How to Calibrate Your Android Smartphone Battery to Increase Its Life (2024)

FAQs

How to Calibrate Your Android Smartphone Battery to Increase Its Life? ›

The recalibration process ensures that your device reflects the actual battery levels accurately once more. It's worth noting that battery calibration doesn't improve the battery life of your Android smartphone. Instead, it makes sure the percentage displayed reflects the battery's actual condition.

The recalibration process ensures that your device reflects the actual battery levels accurately once more. It's worth noting that battery calibration doesn't improve the battery life of your Android smartphone. Instead, it makes sure the percentage displayed reflects the battery's actual condition.

Without calibration, the battery percentage reading will be incorrect, and your device may behave oddly—shutting down suddenly even though the new battery “reads” half charged, or working for hours when the battery reads nearly dead.

It's primarily intended for use by technicians or Samsung customer support to troubleshoot problems. While using *#9900# itself is not inherently dangerous, it's important to exercise caution and avoid making changes or deleting logs from this menu unless you are knowledgeable about Android system diagnostics.

How to Fix a Dead Phone Battery. Try cleaning your phone's charging port or using a new charger to make sure they aren't causing the issue. If you can remove the battery, try jumpstarting it with a 9V battery or freezing it to revive it. If that doesn't work, have the battery replaced at a service center.

To check the battery level of your Samsung phone, you have two options: enter the secret code *#0228# or via the diagnostic function. The latter can be accessed through the settings or the Samsung Members app.

By pressing *3370# or #3370#, you'll activate your phone's “reserve battery power”. Battery life will increase by 50%. The reserve will automatically charge up the next time you change your device. Other claims state dialing the same sequence will boost cellular reception.

What is the best setting for battery life? ›

Switch to dark mode

How to: Go to Settings > Display on your Android phone. There, you'll find the option to switch between a light and dark theme, and an option to have dark mode turn on automatically at a certain time of day. To maximize battery life, I recommend keeping dark mode turned on all the time.

*#0228# → Display battery information (Samsung).

All Samsung phones may not support the #0228# secret code. In such situations, you can use the *##4636## code as an alternative.

There is no need to calibrate an iPhone battery.

Calibrating Your Laptop's Battery

The battery needs to be recalibrated from time to time to keep the onscreen battery time and percent display accurate. With all laptops, you should perform this procedure when you first use your computer and then every few months thereafter.

With time and multiple charge cycles, battery metering systems may become misaligned and display incorrect information about the remaining battery capacity. By calibrating your iPhone battery, you synchronize the operating system and the physical battery for a more accurate battery status reading.

Once the battery has been replaced, prior to starting the vehicle, the battery needs to be recalibrated to the vehicle. Using SR&R the battery is properly calibrated to the vehicle.