Bellow is shown the exact method to insert the unlock codes for LG E435 Optimus L3 II Dual

1. Turn on phone with Not Accepted SIM card ( a sim from a different carrier).

2. A menu will pop up to Insert the code.

3. Insert the provided code/NCK and press OK

4. Device is now unlocked.

or
1. Insert the sim card which your phone works now

2. Type 2945#*435#

3.  A window appears for entering unlock code

4. If your phone will ask for Network lock enter NCK code received

5. If your phone will ask for Service provider code enter SPCK code received

6. Confirm code and press OK

5. Your phone is unlocked now

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