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Huawei: How to fix slow charging on Huawei P9

Is your Huawei P9 slow to charge or not charging at all? Here’s how you can fix this problem with these simple tips.

How To Fix Huawei P9 Slow Charging Problem

The first thing that is recommended would be to check if the USB cable is working correctly. If you have tested it out with a different USB cable and the Huawei P9 charging problem is still an issue, there are a few ways to manually fix this issue. The following are a few different methods to fix the slow charging problem on Huawei P9.

Close Background Applications

A common reason that Huawei P9 slow charging problem happens is because of the apps that keep running on the background. The following will close apps running in the background:

  1. Hold the “Home” button and release it when you see the recently used apps screen

  2. On the task manager section, select “End all applications”

  3. At the top of the screen is a “RAM” option, select it and clear memory

These steps will close all the apps that are running in the background when the phone is charging and this is why it is slowing down the charging process.

Uninstall Third Party Apps

If none of the above methods have worked, the reason that the Huawei P9 is charging slowly could be because of a software bug. The best solution would be to uninstall all third party software to see if the charging issue is fixed on the Huawei P9.

To uninstall third party apps, the Huawei P9 needs to go into “Safe Mode.” Then you can uninstall third party apps that may be creating the slow charging problem on Huawei P9. To turn on the safe mode turn off your phone, then hold the power key. When you see “Huawei P9” on the screen, release the power key and hold the volume down key. Keep on holding the key until the phone restarts. Once the messages ”safe mode” appears at the bottom of the screen and release the keys.

From there, third party apps can be uninstalled by going to Menu> Settings> More> Application manager, Downloaded> select the preferred application, then select uninstall> Ok. Then turn off safe mode by pressing and holding the power key> restart> Ok.

How To Fix Huawei P9 Not Charging Grey Battery Problem

One user reported that he started to face Huawei P9 not charging- grey battery problem after his phone dropped from his hand. The main reason why Huawei P9 not charging- grey battery problem is because of a damaged charging port or cable. Another reason could be because there could be debris or dust in the charging port and doesn’t allow for a proper connection.

Clean USB Port

If the Huawei P9 falls and you start to face Huawei P9 not charging- grey battery problem, then there could something blocking the connection to the Huawei P9. It could be debris, dirt or lint that stops the connection. A good way to fix this issue is by placing a small needle or paper click and move it around in the USB charging port to get everything out. The majority of the time, this is the main issue when the Huawei P9 is not charging properly. But it’s important to note that when cleaning the USB port, be careful not to damage anything and clean it out gently.

System Dump

When completing a system mode dump, it will debug the panel and allow for the execution of different functions. There are also useful functions to give a boost to your network speed; the following will compete a system dump.

  1. Go to “Dialer”

  2. Type in (*#9900#)

  3. Go to the bottom of the page and select “Low Battery Dump”

  4. Select “Turn On”

Get Support From Authorized Technician

If none of the above methods work for fixing the Huawei P9 not charging problem, another suggestion would be to take the smartphone and get it checked out by a Huawei technician. If for some reason the smartphone is need of repair and they might be able to provide a replacement under the warranty.


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