What does CMIIT stand for? And what does the CMIIT ID # mean on my phone?

CMIIT stands for China Ministry of Industry and Information Technology, formerly called China Ministry of Information Industry (CMII). The CMIIT ID # identifies the certification ID of the phone device issued by CMIIT.

If your phone is certified by CMIIT to be sold in China, you can find the CMIIT ID # of your phone usually on the back cover.

CMIIT ID # consists of 4 parts, year, type, origin and serial number, as shown below:

          Year
          ----
          |   Type
          |   ---- 
          |   |Origin
          |   |------
          |   ||Serial Number 
          |   ||-------------
          |   |||
          v   vvv
CMIIT ID: 2017CJ3953

Format rules on FCC ID #s:

• Year is a 4-digit number.
• Type is A (fixed communication), C (public cellular), D (short distance), F (special cellular), G (broadcasting), H (aviation), L (radar), S (marine), W (satellite), or Z (other).
• Origin is P (domestic) or J (imported).
• Serial Number is the application serical number.

Here are some examples of FCC ID #s:

"CMIIT ID: 2010CJ3612" - C: Public cellular device, J: Imported
"CMIIT ID: 2017CJ3953" - C: Public cellular device, J: Imported 

For example, the following picture shows you a CMIIT registration ID of "CMIIT ID: 2010CJ3612" printed on the back cover of an Apple iPhone.

On an iPhone, you can also find the CMIIT ID # in "Settings > General > Legal & Regulatory" as shown below:

⇒ What Is the CE Marking on My Phone

⇐ What Is the IC Code on My Phone

⇑ Government Certification IDs

⇑⇑ Cell Phone FAQ (Frequently Asked Questions)