1 Fill in the simple form Give us basic details like make and model of the phone that is locked to Three, as well as the IMEI number - which you can get by dialing *#06#. 2 Choose a payment method We accept all major credit and debit cards, Official SIM Unlock is the cheapest way to IMEI unlock your Three phone! 3 Best answer: A SIM PIN code is a (usually) four-digit number used to unlock a physical SIM card. The code is supplied by your carrier and some carriers allow you to change it. You'll need Tap "Unlock", you'll see a message "SIM Unlock Process. Continue?" then select "Yes" Enter the AT&T 16-digit network unlock code and tap "OK" Most LG phones use a 16-digit unlock code, while a few models use an 8-digit code. AT&T iPhone Unlock Instructions. Insert a non-AT&T SIM card into your iPhone to activate it. Or Unlock Samsung Phone. Unlock Samsung Phone online using your IMEI number and connect to any carrier, including all carriers like AT&T, Sprint, T-Mobile and Verizon. With Samsung unlock codes for all models, including Galaxy S20, S10, S9, S8, S7, and other locked Samsung sim cards. Permanently unlock your Samsung without affecting your warranty. Entering the unlock code in a Samsung Galaxy Note 3 is very simple. 1. Start the Samsung Galaxy Note 3 with an unaccepted simcard (unaccepted means different than the one in which the device works) 2. Special unock window should appear. There is also a special RGCK (regional lock code) code sometimes provided. Once you receive our 8 digit Samsung Unlock code (Network code) and easy to follow instructions, your Samsung phone will be unlocked within 2 minutes. You will then be able to use your unlocked Samsung Smartphone and use the SIM card of your choice! We can unlock all the _newest Samsung Models including Samsung Galaxy Note 3, Galaxy Note 7 Continue to Settings > WLAN to open the network settings of the device. Look for the Wi-Fi networks that you have connected with and tap on Forget This Network. Remove all connected networks from the My Networks section and turn off Wi-Fi. Following this, re-insert your SIM card and tap Continue on the computer screen to proceed next. 1. Insert a new SIM card into your device and power it on. 2. Once prompted, you'll have to enter one of two codes: 000000. 123456. 3. All done! Those are the only two codes that Verizon uses D4fMw.