This is the correct order to connect the cell phone and the charger.

According to the mobile device manufacturer, it is crucial to correctly connect the cell phone to the charging source and, according to experts, the best way would be to first connect the charger to the socket; Well, as they indicate, if the data cable is first plugged into the phone, a large impulse is generated when connecting the 'power outlet', and this excess voltage can damage the cell phone.

And after charging it to 100%, what do you unplug first?

As indicated in this case, the same procedure must be followed, so you must first unplug the phone, since, otherwise, it could cause problems in the cell phone battery due to an “instantaneous reverse current”, which includes accelerated aging of the battery and reduced useful life. Also, remember not to leave your charger connected without the cell phone, as this could affect its performance.

How to save cell phone battery?

Depending on the Android mobile operating system, you can reduce the charge consumption on your smartphone by deactivating and closing background applications, adjusting the brightness on your screen or leaving it on “automatic”, setting the automatic screen lock in less time, deactivating the sounds or vibrations of the keyboard, activating the “energy saving” mode and activating the dark theme, a technique that is scientifically proven.

In addition, it is advisable to use mobile data only when necessary and have good habits when charging your cell phone, since there are some “unforgivable” mistakes when recharging your mobile phone's battery that could seriously harm its performance and useful life. Of the device.