Unresponsive While Charging

[brotherqwerty]

Just noticed using the ATT USB charger with the same specs as the Nokia charger that my phones touch screen is unresponsive or very very lagging. As soon as I disconnect the phone is fine.

Anyone else seen this?

 

[rdubmu]

I found that my tmobile micro-usb I used with my lumia also made the screen laggy. It was hard to swipe. Once I put a screen protector on my lumia, the phone was much more responsive. The Lumia Charger thou is the one I use 100% of the time now.

 

[jbjtkbw007]

Defective charger maybe? Exchange it, test new one in the store before leaving. That would be my recommendation, provided it wasn't a charger you already had that is.

 

[Adiliyo]

my focus s and focus both did this using their original chargers, my lumia will do it sometimes (using the nokia charger) as well.

it seems (to me at least) to be some kind of bug/flaw in the OS and not hardware specific...

 

[EddyKilowatt]

Touchscreens are *very* sensitive to electrical noise... such as that put out by cheap or improperly spec'd chargers. So a different charger would definitely be on the list of things to try.

Can anyone correlate an unresponsive screen with whether or not the charger cord has a ferrite core (EMI suppressor) on it? Those cores specifically block, or at least reduce, the kind of interference that bothers touchscreen circuits.