Every smartphone has a unique serial number which the manufacturers assign.
The serial number is the identity of the smartphone that helps the manufacturer recognize the gadget.
It also has a few other uses.

So, serial number on Android has great importance.
The serial number is usually listed as anS/Non the smartphones box.
The serial number is useful for gear service, replacement, or warranty.

Some users confuse Serial Number with IMEI, but both are different.
The serial number also plays an important role in accepting cellular web link and app licenses.
For this, follow the guide below.

Now load the app and launch it on your Android.
Launch the app and enter the serial number you want to set on your unit.
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