Network Locked Sim Card Inserted Ee. Go to doctorsim.com from a web browser. Now, you should see a box to enter the unlock code.
Then, turn on the device again and a prompt will ask you to input the unlock code. Insert the sim card of the new carrier. Before even attempting to find a sim network unlock pin, you should be sure that your carrier really locked your phone.
You might also see a message saying something like:
Following is a simple step by step guideline to check if your phone is locked or not: 8 to disable the sim card lock, tap. Get a monumental 160gb for £20pm Most devices sold by ee are 'locked' to ee.