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File version : 4.02.0407.R
Description : Samsung WiBro/mWiMAX USB Device Driver
Copyright : Copyright (c) Samsung. All rights reserved.
Product Version : 4.02.0407.R
Product Name : Samsung WiBro/mWiMAX Phone
Company Name : Samsung Electronics
Internal name : C7xx USB Driver for Windows XP 64-bit
File Size: 49664 byte(s) 48.512 KB
MD5 : 28dfb6c73cabcd2d0a3f8de71ca0ea4c
SHA1: 34479C892745679411F3BA85830B6B8FF8DA4639

Download C7xPHNX6.sys
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How to Install C7xPHNX6.sys
Repair Sys ProblemsFixing a corrupted or missing C7xPHNX6.sys error is an easy process with a few steps. Open the zip-file you downloaded.Extract the .sys file to a location on your computer. We recommend you to unzip the file to the directory of the program that is requesting the file.
If that doesn't work, you will have to extract the file to your system directory.
By default, this is C:/WINNT/system32/drivers (Windows NT/2000).
or C:/Windows/system32/drivers (Windows XP, Vista, 7).
Make sure overwrite any existing files (but make a backup copy of the original file)
That should be it. Although not necessary you can reboot your computer as well.