Unlocking of Amazon Kindle Fire HD is now possible with NCK code. Now we can provide the factory unlock code of Kindle Fire HD phone. You might already know that if a phone is locked to a particular network, then you can not use it with any other network provider SIM card.
Once the phone is unlocked, you can use default SIM card, as well as another carrier SIM card also.
Unlocking of Kindle Fire HD by code is one-time work. It does not change any firmware or software, means you will not loose the warranty. Unlocking is permanent, means you have not to unlock every time you change the SIM card. In order to receive a correct network unlock code for your Amazon Kindle Fire HD, you need to mention the 15-digit IMEI number. You can find the IMEI of your phone by dialing *#06# on dial-pad.
Note I: If your phone has dual-SIM, then only mention the first slot IMEI. Once code entered, both SIM slot will be released.
How to Unlock Amazon Kindle Fire HD with NCK?
1. Switch off the phone.
2. Change the default SIM with any another network provider and switch it On.
3. The display will prompt you to enter the “SIM network unlock PIN”.
4. Input the unlock code, which is provided by routerunlock.com.
5. Now your Amazon Kindle Fire HD is unlocked forever to use with any SIM card.