From Forum Nokia Wiki

ID		Creation date	May 2, 2009
Platform	S60 2nd Edition, S60 3rd Edition, S60 5th Edition	Tested on devices	Nokia N95, Nokia E90
Category	M	Subcategory	Base/System

Keywords (APIs, classes, methods, functions): system

Overview

This article shows how to retrieve system information in m.

Preconditions

Retrieving IMSI on Nokia 6600 does not work. The returned value is 000000000000000.

Source code

use system, gsm
 
 
print "Machine UID: " + system.hal(5)
print "CPU frequency in kHz: " + system.hal(11)
print "Display width in pixels: " + system.hal(31)
print "Display height in pixels: " + system.hal(32)
print "Display width in twips: " + system.hal(33)
print "Display height in twips: " + system.hal(34)
print "Display colors: " + system.hal(35)
print "System langauge: " + system.hal(68)  //Returns 1 for English, 2 for French, 3 for German etc.
print "System drive: " + system.hal(72)  //Returns 1 for A:, 2 for B:, 3 for C: etc.
print "Total RAM: " + system.hal(15)
print "Free RAM: " + system.hal(16)
print "Manufacturer and model (firmware): " + system.dev
print "Signal strength: " + gsm.signal()  //Value between 0 and 100
print "Cell ID: " + gsm.cid()
print "MCC: " + gsm.net()["mcc"]
print "MNC: " + gsm.net()["mnc"]
print "Short network name: " + gsm.net()["short"]
print "Long network name: " + gsm.net()["long"]
print "LAC: " + gsm.net()["lac"]
print "IMEI: " + gsm.imei
print "IMSI: " + gsm.imsi

Postconditions

The information is displayed.

Additional information

The hal function's argument is an index corresponding to an attribute. See the Symbian OS documentation for a complete list of indexes and attributes.