How to calibrate Android phone battery to last longer? Step by step guide

Inspect the Battery

Before calibrating the battery, you would want to inspect the battery first. Remove the back panel of your phone to reveal the battery. Remove it from its slot and search for signs of deterioration like bulging or leaks.

If the battery will not sit flush in its slot anymore, it’s time to consider buying a new one.

There are different third-party battery sellers in the market. However, it’s recommended that you stick with your phone manufacturer and buy an original. There are third-party products that fail to live up to expectations.

Calibrating a broken battery would be a waste of time.

Note: While you’re at it, take a look at the charging port and cables. If it’s damaged, it could be causing your phone to not charge at full capacity.

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How to Calibrate the Battery in Your Phone

  • Fortunately, adjusting your smartphone’s battery is a simple process that only requires a little time and patience.
  • Allow your phone to completely drain to the point where it shuts down on its own. When you try to turn on the phone, you’ll normally be greeted with a dead battery icon before the phone shuts off again after a few seconds.
  • Then, without turning it back on, plug your phone into the charger and let it charge to 100%, leaving the phone off the entire time.
  • Some people recommend putting it on the charger for an extra hour or two to ensure the battery receives the most amount of charge possible, but this is entirely up to you and not necessary.
  • Please turn your phone on after that and wait for it to boot up. Once it reaches the home screen, please double-check that the battery meter reads 100%, then unplug it from the charger.
  • Once you’ve unplugged your phone, the battery will be adjusted, and you’ll be able to use it normally again.

Why You Should Not Calibrate Your Android Battery

There are plenty of arguments available online on why you should not calibrate the Android phone battery. This is because most of the calibration techniques require you to drain your battery till the end. And draining your battery completely is not recommended. Every time you take your battery till zero, it reduces the lifespan and will degrade quickly if done very frequently.

We think doing this every 3-4 months is completely fine as batteries have improved a lot over time and are more enduring to these usage patterns. Android as an Operating System has put in measures to prevent the battery from going to zero, so this is why you must have noticed that when a phone shuts down due to low battery, there is always some juice left for the phone to power on again.

When it comes to Samsung cellphones, how do you calibrate the battery?

Samsung smartphones have a feature called ‘Quick Reset,’ typically used by technicians to calibrate phones with erroneous battery statistics. Here’s how to adjust the battery on Samsung devices with this option.

  • Make sure your phone isn’t connected to the charger and use it until it reaches 5% battery life.
  • Enter the following code into the phone dialer app: *#0228#.
  • A pop-up menu with the option ‘Quick Start’ displays.
  • Then press “OK” after pressing “Quick Start.”
  • Wait for the display to turn back on, then check to see if the battery % has decreased.
  • Recharge the phone to its full capacity.
  • Turn off the phone, then on again, before unplugging the charger.
  • Repeat steps 2 and 3 twice more.
  • Turn the phone back on, open the dialer, and then type: *#9900# with the charger plugged in and the battery at 100%.
  • Scroll down and tap “batterystats.bin reset.”
  • Restart the phone after exiting the menu.

It’s important to remember that this isn’t something you should frequently do. Even if your battery is completely dead and your phone would not power on, it still contains enough reserve energy to prevent system damage. However, you should avoid poking the tiger with a stick. At most, they perform this procedure once every three months. If it’s needed more frequently than that, you’ve got greater problems on your hands.

When you need to Calibrate Battery of Your Phone? 

One should keep in mind that you should not be calibrating your phone’s battery regularly. Due to the aforementioned reason, the calibration of the battery provides you only one result: the levels of battery are displayed properly by the device. It doesn’t reflect the level of working of the phone battery. If you’re not facing any kind of problem with your phone and battery level indication, there is no requirement to calibrate the battery. 

Some of the instances at which the phone battery calibration is a must are listed below.

  • If your smartphone shuts down all of a sudden, even if the battery level indicator shows that there is a particular level of charge left. 
  • If the battery level indicator is showing at a particular point for a very long period.
  • If your android device is very old and due to the aging factor, the battery level goes down abruptly all of a sudden. 

Before you calibrate your smartphone battery

Sometimes, it is simply easier (and better) to replace your smartphone battery than to flog an old horse and try calibrating them. This was easier to do on older smartphones that had removable batteries. On such devices, checking the battery for damage/issues was easy as turning the device off, removing the cover, and inspecting the battery.

If you do have such a phone lying around, you will need to look for bulges or leaks. In the image below, you’ll see what a normal battery looks like next to a swollen one.

 A swollen battery is easy to spot. / © NextPit
A swollen battery is easy to spot. / © NextPit

On most modern smartphones, removing the back cover isn’t an option, and there is no way to take a peek at the physical condition of the battery. However, one method of identifying a damaged battery on smartphones with non-removable batteries is to check if it doesn’t sit flat on the table anymore – a situation that can often arise due to a swollen battery. 

Additionally, calibrating the battery is not an all-weather fix to any battery-related issue.

This is because there are plenty of other things that can cause a battery to malfunction. If your phone doesn’t charge, there might be a problem with the port, so check our guide on what to do when a phone won’t charge.

In case you recently updated your phone to new software, and the battery-related issues have manifested right after, chances are it is caused by the new firmware and not the battery itself. In such a scenario, it is better for you to simply wait for the brand to issue a fix.

How to Calibrate Android Phone Battery

Use your phone as normal until the battery runs out and the phone turns itself off. Afterward, turn it on and let the phone shut itself off again. Do this until the phone will not turn on anymore.

Now, without turning it on, plug your phone into a charger and keep it plugged in until the battery level indicator says it’s 100% full.

Remove the charger and turn the phone on. At this point, the battery indicator might contradict itself and say that the phone’s not fully charged. If this happens, just plug the charger back in. This time, keep the phone on.

Once it gets to 100%, go ahead and unplug the charger and then restart the phone. Repeat the process until the phone shows it’s fully charged after reboot.

Once done, drain the battery once more until it shuts off completely. Then charge it right back up to full capacity.

If done right, this should calibrate your phone’s battery icon and correct the display on your Android device.

Note: This process should also work for tablet battery calibration.

How to calibrate mobile battery of your Android device

Here you will get the best steps to calibrate your Android device of both non-rooted and rooted devices.

For Non-Rooted Devices

When you don’t have any idea on how to root your device then it’s better to go through this method. This method is a lengthy one but you don’t have any other option when you don’t have root.

In fact, you will get several apps, which work effectively to calibrate for non-rooted devices but do not work always.

So it’s better to follow the below useful steps for non-rooted devices.

  • The very first thing, boot up your phone and charge the device until it becomes fully charged. When you see it’s charged fully, continue charging for the next one hour to charge 100%.
  • Now unplug your phone and switch it off instantly
  • Again plug your device and again charge it for one hour
  • Now switch on your device and continue the full charge process for another one hour
  • Repeat steps two and three
  • When this is over, use your device as normal. And don’t charge your device until it is not drained completely
  • Now it’s over, and your Android device must show real battery level

These entire steps work effectively as it deletes and reset the battery stats database. Also, remember that irregular charging of your device sometimes goes beyond your expectation and it starts to show the wrong battery level.

For Rooted Devices

Now if you have a rooted device then you are lucky somewhere. Because calibrating your device on the rooted device is a simple process compared to a non-rooted device.

Even you can some simple apps also which works to correct the battery level on Android.

Though you will get several methods to do this but

Though you will get several methods to do this but going through the simplest steps would really work immediately. Go to the Play Store from the widget and then download the app. This app is known for its simplest performance.

After you launch this app, you will see the screen below from which you have to follow the steps below:

  • Launch the app after you download it where you have to grant SuperUser permission for the app. You have to accept it
  • Now charge your battery to 100% after plugging your device into the charger
  • When your device is 100% charged then tap on the ‘Calibrate’ option
  • Now its time to unplug your device from the charger
  • When this is over, you have to complete a full charge-discharge cycle and that’s it

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Steps to Calibrate the Phone’s Battery

This particular process is the same for all android devices. You need to follow the below steps one by one. 

  1. The phone’s battery has to be discharged completely until the phone itself turns off.
  2. You need to turn the phone on again and ensure it turns off all by itself.
  3. Plug your android device into a charger, don’t turn on your phone, and ensure that the charge level reaches a hundred percent.
  4. Unplug your phone from the charger and note down the charge level shown on your phone. If it doesn’t indicate a hundred percent, you need to plug the charger back into the socket and remove it only when the screen shows a hundred percent charge. 
  5. You need to unplug your device and restart it. Once you’re discharged from the charge level, let your phone turn off again and then repeat the same process. This is how you calibrate your phone’s battery. 

These are some of the things you need to keep in mind regarding the calibration of your phone battery.

Also read: 10 Best Android Hacks & Tricks You Should Know

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