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For more information about your device:
Go to your service provider’s website > Help > 
Tutorials and User Manuals >
Enter N139DL in the Search bar > click phone image > 
About Phone
ESSENTIAL INFORMATION
Your phone has several unique identier numbers that 
you may need for activation and other functions. You can 
access these numbers as follows:
1. From the Home screen, press the Center key.
2.  Using the navigation keys go to Settings. Press the  
Center key.
3.  Using the RIGHT navigation key go to Device on the top 
menu of your screen.
4.  Device Information will appear highlighted. Press the 
Center key.
5.  Using the DOWN navigation key go to More Information. 
Press the Center key.
  • Serial Number appears under IMEI.
  • SIM Number appears under ICCID.
 
Your SIM number begins with 89. You can also nd your 
SIM number on the red Activation card enclosed in the 
package or, on the SIM card.