Nokia Model 100 Type Rh 130 Unlock Code

Attempt Limits: You usually have 3 to 5 attempts to enter the correct code. If you exceed this, the phone may become "hard-locked" or permanently locked to the original network, requiring specialized flashing tools (which are obsolete today).
No Universal Code: There is no single code that unlocks all Nokia 100 RH-130 phones. The code is unique per IMEI and carrier.
Free vs. Paid: Be wary of "free code generators" on suspicious websites. Many are scams, spread malware, or generate random numbers that will waste your attempts.

In the past, some used DCT4 calculator software (like NokiaFree Unlock Codes Calculator) with IMEI and network code. However, these methods are largely outdated, unreliable for newer firmware, and may not work on RH-130. Warning: Entering too many wrong codes can permanently lock the phone.