SOLVED! Android Phone Shuts of at 40%

One of the many things android users face is the tendency of their android phone shuts off at 40%. Let us get on with this article to  understand the causes of the problem and the solution,

ANDROID AND ITS BATTERY

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Android devices are known for their magnificent battery ranging from 3000mah to around 1000mah. Compared to the iOS devices, they pack more than a muscle. The battery capacity is, in a general way, synchronized with the way the device functions and its capability.

Therefore, it does not matter whether your battery 5000mah or 4000mah since each android device is programmed with a battery in the sense of capabilities. Using a 5000mah battery instead of a 4000mah might be due to the higher requirement of process or due to the RAM and screen requirement.

Many problems are surrounding the use of the android battery, and you might have noticed that sometimes you can use a 25 battery for like 1 hour in which case you will be thrilled, and you can use a 20% in the manner of minutes.

This action shows that there can be irregularity based on the linkage of the phone to the battery. Although an android battery is of known repute, they are otherwise known for this irregular problem, which makes android users very annoyed. Example of such problem seen among them are

  • What makes my android phone off at 40%?
  • Why does my battery drain very fast?
  • Android phone shuts off at 40%

WHAT MAKES AN ANDROID PHONE TO TURN OFF AT 40%?

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One of the things bothering a minority of Android users is that their device suddenly shuts down at 40%. The problem is common to Google pixel users, and for now, Google has not given any help on how to solve it. Many reasons can lead to this problem, and they will be analyzed in this article.

The reasons can be categorized as battery and non-battery issue

Battery Issue

The issue might be due to many things surrounding the battery. It might be in the form of the applications using much of the battery

Software Issue

This issue might be due to some things targeted at the hardware of the phone, for example, the battery calibration. For it to be the battery calibration, you must answer the question. Does your device still last the usual way it is before it dies? If it does, it can be said to an issue with the battery calibration.

SOLUTION TO YOUR ANDROID PHONE SHUTS OFF AT 40%?

Currently, for this problem, there is no response from Google on a solution. But there are many things you can try. Before you try a solution, be keen to know whether it is due to the battery to the software issue.

These solutions are independent of each other and can be tried in no particular order, both singly and together, depending on the device and the severity of the problem.

CALIBRATE YOUR BATTERY

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You should try this method if you are sure beyond a reasonable doubt that the problem is a software issue. The title can be confusing to some tech geeks because the battery is simply hardware and cannot be calibrated, but there is an inclusion of a printed circuit board that helps with the relation of the battery to the android firmware.

Calibrating the battery in this sense means that you are directing the operating system to correct information that shows the percentage the battery is at a point in time.

Depending on your familiarity with the android operating system, the process can be done in three ways, which are:

Calibrating without root access

This method is a reliable method for users that do not desire to void the warranty of their phones and other properties ascribed to rioting android phones. To calibrate your phone without root access, follow these steps

  • Let your phone discharge till it turns itself off
  • Try and turn it off and let it switch itself off
  • Charge your phone continuously until it reaches 100% (you can check the LED light if you phone supports it, or check without powering on the device
  • Remove the charger
  • Power on your phone. Do not be surprised when the indicator says your battery is not 100%. Charge your device while still on until it says that the battery is 100% while on
  • Remove the charger and restart your phone
  • If after restarting it does not say 100% start charging till it reaches 100%on screen
  • Repeat the cycle until you have a 100% or something very close when you power with on without plugging the charger

This method must not be continuously done because it can lead to the destruction of the battery

Calibrating without root access

Although I’m not that intrigued by the idea of deleting batterystats.bin file to calibrate and android devices, many people have said that it works.

Therefore, it might work for your phone. The process can be likened to the process mentioned above, just that the presence of root helps in making it more reliable

  • Let your phone discharge till it turns itself off
  • Try and turn it off and let it switch itself off
  • Charge your phone continuously until it reaches 100% (you can check the LED light if you phone supports it, or check without powering on the device
  • Remove the charger
  • Power on your phone. Do not be surprised when the indicator says your battery is not 100%. Charge your device while still on until it says that the battery is 100% while on
  • Remove the charger and restart your phone
  • If after restarting it does not say 100% start charging till it reaches 100%on screen
  • Repeat the cycle until you have a 100% or something very close when you power with on without plugging the charger
  • Install the app Battery Calibration and restart
  • Launch (before launching make sure your battery is at 100%) and recalibrate your battery
  • After calibration, let the battery discharge to 0% and off itself
  • Charge the battery again, and it should reset

GET A NEW BATTERY

You should consider this first if your battery is ancient. To do this, inspect the battery by looking for leaks or a bulge. If for any reason, your battery has a bulgy part, it means it has been losing part of its to power your device. As your battery gets older, it becomes weaker.

Even though it might be stronger at the moment, you removed the battery after charging, and it tends to go naught after some minutes or hours. Therefore, it might be best to charge your battery. While buying your battery, it is better to buy from your device manufacturer because buying cheap knock-off