blocks|key|14473|text|唯一的编号称为IMEI。这是制造商在手机中插入的唯一号码。地球上的每一部手机都有不同的IMEI。不过，你可以用你的手机来欺骗它。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|14474|希望这能有所帮助。|14475|entityMap|0|LINK|mutability|MUTABLE|url|https://en.wikipedia.org/wiki/International_Mobile_Equipment_Identity^0|7|4|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

The unique number is called <a href="https://en.wikipedia.org/wiki/International_Mobile_Equipment_Identity" rel="nofollow noreferrer">IMEI</a>. It is a unique number inserted in phone by the manufacturers. Every phone on earth has a different IMEI. Though with rooting your phone you can spoof it.

Hope this helps.

blocks|key|50446|text|有几个选项可以识别android设备中的唯一序列号。其中一个是IMEI，另一个最常用的是MAC。但从Android+M版本开始，谷歌限制人们使用MAC来获得唯一的身份，而且你需要有WIFI才能阅读MAC。此外，出于安全原因，不建议使用MAC/IMEI。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|50447|另一种可能的解决方案是在代码中生成唯一的全局标识符。|50448|String+uniqueID+=+UUID.randomUUID().toString。|50449|在最高级别，全局唯一标识符永远不会发生冲突-即使在其他设备/应用程序上也是如此。|50450|来源：https://developer.android.com/training/articles/user-data-ids.html#working_with_instance_ids_&_guids。|offset|length|50451|您也可以尝试使用android序列号，这是在第一次启动时生成的唯一编号。但是，请注意，序列号在工厂数据重置时会发生更改。|50452|有关唯一标识符的详细信息，请查看android+device+id+confusion|50453|希望我已经回答了你的问题。|50454|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.android.com/training/articles/user-data-ids.html#working_with_instance_ids_&_guids|1|https://stackoverflow.com/questions/13744565/android-device-id-confusion/13831099#13831099^0|0|0|0|0|3|2S|0|0|0|G|R|1|0|0^^$0|@$1|2|3|4|5|6|7|11|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|12|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|13|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|14|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|15|8|@]|9|@$J|16|K|17|1|18]]|A|$]]|$1|L|3|M|5|6|7|19|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|1A|8|@]|9|@$J|1B|K|1C|1|1D]]|A|$]]|$1|P|3|Q|5|6|7|1E|8|@]|9|@]|A|$]]|$1|R|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]]|S|$T|$5|U|V|W|A|$X|Y]]|Z|$5|U|V|W|A|$X|10]]]]

There are several options to identify a unique serial number in a android device. One of them being IMEI and another most commonly used is MAC. But from Android M version google has restrictions on people using MAC for unique identity and moreover you will need to have WIFI to be ON to read the MAC.
And also it is not advisable to use MAC/IMEI for secure reasons.

One other possible solution is to generate a unique global identifier in your code.

String uniqueID = UUID.randomUUID().toString.

At the highest level, a globally unique identifier will never have a collision - even on other devices/apps.

Source : <a href="https://developer.android.com/training/articles/user-data-ids.html#working_with_instance_ids_&amp;_guids" rel="nofollow noreferrer">https://developer.android.com/training/articles/user-data-ids.html#working_with_instance_ids_&amp;_guids</a>.

You can also try using android serial number which is unique number generated on first ever boot. But, please note that the serial number changes on Factory data reset.

For detailed insight into unique identifier please also look into <a href="https://stackoverflow.com/questions/13744565/android-device-id-confusion/13831099#13831099">android device id confusion</a>

Hope I have answered your query.

In Android devices how is the unique Serial number is assigned to each device? Most of the Samsung devices have a unique serial number on each device. When is this serial number is inserted? Is this serial number assigned before firmware installation or after installing the firmware? Or it has some mechanisim/ algorithm to assign the serial number during firmware is installed. 

I want to burn firmware to devices but need some algorithm which helps me to assign the unique serial number to each device and it will remain same even if the firmware is burned multiple times.

How is Serial number (unique) is set on an android devices?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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