How do I use code 0228?

Another useful hidden menu is for checking the battery voltage. Enter *#0228# in to the phone dialer and you'll see the change in voltage when you charge it. Of course, if you're worried about breaking something, it's probably best not to mess with this hidden menu. It is hidden for a reason, after all.
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How does the *# 0228 work?

Open the phone dialer app and enter the following code: *#0228#. A pop-up menu appears with an option that says 'Quick Start'. Press 'Quick Start" and then press 'OK. Wait for the display to power back on again and check if the battery percentage has gone down.
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How do I recalibrate my phone battery?

How to Properly Recalibrate Your Battery
  1. Use your phone until the battery dies. ...
  2. Turn your phone back on. ...
  3. Repeat this process several more times. ...
  4. Without turning your phone on, plug it into a charger. ...
  5. Once you're confident that your battery is fully charged, go ahead and turn your phone back on.
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How do I refresh my Samsung battery?

Recharge your phone until 100%. Switch off the power of your phone, switch on your phone again, and plug off the charger from your phone. Repeat step 1-7 for 2, 3 times. Plug on the charger to your phone again until your battery reaches 100%.
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What is the code to reset battery?

There is a secret code in the dialer, *#0228#, that resets the battery callibration completely, killing the phone straight to 0% and asking you to charge to full.
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Check Battery Status on Galaxy Note 2 with secret code *#0228#.



How do you activate hidden battery power on a phone?

Hidden battery power

Hidden battery power is unlocked by pressing *3370#. Press this when your battery is about to run out to get up to a 30% increase in your remaining battery power.
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Can I reset phone battery?

Turn your phone on, and let it turn itself off again. Leaving your phone off, plug it into a charger and leave it alone until it indicates that it's 100% charged. Unplug your phone and turn it on, then check the battery indicator to see if the battery is at 100%. If so, you're all set.
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How can I test my Samsung battery?

You can check your Android phone's battery status by navigating to Settings > Battery > Battery Usage.
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Does factory reset help battery?

Even though factory reset is recognized as the ultimate solution to fix all the problems, including that of battery drain, it can't help fix really poor software.
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How do I calibrate my Android phone?

Android 5 and up: Install and open the Touchscreen Calibration app. Tap Calibrate and follow the instructions. Android 4: Go to Menu > Settings > Language & keyboard > Touch Input > Text Input. Tap either Calibration tool or Reset calibration.
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How do I restore my Android battery?

Choose settings that use less battery
  1. Let your screen turn off sooner.
  2. Reduce screen brightness.
  3. Set the brightness to change automatically.
  4. Turn off keyboard sounds or vibrations.
  5. Restrict apps with high battery use.
  6. Turn on adaptive battery or battery optimization.
  7. Delete unused accounts.
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How do you calibrate a root battery?

Method 2: Calibrate battery on Rooted android device
  1. Discharge your android device until it turns off itself.
  2. Turn it on again and let it off itself.
  3. Now plug-in your device charger and let it charge until the screen shows Battery full signal.
  4. Unplug the charger and turn on the device.
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How do I calibrate my laptop battery?

Recalibrating your battery is simple: just let the battery run from 100% capacity straight down to almost dead, and then charging it back to full. The battery's power meter will see how long the battery actually lasts and get a much more accurate idea of how much capacity the battery has left.
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How do I check my battery percentage?

  1. 1 Tap on Settings.
  2. 2 Tap on Display.
  3. 3 Tap on Status Bar.
  4. 4 Tap on Show Battery Percentage.
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How do I know if my Samsung phone needs a new battery?

How can I check if my Android phone requires a new battery?
...
Below mentioned are some signals you can look for:
  1. Battery drains quickly.
  2. The phone does not charge despite being plugged into a charger.
  3. The phone does not hold the charger.
  4. Phone reboots on its own.
  5. The battery bumps up.
  6. Battery overheats.
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How can you tell if your cell phone battery needs to be replaced?

Phone Health: 5 Signs it is Time Replace Your Battery
  1. It will not turn on. This is definitely the most obvious and easiest way to determine if your battery has simply had enough. ...
  2. Only showing signs of life when connected to a charger. ...
  3. Dying fast even after fully charged. ...
  4. Overheating. ...
  5. Battery bulging.
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Why is my phone battery draining fast?

Avoid situations where your phone can overheat, especially when your battery is fully charged. Your battery drains much faster when it's hot, even when not in use. This kind of drain can damage your battery. You don't need to teach your phone the battery's capacity by going from full charge to zero, or zero to full.
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Why is Android battery draining fast?

Here are some of the most common ones: There are too many push notifications and alerts draining the battery. There are too many apps running location services. There are too many apps running in the background.
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Do I need to calibrate my phone battery?

The only time you need to calibrate a battery is if you get inaccurate readings. For example, if your phone shows 30 percent battery life, then immediately drops to 5 percent and switches off, that's an indication of an uncalibrated battery.
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What is calibrate battery?

Answer. Battery Calibration is a built-in battery software. Calibrating the battery helps to reset the battery power setting. It can be done with a single click.
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Do I need to reset computer after replacing battery?

There is no need to reset the computer per say, but if you had any error codes that indicated a problem existed; then you'll need to have a professional mechanic complete a check engine light inspection.
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Does disconnecting the battery reset codes?

Disconnecting the battery will clear the error codes and reset the check engine light.
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