fake or original apple charger

i use a samsung original charger that came in the box to charge my iphone SE problem 1 and 2 Solved

1)touch id works flawlessly even if my iphone is in a case

2)charger and phone is cool when charging

but still touchscreen acts weird

First, using a charger from any reputable manufacturer is fine and safe, as Samsung and other real companies follow the USB standard.

"Counterfeit" does not mean non-Apple; it means a device that masquerades as an Apple (or Samsung) charger but is generally poorly made by someone with lower standards to bring the price down. There are many reputable 3rd party chargers; I use Anker and Belkin; Mophie has good, reliable products. This link shows the products that Apple has certified and sells-->Power & Cables - iPhone Accessories - Apple

====

Now, to the screen acting weird; if it only happens when the phone is connected to the charger you have a bad Lightning cable. Replacing the cable should fix that.

There are others that disagree with me. However...

USB is an industry standard and, as long as you paid more than 29 cents for the charger, it should be fine. On the other hand, the cable from the charger to the device is Apple-proprietary and and you should always use an Apple or Apple-approved cable.

I strongly, as an electrical engineer, disagree with you. Please view the two videos I posted. Two different technicians analyze and tear down a total of 4 counterfeit cubes, each of which could either destroy your phone or electrocute you, or both. One counterfeit power source DID kill someone in China last year. Yes, she was stupidly using her phone in the bath, and it fell into the tub. With a properly isolated power source the immersion wouldn't have been good for the phone, but she would have been safe. The counterfeit cube had no line to output isolation, so there was 240 volts at the end of the Lightning cable between her and the ground connection provided by the pipes in the tub.

The USB standard includes a requirement for isolation of the USB output from the AC power source. There is no guarantee that counterfeit power sources meet the standard (and none of the 4 teardowns met it).

I strongly, as an electrical engineer, defend my position. You are implying that all non-Apple chargers are the same as what is in the video. Hmmm... I have two USB chargers from Bose. I don't accept an opinion that they're junk.

I remember a poster a year or two ago taking your opinion that screamed "don't buy Chinese junk." He was totally unaware that Apple chargers are made in China.

I would not buy any generic charger or a brand of charger that was not well known , regardless of whether it was 29¢ or $10.

I have bought Anker, Amazon basics and Belkin.

All companies I have heard of and have a reputation for releasing quality stuff.

Hello,

Take a look at the info in this article:

Identify counterfeit or uncertified Lightning connector accessories - Apple Support

Here are a couple of good videos showing the teardown of counterfeit chargers:

https://www.youtube.com/watch?v=_exfmbsPqEI

https://www.youtube.com/watch?v=wi-b9k-0KfE

Bachelor of Electrical Engineering, Villanova University, 1964.

You?

BEEE NYU Engineering 1966, MSCS Stevens 1974. Studied with Al Aho & Brian Kernighan at Stevens. (The A and K of AWK).

Impressive. What's the third "E" for?

I took a handful of night courses at Stevens after I got my degree.

I always considered Anker to be generic and I would never consider Amazon.

Bachelor of Engineering EE

Mine is simply BEE. "Engineering" is not repeated.