Download Option GTM 378 Driver (Win)

This blog provides Option/Huawei/ZTE, modem/router/dongle Firmware Update, Dashboard Update, Windows & Mac OS Supported Dashboard and Drivers, this post provides Driver Option GTM 378, which can be downloaded from the link which is provided at the end of the Option GTM 378 Driver (Win) specification.

Option GTM 378 Driver (Win) Specifications :-

Manufacturer :- Option
Modem Types :- PC Card
Version :- Driver-5_1_36_0-Signed
Model :- GTM 378
Compatibility :- Windows XP, Vista, 7, 8, 10
Files Size :- 1.49MiB
Type of File :- Zip
Total Files :- 01
Last Updated :- June 30,2015
Create By :- Www.Modemfiles.Com
Downloaded Zip/Rar files extract in a folder using unzip/Winrar software, and procedure as mentioned in the specific post.
  1. Go to the Driver folder and open it.
  2.  Select “32/64bit” folder open it
  3. Select “setup.exe” files and always run as an administrator.
  4. If, when a security warning window PC pops up and OK the operation as instructed.
  5. Automatic Option GTM 378 Driver Installed successfully.
  6. Now, Connect your Huawei device to your computer’s or Laptop USB port.

  1. Make sure that the computer has all the drivers. (The easiest way to make sure that your computer meets this requirement is to connect the modem to the computer and connect to the internet.)
  2. Close any type of connection programs like Globe Trotter Connect or Branded mobile software (Modem must not be connected to the internet, modem light must be blinking, the software must not be running)
Disclaimer:- Modemfiles will not be responsible for the unauthorized changes of the firmware of your modem. In addition, if you want a specific firmware related to Huawei & ZTE modem, dongle, data card & router, comment it if available, then it will be published. All firmware files posted on the are free of cost and there is no need to pay them.

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