The details you entered into the calculator were incorrect. Recheck your IMEI number and verify the original network provider.

Enter the 15 digits carefully. A single wrong digit will generate an incorrect code. Country: Select the origin country of the network provider. Provider/Network: Select the specific carrier.

The phone was locked to a network that no longer existed. In the old days, Elias would have laughed at this problem. He would have opened his drawer, pulled out a thick bundle of cables—the MBUS and FBUS data cables—and hooked the phone up to a clunky desktop running specialized unlocking software. He would have read the EEPROM, calculated the code, and punched it in. Done.

"I can," Elias grumbled. He plugged the phone in with a standard charger. He couldn't brute-force it; typing in three wrong codes would hard-lock the phone, requiring a PUK code that was lost to history.

"Open," Elias said. "No restrictions. Ready for any SIM card in the world."

The best-selling mobile phones of all time.

Nokia DCT4 phones permit exactly to enter an unlock code. If you enter incorrect codes five times, the handset will hard-lock itself against manual keypad unlocking.

As soon as you press the final # , the phone will process the code.

: If successful, the screen will display "SIM Restriction Off." Caution: You usually only have 5 attempts before the phone permanently "hard-locks." Common Device Codes Default Security Code : Usually 12345 .

Dct4 Calculator Online: Nokia

The details you entered into the calculator were incorrect. Recheck your IMEI number and verify the original network provider.

Enter the 15 digits carefully. A single wrong digit will generate an incorrect code. Country: Select the origin country of the network provider. Provider/Network: Select the specific carrier.

The phone was locked to a network that no longer existed. In the old days, Elias would have laughed at this problem. He would have opened his drawer, pulled out a thick bundle of cables—the MBUS and FBUS data cables—and hooked the phone up to a clunky desktop running specialized unlocking software. He would have read the EEPROM, calculated the code, and punched it in. Done. nokia dct4 calculator online

"I can," Elias grumbled. He plugged the phone in with a standard charger. He couldn't brute-force it; typing in three wrong codes would hard-lock the phone, requiring a PUK code that was lost to history.

"Open," Elias said. "No restrictions. Ready for any SIM card in the world." The details you entered into the calculator were incorrect

The best-selling mobile phones of all time.

Nokia DCT4 phones permit exactly to enter an unlock code. If you enter incorrect codes five times, the handset will hard-lock itself against manual keypad unlocking. A single wrong digit will generate an incorrect code

As soon as you press the final # , the phone will process the code.

: If successful, the screen will display "SIM Restriction Off." Caution: You usually only have 5 attempts before the phone permanently "hard-locks." Common Device Codes Default Security Code : Usually 12345 .