Find an unlock code for Samsung I8000 Omnia II cell phone or other mobile Most of the time you just need the Network Code (NCK) but when needed you'll also unlock code(s), you will also receive complete instructions on how to use it. Samsung OMNIA II™ | Black. Solutions & Tips, Download Manual, Contact Us. Samsung Support CA. Jan 31, 2009 Recently i found some tricks and tools to unlock samsung Omnia i780 and i900. 2. Then extract the zip file and copy all three .lnk files to your Pocket pc. 3. As NCK, enter 12345678 . I have followed your instructions but, after enter MCC/MNC code (21401), NCK (12345678) and tap OK it appears the 2) copy all three .lnk files to your PPC 3) run Lock. 5) As NCK, enter 12345678 . So this will unlock samsung Omnia for use with other sim? Samsung Unlock Instructions. Terminology: NCK= Network Unlock Code (The one that you use). FREEZE = Unfreeze Method #2 (NOT applicable for newer Samsung phones, ie. Galaxy S3, S4, S5, .. Model: i900 / Omnia. 1. Make sure View and Download Samsung Omnia II user manual online. PORTABLE Dual-Mode SMARTPHONE. Omnia II Cell Phone pdf manual download. Most networks only lock their Samsung handsets with the NCK lock enabled. Therefore you should only need to use this code when following the input instructions (see step 2). However some Model: Samsung i900 / Omnia. 1 - Switch ON Omnia II. Solutions & Tips, Download Manual, Contact Us. Samsung Support UK. 2. type the first 6 digits of the value of the IMSI entry here.enter valid. MCC/MNC 5. type #7465625*638*# and type your NCK (12345678)