Huawei K3765 is a 3G USB modem that supports HSDPA download speed up to 7.2 Mbps and HSUPA upload speed up to 5.76 Mbps. It is compatible with Windows, Mac OS and Linux operating systems. However, some users may encounter problems when trying to update the firmware of this device. In this article, we will show you how to update Huawei K3765 modem firmware using a simple method.
What is Firmware and Why Update It?
Firmware is a software program that controls the hardware functions of a device. It is stored in the memory of the device and can be updated by the manufacturer or the user. Updating firmware can improve the performance, stability and security of the device, as well as fix some bugs and errors.
How to Update Huawei K3765 Modem Firmware?
To update Huawei K3765 modem firmware, you will need the following:
A Huawei K3765 modem with a SIM card inserted
A computer with an internet connection
A USB cable to connect the modem to the computer
The latest firmware file for Huawei K3765 modem, which you can download from here[^1^] or here[^2^]. The file name is huawei firmware K3765 11.126.03.07.00 B418.zip and it has a size of 6.2 MB.
Once you have everything ready, follow these steps:
Extract the firmware file using a zip extractor program such as WinRAR or 7-Zip.
Connect the modem to the computer using the USB cable and wait for it to be detected.
Open the dialer of your modem (usually located in My Computer or Computer) and enter *#*#2846579#*#* to access the Project Menu.
Select Software Upgrade > SDCard Upgrade > OK.
Select the UPDATE.APP file that you extracted from the firmware file and click OK.
Wait for the update process to complete. It may take several minutes and your modem may restart automatically.
Once the update is done, disconnect the modem from the computer and enjoy your improved device.
If you encounter any problems during or after the update process, here are some tips that may help you:
Make sure you have downloaded the correct firmware file for your modem model and region.
Make sure your modem has enough battery power before starting the update.
Do not disconnect or turn off your modem or computer during the update.
If your modem does not detect the firmware file, try copying it to a different folder or renaming it to UPDATE.ZIP.
If your modem does not boot up after the update, try resetting it by pressing and holding the power button for 10 seconds.
If your modem does not work properly after the update, try restoring it to factory settings by entering *#*#2846579#*#* > Restore Factory > OK. 061ffe29dd