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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/2000
File Size: 37632 byte(s) 36.768 KB
MD5 : 7ccf386898104e71a10245656091e627
SHA1: B431B4701224395C36E4EC12592908043CD49724

Download C7xPHNX3.sys
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How to Install C7xPHNX3.sys
Repair Sys ProblemsFixing a corrupted or missing C7xPHNX3.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.