I wanting to buy a new Galaxy Note 7 to replace the old Galaxy Note 3, however, the SIM card of my Samsung Galaxy Note 3 is being locked, I've used this SIM card for a long time, how can I SIM unlock my Samsung Galaxy Note 4?

As we all known, SIM is also known as the smart card, the user identification card, GSM digital mobile phone must be installed on the card can be used. SIM card lock is mainly the number of PIN password input more than three times, and not correct, SIM card will automatically being locked. At this time, if you know the PUK password, you can enter it, and the card will be able to unlock. If you forgot the passcode, common practice, you bring your cell phone to the corresponding business hall, and then find the integrated service platform to help you unlock your SIM card.

However, for the users of Samsung Galaxy Note 1/Note 2/Note 3, it will become more simple. Because, you can easily SIM unlock your Samsung phone in few simple steps by using the software which is named Android SIM Unlock.

Steps to SIM Unlock Samsung Galaxy Note 1/note 2/note 3

Step 1. Download, install and run the program on your PC, then enter the unlocking mode.
Step 2. Connect Samsung Galaxy Note 1/Note 2/Note 3 to PC.
Step 3. Enter USB Settings / Diagnostic / Service Mode.
Step 4. Unlock the Phone in a click.
Step 5. Restore the phone to normal mode.

Related: How to Unlock Samsung Galaxy Note 7/5/4/3/2/1

Read the video guide here:


https://www.youtube.com/watch?v=GAp6CXeVlsY

I suggest you can approach Mobileunlocksolutions.com and specify the country,locked network of Samsung Galaxy Note 5 .Based on the availability you can get the permanent unlock service and for free unlock instructions visit Mobileunlockguide.com