Where to unplug phone from the charger?

[keppy]

When still charging, does it matter if it's unplugged from the wall or from the USB connection?

 

[Ralston18]

Does not matter to the electrons....

However, I use the wall. Do not like to leave a potentially "hot" wire (any voltage of any sort) dangling from a wall outlet.

Most cables are pretty flimsy nowadays and leaving them dangling is all the more likely to result in physical damage as well - getting snagged, pulled, stepped on, vacuumed up....

 

[makkem]

Hi
Generally better for equipment if you unplug it from the wall first.
If you pull the usb plug during charging you interrupt the current and may cause a spike,if you unplug it from the wall however the voltage will decay slowly as the capacitors discharge and you will not get a spike.