Nokia Dct4 Calculator Info

To use a DCT4 calculator:

Perhaps the most famous of all. Rolis’s software was a standalone Windows executable. You entered the IMEI, selected the network provider (or entered the MCC/MNC manually), and clicked "Calculate." It supported DCT3, DCT4, and later BB5 phones. The interface was utilitarian, but it worked with near-perfect accuracy. nokia dct4 calculator

Supported models:
3100, 3120, 3200, 3300, 3510(i), 3530, 3560, 3595, 3610, 3650, 3660, 5100, 5140, 5140i, 6100, 6108, 6200, 6220, 6225, 6230, 6230i, 6260, 6270, 6280, 6600, 6610, 6610i, 6650, 6670, 6680, 6681, 6682, 6810, 6820, 6822, 7200, 7210, 7250, 7250i, 7260, 7270, 7280, 7360, 7370, 7380, 7600, 7610, 7710, 8800, 8910i, N-Gage, N-Gage QD. To use a DCT4 calculator:

Press *#06# → note 15 digits.
Or check under battery: IMEI (no slashes). Perhaps the most famous of all

A perennial favorite on GSM forums. This lightweight tool required you to know the "Box ID" or "Provider Code." It worked perfectly for 6310i and 3510 models. It is still downloadable on archive sites today.