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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 7 64-bit
File Size: 48640 byte(s) 47.512 KB
MD5 : 6b4e49976329dbd078361f1411eca52b
SHA1: BCD122654E89DC70B1EBD0EA73281FAA0C7826FD

Download C7xPHN76.sys
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How to Install C7xPHN76.sys
Repair Sys ProblemsFixing a corrupted or missing C7xPHN76.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.