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Why does a fully charged phone still run out of battery fast

The bigger the battery, the more power the device can get, but battery life is still what most users pay attention to. This is a big deal with modern technology, but that doesn’t mean they should charge their phones multiple times a day. If your phone’s battery drains faster than usual, learn the causes and solutions below.

1. Screen

The screen is the most battery-hungry part of the current smartphones. The panels are getting bigger, brighter, and the colors are more vivid. Now we also have large folding screens or dual screen devices. While these improvements will greatly improve the overall usage experience, it will make the device more power hungry than ever.

How to check battery usage status:

Open the Settings app.

Select Battery.

Click on the menu of 3 ellipses in the right corner of the screen.

Select Battery usage.

Click on the 3 ellipsis button in the right corner of the screen.

Select Show full device usage.

When you check the battery usage status, you will see that the screen takes up a very large percentage. Display technology is evolving tremendously, much faster than battery technology, which makes battery life a burden in the future if it can’t keep up with technological developments.

How to check iPhone / iPad battery, test old iPhone battery quickly and accurately

Tips to reduce battery bottles caused by screens:

14 cách chữa lỗi iPhone không dùng cũng hết pin, tụt nhanh bất thường |

Reduce the screen brightness. Reducing the screen brightness can greatly save battery life.

Use automatic brightness adjustment. This feature can help you make the screen brighter only when you need it, saving battery life when you don’t.

Reduce automatic screen refresh. Some devices have a high screen refresh rate and you can customize these settings.

Reduce the number of times your device locks itself. Lock the screen immediately after use, don’t wait for the device to lock itself, this will save you a lot of battery.

Don’t use dynamic screens. Dynamic screens can be beautiful, but you don’t necessarily want to use them all the time. Dynamic screens can consume a lot of battery.

Use a black screen. If your device has an AMOLED display, a black screen will save the most battery because the device doesn’t need to activate as many pixels. The difference isn’t too great, but it’s nice to build up from small to large.

Take advantage of the small screen. Some phones, like the Samsung Galaxy Z Fold 2, have a small screen on the outside of the device. Use these screens often, when you don’t need to use the big screen.

2. Poor connection

Areas with poor cell phone reception are silent “battery killers”, which is more frustrating than never being able to load a video. Your device often has to interact with nearby cell towers and is always trying to connect. Sometimes these attempts will fail and the phone will have to work harder for you to use the device.

If you live in a remote area or large building, your phone’s battery may be much worse than others.

How to improve the signal to reduce the battery bottle.

Change carriers. The carrier’s signal will depend on the area and city you live in. Do your research to find out which carrier offers the strongest signal in your area and use that carrier.

Airplane mode. Airplane mode is a feature that forces your phone’s antenna to stop working. Turn off all connections so that your phone no longer tries to connect. You can use this method in areas with poor signal. You can also use smart tools like IFTTT to automatically turn on airplane mode depending on the area.

Network extenders. Carriers usually have network extenders that use the Internet to provide you with a signal. Consider having a kit if you’re in a place with a bad signal for a long time.

Signal booster. Signal boosters can be relatively expensive, but many people are willing to spend money for them. These products usually have an external antenna to capture the signal. 3.

3. Applications and services running in the background

If you find that your battery is draining too fast, check the performance of the application. Some apps use more power than others, usually streaming services such as YouTube, Netflix,. If you want to save battery, you can avoid playing games often as it will be very battery intensive. This is especially true for games that have nice graphics.

Many battery-draining applications that are not used directly. Applications like Facebook, Messenger, Instagram and WhatsApp are such applications. Chat services such as the ones mentioned above will always be active to stay up to date. This means that these apps will be constantly running in the background, using data, locations, sending notifications, etc. No matter how much time you spend using them, constantly checking messages. What’s new? How to solve the problem Get as few apps as possible. Most people only use 20% of the apps on their device on a regular basis. At the same time, these apps often run in the background and consume a lot of your phone’s battery. Clean up your data and delete unnecessary apps. Prevent apps from running in the background. If you find that apps are consuming too much battery, you can restrict their activity. Go to Settings > Apps and notifications > select Apps > Advanced > Battery > Background restrictions > Restrictions. However, this restriction will make some features unavailable. Close apps. Android devices are usually designed for multitasking and closing apps can interfere with your work to a greater or lesser extent. However, sometimes closing apps is the best option. Many times, apps don’t work properly and this causes rapid battery drain on the device. Go to Settings > Apps & Notifications > Select Apps > Force Stop.

Use it wisely and carefully. Sometimes you want a longer battery life, but playing games, watching movies and spending hours surfing the web is the opposite of this desire. So, use your phone wisely to avoid situations where your device runs out of power at the end of the day.

4. Age of your phone

How long has your phone been in use, and more precisely, what is the battery life? The battery of a smartphone degrades a lot over time. In fact, time is the main reason why your battery life is getting shorter and shorter. Older phones may not function as well as they did when they were new.


Buy a new phone. It sounds obvious, but the truth is that when the battery is too old, the features will no longer work as effectively.

5. Picture-in-picture mode

If you use YouTube Premium, Twitch, or similar apps on your phone, you’ve probably used picture-in-picture mode before. This involves watching any video or stream in a small viewbox on the screen while using other apps. While this is convenient, using so many apps at once can drain your phone’s battery. Therefore, you can disable picture-in-picture mode by going to the advanced settings of the app of your choice and turning off the picture-in-picture option.6. Stay connected 24/7People usually keep WiFi or data enabled at all times so that they can stay connected day and night. But this can be a huge drain on your phone’s battery as you’re constantly receiving notifications, background updates, and at times when you don’t necessarily need them.

Sleep is a good time to turn off WiFi. Sure, you can simply switch your phone to airplane mode. However, if you’re worried about missing an emergency call, you can instead turn off WiFi and data so you can still receive phone calls. You can do this by going into your phone’s WiFi and mobile data settings and turning both off. Remember, switching your phone to Do Not Disturb mode will not turn off your WiFi or data.

7. Location tracking apps

There are many apps that can track your location. Google Maps, Bumble, Deliveroo, retail apps, and more. And, while you may think that these apps only track location when you use them directly, that’s not always the case. Correct. This constant location tracking requires power and can affect your phone’s battery life. So, how can you avoid this?

The easiest way to disable location tracking is to turn your phone’s location off completely. This can be done in the phone’s drop-down menu or through the location option in the settings. However, if you want certain apps (either security or navigation apps) to continue tracking your location, you can turn off individual location tracking through the Settings in the Permissions section of each app. Doing so may take some time, but will give you full control over which apps can and cannot use live locations.

8. Other battery issues

GPS, Wifi, and Bluetooth. How often do you use these features? GPS, Wifi, and Bluetooth are always draining the battery, even if they are rarely used. Turning them off when not needed will help save considerable battery.

Camera. Taking photos and recording video can consume a lot of battery. Don’t use this feature too often if you don’t have to, especially with third-party video recording apps.

Temperature. In fact, cold temperatures can have quite an impact on battery life. Letting your phone get too cold can damage your battery, so it’s best to keep your phone close by to keep the temperature stable, especially if you live in a cold country.

Software updates. Updating your software will help improve battery life, so update to the latest OS version regularly.

Buy a reputable charger. A good battery charger will protect your batteries and help them work better and “live longer”.


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