check whether there is a problem with the mobile phone system. Sometimes, you install battery management software that protects the battery on your phone, and when there is a problem with these software, the battery will not be fully charged.

You can use Zhirent Universal Charger to charge the mobile phone battery and check whether the battery is damaged. If the battery can be fully charged with universal charging, then you should repair the phone system or flash it.

4.In addition to the above situations, the loose charging interface of the mobile phone and the short circuit of the internal charging circuit of the mobile phone will also cause the mobile phone battery to not be charged. In this case, it is necessary to send the mobile phone to a professional after-sales maintenance network for maintenance.

Smartphone products have gradually become one of the indispensable products in everyone's daily life, after all, the role it plays is relatively important. But there is a very key flaw is the information on power consumption, about the phone can not be charged, usually caused by dust blocking the charging port, prepare tools: anhydrous alcohol, toothpicks, cotton swabs.

First of all, tear off the cotton swab, wrap it around the toothpick, dip it in a little anhydrous alcohol, carefully wipe the mobile phone charging port, and after the wiping is completed, you can see that the mobile phone charging has returned to normal.

There may also be the following reasons:

1. The system of the mobile phone is faulty, which causes problems with the battery level display. This kind of problem is the easiest to solve Zheng Kuan, and it can be directly shut down and restarted, which is equivalent to data refresh, and the general power display will return to normal.

2. The charger is faulty. This malfunction is the main reason why the phone cannot be charged. So how to judge the quality of the charger.

It's actually very simple, try it with another charger. If it can be charged, then it can be concluded that the charger is faulty. When you encounter this kind of problem, you have no choice but to buy another charger.

3. Poor contact between the charger and the mobile phone. This is also a common situation where the charger is not plugged in properly due to carelessness on the part of the phone user. The solution is simple, it is to switch sockets back and forth.

4. There is a problem with the mobile phone battery. Generally speaking, it is rare for a mobile phone to shout that there is a problem with Qi Liang's battery. But once there is a problem, it is a big problem and must be taken seriously.

Therefore, when it is found that the charger and mobile phone system are not faulty, you should focus on checking the battery. If you find that the battery is swollen, then it means that there is a problem with the battery and you must stop using it immediately. Here's a word of advice for everyone, don't disassemble the battery indiscriminately.

Because a swollen battery can easily cause **, bringing serious consequences.

If the phone can't be charged, it usually means that there is a problem with the battery or charger, so you can replace one and give it a try.

It's either the charger or the phone's fault.

1. First of all, connect the mobile phone with the charger and plug it into the plug board to see if it can be charged. If it can't be charged, the possible problems are: the charger is broken, the cable is broken, the phone interface is broken, the battery is broken, and the system is wrong.

2. Change a connecting cable or a charging plug, and then charge it to see if it can be charged into the charge, if it is charged into the charge, then it proves that it is a problem with this, change the wire, or change the charging plug. Pay attention to the current and voltage of the original charging plug of your mobile phone when changing the charging plug to prevent harm to the mobile phone.

3. Remove the battery (don't force it to dismantle if it can't be dismantled), use the universal charge to flush, if it is a problem with the charging interface of the mobile phone, if not, then continue to investigate. There may be problems: battery, system.

1. Mobile phone system failure

It may be that the mobile phone system is faulty, resulting in a problem with the battery level, if you encounter this kind of problem, you can directly shut down and restart, which is equivalent to a data refresh, and the power will return to normal after a while.

2. The charger is faulty

It may be that the charger is faulty, if this kind of failure, you have to try to replace it with another charger, if it can be charged, you can conclude that the charger is faulty and needs to be replaced with a new charger.

3. Poor contact between the charger and the mobile phone.

Due to the user's carelessness during charging, the charger is not plugged in properly, resulting in the mobile phone not charging. Therefore, it needs to be unplugged and reconnected so that it can charge properly.

4. There is a problem with the mobile phone battery.

Under normal circumstances, the probability of mobile phone battery failure is relatively small, but once there is a problem, it is a big problem and must be paid attention to. For example, when the charger and mobile phone system are not faulty, it is necessary to focus on checking the battery, if the battery is found to be swollen, it means that there is a problem with the battery and must be stopped immediately.

In addition, it should not be disassembled by itself, so as to avoid the occurrence of swollen batteries**, which will bring serious consequences.

5. There are quality problems in the mobile phone itself

It may be that there is a problem with the quality of the mobile phone, if the mobile phone is a copycat, the probability of failure is very high. If it is a brand machine, you only need to return it to the original factory for processing.

The phone cannot be charged, check the charging port and data cable.

There are several reasons why the mobile phone cannot be charged, 1, the charging head may be broken, try to change the charging head. 2. The charging cable may be broken, try another charging cable. 3. It may be that the mobile phone charging port is broken or the mobile phone motherboard is broken, go to a nearby mobile phone repair shop to find a maintenance master to repair it.

There are many situations like you, first of all, you check the circuit problem, and then check the electrical appliances and data cables, the current data cables are easy to short circuit, if there is no problem, that is, your mobile phone tail plug is broken, so you can get the mobile phone repair shop to find a professional master to repair! But it's not a big problem, 30 yuan will solve it!

It is possible that your charging cable is broken, if you can't see it from the outside, it means that the copper wire wrapped inside is broken, just change the charging cable. It is also possible that the small part where your phone is charging is broken, and it is good to spend 20 yuan to go to the mobile phone store to replace it with a new one.

Hello, the mobile phone can't be flushed into the power, there are many reasons, it is recommended that you check your charger, or the flush hole of the mobile phone is broken, the mobile phone is high, and it can't be flushed into the power, if these questions and remarks are not, it is recommended that you go to the mobile phone repair shop to see it.

Most of the reasons why the phone can't be charged may be because the data cable is broken. If it still doesn't work, you have to go to the after-sales point for repair.

Check if it's a data segment. If not, you can go to the mobile phone after-sales service to check.

One reason? It may not be possible to use the data cable. There was a problem with one phone.

The phone is broken, buy a new one.

You check if the charger is broken.

Reason 2: Faulty charger.

If there is a fault in the charger for charging the mobile phone, it will also cause the mobile phone to not be charged, the solution is to change to other chargers with the same interface to try charging, if it can be charged normally, then it can be determined that it is a problem with the charger, and a new charger can be replaced.

Reason 3: The charger is in poor contact with the phone.

Improper contact between the charger and the mobile phone will also cause the mobile phone to fail to charge, at this time, unplug and reconnect the data cable from the mobile phone, and unplug and reconnect the data cable with the charging head.

Reason 4: Phone battery issues.

Under normal circumstances, the probability of mobile phone battery failure will be relatively small, but once the battery has a problem, we must pay attention to it. If there is no problem with the mobile phone charger and the mobile phone system, then you need to check the battery of the mobile phone, if the battery of the mobile phone is found to be swollen, it means that there is a problem with the battery of the mobile phone, and you should stop using it immediately. At the same time, the battery cannot be disassembled by itself to avoid serious consequences caused by the swelling battery.

It depends on whether you use a wire charger or a seat charger, if it is a wire charger, then please check whether the connection ports are connected; If it is a seat-charging charger that cannot be charged, it may be that your battery is damp or your battery life is running out, or it may be that your mobile phone charger is broken.

It may also be caused by poor contact of the charger or data cable, it is recommended to use the original accessories to charge or replace the accessories.

It may also be that the charging is not charged when it is close to being full, and the charging current is very small when it is close to being full, and running other operations will cause the charging to be uncharged, so it is recommended to standby or turn off the charging.

If it still can't be charged, you should consider whether the mobile phone itself is faulty, and you can bring the mobile phone and warranty card to the official mobile phone repair center for maintenance.

Heart] asked. My phone was fine yesterday, and I couldn't charge it when I unplugged it this morning.

Change the charging head.

All the questions were asked, and my power bank also tried.

Answer: The reason why the fourth gold finger from the left of the charging cable turns black is: the charging cable of the charger is connected to the mobile phone through the gold finger when the charging cable is connected to the socket for charging, and the current through the metal will produce an oxidation reaction, which will make the metal black.

It was Xiaomi who asked me questions.

Answer: If there is no problem with the charging cable and charger, then the rest is basically caused by a broken mobile phone interface or a broken battery, because the probability of system problems is so low that it is almost negligible. At this time, it can only be sent to the after-sales maintenance, it is best not to do it yourself, otherwise it is easy to break the machine, once tried to get it yourself, but the phone was broken, it is really a loss for Mrs. and a soldier!

If you suspect that there is something wrong with the system, then you can also restart your phone or flash it to see. [Heart].

Question: I restarted a few times and it still doesn't work [tears].

Answer: There is a file in the log of the Android system that records the battery information, if the battery information is wrong, it will cause the phone to not charge. Still can't find the reason, it is recommended to go to the mobile phone store for repair, do not disassemble the phone by yourself. [Heart].