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53

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2

Hi All

Iam using a command: adb devices

and get this: C:>adb devices List of devices attached HT9CTP820385 device

My question is: where this serial number comes from? Does it burned on flash of device one time during a manufectoring or adb drivers assignes it dynamically or it comes with release that is burned on device?

+1  A: 

I got the same number (as the adb gives me) printed under battery inside my device. So, I guess, it's one-time burned on flash of device.

However, I cannot guarantee that it cannot be overwritten by the same process as flashing new firmware/bootloader/radio.

zed_0xff
+1  A: 

It's the device number deeply embedded in to the device itself. Every single device that connects to a computer (practically) has one of these (In one form or another). It has nothing to do with drivers.

Moncader
But what api returns the answer ? It is importent to me to get anderstand in details this process of serial number retrival
ilana
That depends which operating system you are on. In Linux you can use sudo lsusb -v | grep iSerial. It'll probably be the one that is a combination of letters and numbers. On Windows, you have to open of the device properties for that device from the device manager. In Android and others I'm not sure.
Moncader