If the 4th character of the serial number is an M, it represents the first half of 2014.Īpple divides the year into halves as it rolls out silent upgrades every six months of each year. So if the first letter of your iPhone’s serial number starts with M, it means that it was manufactured in Apple’s Malaysian factory. The next two represent the year and the week your iPhone was manufactured. The first three characters of your iPhone’s serial number represent the manufacturing location. However, if the 4th character of your iPhone’s serial number is M, it means that your iPhone was manufactured in the first half of the year 2014. If your iPhone’s serial number starts with M, it means that the iPhone was manufactured in Malaysia. What Does M Mean In iPhone Serial Number? However, the letters RM mean refurbished or remanufactured.Ĭonfused about how each Apple warranty differs? Please read my article to find out everything you need to know about Apple warranties. Whereas the Asian, European, and American factories are assigned alphabetic codes, usually representing the first letters of their names. For example, the factories in China are represented with both letters and numbers. The first letter of the serial number only represents the manufacturing location and not the factory.

And the last four digits indicate the model number of your iPhone.

The next three represent a unique identifier for your device.

The next two numbers are the year and week the device was manufactured.

The first three digits are for the manufacturing location.Here’s what all the letters or numbers in the serial number of your iPhone mean: When you look at an iPhone’s serial number either printed at the back of the device or found in the settings, you will notice an alphanumeric code. The rest of the numbers indicate the year and the week of manufacture, a unique identifier, and the model number.

It is the location code for where your device was manufactured. The first letter in your iPhone’s serial number represents the manufacturing location. What Does the First Letter in iPhone Serial Number Mean?

Apple serial number info