The Factory SIM unlocking code for Huawei 421D is available, meaning that the permanent unlocking of Huawei 421D is possible with a correct NCK code. We can unlock every Huawei easily via IMEI. It is not required to change the firmware to unlock it, if the phone asks you to unlock the code after changing the SIM card. It is advisable to unlock Huawei 421D by code because you will not lose the phone warranty. This is the fastest and most secure way to unlock the phone via IMEI code. Unlocked phones can be used with all network SIMs worldwide.
To unlock your phone, we need only 15-digits IMEI. You can find the 15-digit correct IMEI by dialing *#06# on the phone.
The unlocking of the Huawei 421D by code is a recommended method by the manufacturer. Since the unlock code comes from the manufacturer database, it will unlock your phone 100%.
Once the order placed, you will get the following types of codes:
NCK – “NCK” or “Network Code” removes the main network restriction from the Huawei 421D.
SPCK – “Service Provider Code” or “Subset Unlock PIN” removes the network restriction of the subset network (e.g. Tesco in the U.K.).
SIMLock Block Unlock Reset Key – “SIM Lock Block Unlock Reset Key” used to reset the code counter if you have already tried with so many wrong codes on your Huawei 421D.
Note: In a few cases, you may get only NCK or Unlock Code, if in the database only one set of codes will be available. Also, if you will place the order for a Huawei modem/router, you will get only simlock / unlock code.