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 "calling" certain numbers to bring up the hidden options
Some common ones are:

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

Remember to use the "downlink" or "RX" (U)ARFCN A great site listing dozens of other phones can be found here

Select network type:
E/U/ARFCN number:
(Downlink only)
Select a region:


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