Unlock Samsung by NCK/MCK code (USA, Europe, worldwide)
Unlock your Samsung from the network by NCK/MCK code: USA (AT&T, Cricket, Xfinity, Spectrum, Verizon...), Europe/UK and worldwide. Insert another SIM, enter the code.
Updated: September 6, 2026
- Type
- IMEI
- Delivery
- Consultar
- Coverage
- Mundial
Compatible models [4]
- Samsung Galaxy S
- Galaxy Note
- Galaxy Z Fold
- Galaxy Z Flip
What is this service?
Network unlock for Samsung Galaxy devices by code (NCK / MCK / RGCK). Once unlocked, the device works with other carriers.
Which regions and carriers are covered?
- United States: AT&T, Cricket, Xfinity, Spectrum, T-Mobile, Metro, Verizon, US Cellular, among others (S, Note, Z Fold and Z Flip series; some options support unpaid devices).
- Europe / UK / Ireland / Austria: database codes (includes NCK, MCK and RGCK).
- Worldwide: all models (NCK + MCK), with an approximate 30-70% rate case by case.
How is it done?
You send the IMEI (dial *#06#). With the code, insert a SIM from another carrier; the device will ask for the unlock code and you enter it. Some recent variants require Reset & Update due to device security.
Important conditions
- Choose the correct region/carrier; no refund for a wrong order.
- Success rates vary by carrier and model.
Frequently asked questions
What is the difference between NCK and MCK? The NCK unlocks the carrier; the MCK is a control code some devices also ask for.
Does it cover foldable Galaxy phones? Yes: Z Fold and Z Flip, plus the S and Note series.
Is it permanent? Yes, unlocking by code is permanent.