How to know if my adapter is original?
my adapter serial number No.C4****1AS. its orignal or not
[Re-Titled by Moderator]
my adapter serial number No.C4****1AS. its orignal or not
[Re-Titled by Moderator]
Identify counterfeit or uncertified Lightning connector accessories:
Apple recommends using only accessories that Apple has certified and that come with the MFi badge. Learn about the issues that counterfeit or uncertified Lightning accessories can cause and how to identify these accessories.
If you use a counterfeit or uncertified Lightning accessory, you could see these issues:
Compare packaging and writing on the cable
To identify counterfeit or uncertified cables and accessories, look carefully at the accessory's packaging and at the accessory itself. Certified third-party accessories have the MFi badge on their packaging:

Some accessories may have a previous version of the MFi badge:

An Apple Lightning to USB cable has "Designed by Apple in California" and either "Assembled in China," "Assembled in Vietnam" or "Indústria Brasileira" on the cable about seven inches from the USB connector. You'll see a 12-digit serial number at the end of this text.



Compare connectors and laser etchings
You can use the Lightning connector, USB connector, and laser etchings to identify counterfeit or uncertified Lightning accessories. Compare the images below of certified Apple accessories and counterfeit or uncertified Lightning accessories. These are only a few counterfeit products. There are others.
Lightning to USB cable, Lightning-connector end
Here are examples of the Lightning-connector end of the Lightning to USB cable. The first three are Apple branded, the others are counterfeit or uncertified.
Apple-branded Lightning to USB cable

Single piece
Smooth
Rounded, smooth, gold- or silver-colored contacts

The width and length of Apple boot are consistent (7.7 mm x 12 mm)

Grey/metallic faceplate insert
Counterfeit or uncertified Lightning to USB cable

More than one piece
Rough or inconsistent finish
Squared contacts with an uneven surface

Varying width, length, or thickness

White or black faceplate insert

Lightning to USB cable, USB connector end
Here are examples of the USB connector end of the Lightning to USB cable. The first four are Apple branded, and the next set is counterfeit or uncertified.
Apple-branded Lightning to USB cable

Interlocks on USB shell are trapezoidal
Interlocks are equally spaced from the edge

USB contacts are gold-plated

USB surface is smooth and consistent
Surface of USB shell is flat

The surface of the insulator for the USB connection is uniform and flat
Counterfeit Lightning to USB cable

USB shell interlocks have right angles
Interlocks are inconsistently spaced

USB contacts are silver-plated

USB surface is rough or grainy
Surface of USB shell has a detent or retaining divot

The insulator for USB connection has notches or indents

Lightning to 30-pin Adaptor
Here are examples of the Lightning to 30-pin Adaptor. The first is Apple branded, the others are counterfeit.
Apple-branded Lightning to 30-pin Adaptor

Icon for 30-pin dock connection is laser-etched and clear
The connection between the adaptor body and the Lightning connector is flush
Counterfeit Lightning to 30-pin Adaptor

Blurry or missing laser etching
Step-down or large notch between adaptor body and Lightning connector
Differences in the appearance of the Lightning connector

Lightning to Micro USB Adaptor
Here are examples of the Lightning to Micro USB Adaptor. The first is Apple branded, the others are counterfeit or uncertified.
Apple-branded Lightning to Micro USB Adaptor

Laser-etched USB symbol
The connection between the adaptor body and the Lightning connector is flush
Counterfeit Lightning to Micro USB Adaptor

Embossed or missing USB symbol
Step-down or large notch between adaptor body and Lightning connector
Differences in the appearance of the Lightning connector
Did you purchase this power adapter directly from Apple or an Apple Authorized Reseller? If so, then it would be an original Apple product. If not, then it could be a fake.
You can try entering the serial number here: Check Your Service and Support Coverage - Apple Support
Ref: About Apple USB power adapters - Apple Support
How to know if my adapter is original?