Factory unlock code of LG Optimus 4X HD P880 smartphone is available at routerunlock.com. Means unlocking of LG Optimus 4X HD P880 is possible if the device is asking for SIMlock / NCK after changing the SIM card.
If you LG Optimus 4X HD P880 is locked to a particular network, then you can not use it with another SIM cards. Once, the phone is unlocked, you are free to choose any carrier SIM card.
Unlocking of LG Optimus 4X HD P880 by code is one-time work. There is no firmware/software change is involved in this process, means you will not loose the warranty of the device.
In order to receive a correct network unlock code for your LG Optimus 4X HD P880, you need to mention the 15-digit IMEI number. To find the IMEI of your phone, just dial *#06# from your phone.
How to Unlock LG Optimus 4X HD P880 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 unlock code / SIMlock code/ NCK.
Note: For Network PIN use the NCK code and for Service provider PIN input the SPCK code.
4. Input the correct code, which is provided by routerunlock.com.
5. Now your LG Optimus 4X HD P880 is unlocked forever to use with any SIM card.
1. Switch ON the device with an accepted SIM card (e.g. LG Optimus 4X HD P880 was bought in T-Mobile then you need to insert T-Mobile SIM card).
2. Go to the dial screen and type “2945#*model number#” as a phone number.
For example: If the device is P880 you need to enter “2945#*880#” or for KU330 you need to enter “2945#*330#”.
1. Switch ON the phone with an acceptable SIM card. Dial 2945#*71001# or 2945#*20001# for making a call.
2. When the hidden window appears, enter the correct unlock code.
Note I: If your phone has dual-SIM, then only mention the first SIM slot IMEI. Once unlock code entered, both SIM slots will be released.
Note II: Factory unlock code charge of LG Optimus 4X HD P880 is 10USD. While paying mention model with IMEI in the transaction. Correct SIMLock code (including NCK, SPCK, NSCK) will be emailed within 24 hrs.
Note III: Only pay if the device is asking for unlock code as mentioned in the post.