Learn how to check your phone's exact baseband revision, distinguish between a carrier SIM lock and an iCloud Activation Lock, and understand carrier unlock eligibility.
Learn the critical difference between a wireless carrier SIM restriction ("SIM Not Supported") and Apple’s Find My Activation Lock ("iPhone Locked to Owner") before requesting a service.
With 910+ verified Samsung models in our catalog, checking your exact Baseband (CP) string and BIT binary digit ensures immediate compatibility verification.
Understand how T-Mobile and Metro by T-Mobile remote Device Unlock authorization works, how legacy Sprint devices are handled, and why these three carriers require advance payment.
Find out why some Android phones ask for a "SIM Network Unlock PIN" when you insert a new SIM card, while others require a remote Direct Unlock.
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Pay after unlock (Excl. T-Mobile/Metro/Sprint iPhones)