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Frequency Calculator

In order to obtain the ARFCN/UARFCN/EARFCN, you will need to enter "Field Test Mode" in your phone. This varies greatly from phone to phone. In general, all involve dialing certain special codes in the dialer in order to bring up the hidden options.

Some common ones are:


Samsung (Android): *#*#197328640#*#* or *#0011#
Sony (Android): *#*#*386#*#* or *#*#*585*0000#*#*
iPhone (all): *3001#12345#*
HTC (Android): *#*#7262626#*#*

Remember to use the "downlink" or "RX" (U)ARFCN