How to use the serial number of an Apple mobile phone to check the production date. The serial number is DX3KQQ76DTC0. Thank you, everyone.

iPhone 4S (GSM) 16GB Black

Serial number: DX3KQQ76DTC0

Device name: iPhone 4S

Capacity: 16GB

Color: Black

Type: iPhone4,1

Codename: n94ap

Model: MD235

Activation status: Already Activation (August 27, 2013)

Phone Support: Not Expired (October 20, 2013)

Hardware Warranty: Not Expired (August 26, 2014)< /p>

Production date: May 21, 2013 - May 27, 2013

Manufacturing factory: China

Remarks: Most of this model is a lock-free machine , the unlocked version can be used in both domestic networks (China Unicom + China Mobile), and the locked version can use card stickers

Brand new and genuine machines can be used with confidence

Warm reminder:

< p>Place of sale, also known as sales area/version, does not look at the serial number

Search in the mobile phone - Settings - General - About this device, and check according to the last digit or two letters. ,

The last two: CH National Bank, LL US version, ZP Hong Kong Bank, KH Korean version, NF France, KN Denmark, BZ Brazil

The last two: C Canada, XAustralia, BUK, FFrance, TItaly, BIreland, Several methods to identify iOS devices are as follows:

1. The above query can only identify the warranty of the device or the type of the device

2. Install itunes on the computer and find the desktop after successful installation. Run itunes and connect the ios device for identification

3. Use the unique screenshot method of ios to verify, press the HOME + power key at the same time to take a screenshot

4. Just like Android, go down to the notification bar to see Is there any (stock + weather) general new phone that can be set later?

If the above methods pass the test, there is no need to doubt that it is an authentic Apple product

ios device type: iphone5: iphone5.2 ipad4: ipad3.4

iphone4S: iphone4.1 ipad3: ipad3.1

iphone4: iphone3.1 ipad2: ipad2.1/2.4

iphone3GS: iphone2.1 ipad1: ipad1.1

ipadmini: ipad2.5

Note: The type here: does not represent the generations of iPhone or the generations of iPad, just one Code: There is no separate meaning

What card format is used to determine the mobile phone? GSM+WCDMA indicates that it is universal for the three networks, and GSM can use China Mobile and China Unicom 2G

CDMA is the 2G network format. In China, Operated by China Telecom; WCDMA European standard 3G standard, domestically operated by China Unicom

Most iPhones and iPads are manufactured by Foxconn, so the origin is China

Parallel imports will be activated in advance to cause inquiries If the activation time is more than one year earlier than the actual time, no warranty and activation time can be found

The warranty end date is calculated as a whole year from the day of activation, and the phone support is calculated as 90 days from the day of activation

The warranty and activation time display period is one year. If it exceeds one year, it will display expired, and the specific activation and warranty information cannot be found

Whether it is a brand new machine, check the above information for you, if it matches Note that this is a brand new machine

100% original, if there are any similarities, it is definitely a pirated copy by others

Select as a satisfactory answer in time