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1. #MAC SERIAL NUMBER CHECK HOW TO#
2. #MAC SERIAL NUMBER CHECK SERIAL NUMBERS#
3. #MAC SERIAL NUMBER CHECK UPDATE#
4. #MAC SERIAL NUMBER CHECK SOFTWARE#
5. #MAC SERIAL NUMBER CHECK CODE#

There are a couple of ways to check your serial number in OS X. Therefore, be sure to check your system's serial number if it has been repaired to ensure that it matches the one printed on the chassis of your system. If that is overlooked, some services, such as FaceTime, may not work properly.

#MAC SERIAL NUMBER CHECK UPDATE#

When logic boards are replaced in a system, the technician is supposed to update its serial number to match that of the Mac's chassis. Other programs that use encryption and similar technologies may also show incorrect behavior if these also rely on the system's serial number. The serial number in OS X can be found here in the System Information tool (click for larger view). Recently a hint was posted on MacWorld that discusses the reliance of Apple's FaceTime technology on the hardware of the system, where people who have had logic boards replaced may not be able to connect because of an incorrect serial number following the repairs.

#MAC SERIAL NUMBER CHECK SOFTWARE#

While most of the time applications and services you use in your Mac will be relatively independent from the hardware setup, there are some instances where specific software may matter. What does it mean? You can always check serial number of your iPhone in About menu.If you have experienced problems with your Mac and have had to take it in for servicing, be sure to check your system's serial number when you get it back, especially if the service required a logic board replacement. I’ve got an iPhone 4 released before 2010. The ninth, tenth, and eleventh characters represent the iPhone’s model and color, and the last character represents the iPhone’s storage capacity. For Apple smartphones released after 2010, the information is encrypted in the final four digits of the serial number.

#MAC SERIAL NUMBER CHECK SERIAL NUMBERS#

The iPhones serial numbers also contain information about the device’s color and storage capacity. The number of models of Apple products is too huge to list their codes in one table, so here you have to search for them online. The last four digits of the serial number represent the product’s model. It’s starting to look more and more like a person’s ID, isn’t it? Let’s see what the last digits can tell us. The weeks are encrypted with digits starting with 28 through 52.Įach Apple device manufactured in the same location and during the same week of the same year get a unique identifier that is represented with the next three digits. H9 gives us the first half of the year 2012, week 9.įor devices manufactured in the second half of the year it’s a bit tricky. Therefore, if the year is C and the week is F, then your device was produced in the first half of the year 2010, week 12. For the tenth through twenty-seventh weeks the letters C through Y are used, excluding the vowels A, E, I, O, and U, and the letter S. The first through ninth weeks are represented with digits from 1 through 9. Here the company uses both letters and digits. The fifth character stands for the week in which the device was manufactured.

For example, H can stand for the first half of 2012 and it will represent the first half of 2022 as well. So, the fourth character of the serial number shows the year the device was manufactured in, and if it was in the first or second half of the year. Also, the changes in the downstream supply chain can occur. Apple splits the year in halves because the company is famous for introducing silent upgrades every six months or so.

#MAC SERIAL NUMBER CHECK CODE#

The year of manufacture is also encrypted by an alphabet code starting with the letter C. Tech Com – Quanta Computer Subsidiary, China This is the 12-character alphanumeric serial number used by Apple after 2010. You might get a bit overwhelmed and think it may be complicated to figure this out. Just download the tables and compare the codes yourself. Secondly, every software can have bugs from time to time and can display incorrect info. Why can’t I just use one of those?įirst of all, you may not always find yourself in a place where you have internet connection, or have slow service. There are tons of online tools that can help look up the serial number. You can also find it printed on the box in which the device came. If it’s scratched or worn, look up the number up in your device’s settings menu. The serial number is printed on the device. Where can I find this serial number? Find the serial number for your Apple TV.

#MAC SERIAL NUMBER CHECK HOW TO#