SIM unlock code of all Huawei is out there , means Huawei 421D are often unlocked easily with unlock code. it's fast and secure thanks to unlock Huawei by IMEI. you'll unlock all Huawei 421D devices from any network round the world. Once the restriction is removed, you'll use all GSM sim-cards around from any country.
To unlock your phone, we'd like only 15-digits IMEI. you'll find the 15-digit correct IMEI by dialing *#06# on the phone. For a modem / router, you'll check the right IMEI from its settings.
Unlocking of the Huawei 421D by code doesn't avoid warranty. it's recommended method by manufacturer of Huawei to unlock by code.
The unlock code of Huawei 421D comes from the database of manufacturer or network provider, means it'll work 100%.
Depends upon the phone, you'll rise up to 4 codes of Huawei 421D from the database, which includes:
NCK – Network Code to get rid of the most network restriction from the Huawei 421D.
SPCK – Service Provider Code or Subset Unlock PIN to get rid of the network restriction from the subset network (e.g. Tesco within the U.K.).
SIMLock Block Unlock Reset Key – Reset Key to reset the code counter of the phone, if you've got already tried with numerous wrong codes on your Huawei 421D.
Note : If you'll place the order for a Huawei modem / router, you'll receive only NCK (Unlock Code).
How to Unlock Huawei 421D?
1. Switch OFF the Huawei 421D.
2. Insert any other network provider simcard (e.g. for a Vodafone device, you can use T-Mobile sim-card).
3. Switch ON.
4. It will prompt for simlock / NCK / SIM Network Unlock PIN.
5. Enter the unlock code which is provided by routerunlock.com.
6. Now your Huawei 421D is unlocked permanently.
Note : If the phone does not accept the first code, then enter the last code. Confirm unsuccessful message will appear. Now enter the unlock code again.
Unlocking Instructions for a Modem / Router
1. Change the default simcard with any another network provider and connect to PC with USB cable.
2. Open virtual CD-ROM and install the software / drivers of the modem.
3. Now run the software / WebUI of the modem, from the Desktop shortcut.
4. If prompted login into the device.
5. Now, it will redirect to the unlocking page and prompt for NCK.
6. Enter the unlock code which is provided by routerunlock.com.
7. Now Huawei 421D is unlocked successfully.
Have any question, let us know before placing the order.
CREDIT: routerunlock
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