Although iPhones feature an impressive battery, not every user may experience peak performance. You may have noticed that sometimes batteries do discharge before going to 1 or 2 percent or your devices shut down before their mentioned time. Besides, there is also a situation, when you put your phone to charge, and your phone’s battery goes up to 20 or 30 percent, within a few minutes.
These situations are caused due to error in batteries. And, the best solution to this problem is Battery Calibration.
What is Battery Calibration?
Battery calibration is a way to correct the battery statistics that go wrong and show incorrect battery time. The process includes resetting your battery statistics so that your phone shows the actual percentage of the remaining charge.
Although battery calibration is an important part of the iPhone maintenance; many users don’t know its usefulness, when to calibrate the battery, and how to do it correctly. So, let’s get to know the process in detail
Disclaimer: Proceed at your own risk, TechieTechTech will not be responsible if anything goes wrong with your device.
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Why calibrate iPhone battery?
Here are some major reasons why you should calibrate your iPhone battery in 2021:
- It helps to condition the battery.
- It also enables iOS to calculate the battery percentage more accurately.
- Battery calibration is also good for battery life.
Regular draining and recharging of the iPhone battery keeps the flow of ions moving in the battery. Due to the material’s properties, lithium-ion batteries require constant usage to maintain peak performance. Therefore, it is advised to regularly discharge and recharge the battery.
When to calibrate an iPhone battery?
Now, you must be thinking of how frequently should you calibrate the iPhone battery, right? We have the answer to this.
You should perform battery calibration once in a while and after every major iOS update or when you experience a noticeable battery drain.
In iPhones, iOS is responsible for calculating the amount of charge available in the battery. With every upgrade, new features are added, which may affect the iPhone’s battery life. Although Apple tries to improve battery life, updates also introduce battery-intensive features like background updates. Therefore, recharging the full drained battery calibrates iOS to detect the full range of battery life.
What are the prerequisites of the iPhone battery calibration?
There are a few steps that you should take before starting the iPhone battery calibration. You need to disable a few features and services to ensure a minimal power draw. You can enable these features after you’re done with the process.
Disable the following:
- Location services.
- Background refresh.
- Decrease screen brightness.
- Turn-off automatic updates.
How to calibrate the iPhone battery?
Here are the steps to calibrate the iPhone battery:
- Use your iPhone until it shuts off automatically. You can turn on the flashlight, turn up the brightness, or stream over the internet to expedite battery drainage.
- Keep your iPhone at rest overnight to drain the battery further.
- Plug your iPhone and wait for it to power up. Make sure to use the Apple charger or the one that runs with the same amperage and wattage.
- Switch OFF your iPhone.
- Let your iPhone charge uninterruptedly for 5 hours. However, you would not see the charge indicator as the iPhone is turned off. So, no need to panic, everything’s ok.
- While the charging cable is still connected, Turn ON your iPhone.
- After the iPhone has booted up, force restart the iPhone.
- For iPhone 6s or earlier, hold the sleep/wake and home buttons until you see the Apple logo.
- For iPhone 7 and 7 Plus, press and hold the sleep/wake and volume down buttons until you see the Apple logo.
- To Force Restart iPhone 8 or later models, follow these steps:
1. Press the volume up button.
2. Press the volume down button.
3. Press and hold the sleep/wake button.
4. Keep holding until you see the Apple logo.
- After your iPhone has turned ON, remove the charging cable.
If calibration doesn’t help you improve the battery life, it might be time to replace the battery of your iPhone. Luckily, you can also improve your iPhone battery health by following some amazing tips.