Downloading patch files for WLAN devices


To download a patch file of a WLAN device, perform the following operations:

1. Visit

2. Click Software Download. Under By Product, click WLAN.

3. Select a WLAN device model.

4. Select the latest patch file ending with SPHxxx, and download the related patch release notes and patch installation guide.

Other related questions:
What is a patch of a WLAN device
A patch is a kind of software compatible with the system software. It is used to remove some critical bugs from system software. Patch classification: - Hot patch Hot patches do not interrupt running services of a WLAN device and can repair software defects of the current system without restarting the device. - Cold patch Cold patches repair software defects of the current system only after a device restart. SPH indicates a hot patch, while SPC indicates a cold patch. The patch file uses .pat as the file name extension.

How do WLAN devices upload or download files through TFTP
To enable a WLAN device to upload or download files using TFTP, perform the following operations: 1. Run TFTP software on a TFTP server, and set the TFTP working directory. (For details, see the help document about the third-party software.) 2. Use TFTP commands to connect the TFTP server, and download and upload files. tftp get //Connect the TFTP server and download the file. tftp put //Connect the TFTP server and upload the file.

How do WLAN devices upload or download files using FTP
To enable a WLAN device to upload or download files using FTP, ensure that a local PC and the WLAN device can communicate with each other. A WLAN device functions as an FTP server and a PC functions as an FTP client. The IP address of the WLAN device is The configuration method is as follows: 1. Enable FTP and configure an FTP user for the WLAN device. [Huawei] sysname FTPServer [FTPServer] ftp server enable //Enable the FTP service. [FTPServer] aaa [FTPServer-aaa] local-user admin1234 password irreversible-cipher Helloworld@6789 [FTPServer-aaa] local-user admin1234 privilege level 15 [FTPServer-aaa] local-user admin1234 service-type ftp [FTPServer-aaa] local-user admin1234 ftp-directory flash: [FTPServer-aaa] quit [FTPServer] quit 2. Connect the WLAN device to a local PC using FTP and transfer a file. The following uses the Windows XP operating system as an example: C:\Documents and Setting\Administrator> ftp //Connect to an FTP server. Connected to 220 FTP service ready. User ( admin1234 //Enter the user name. 331 Password required for admin1234 Password: //Enter the password. 230 User logged in. Configure the binary transfer mode and specify the directory on the local PC. ftp> binary //Set the file transfer mode to the binary mode. 200 Type set to I. ftp> lcd c:\temp //Set the working directory for the PC. Local directory now C: ftp> get vrpcfg.cfg //Download the vrpcfg.cfg file to the PC. ftp> put vrpcfg.cfg //Upload the vrpcfg.cfg file from the PC to the WLAN device. File transfer using FTP is simple but may bring security risks. Exercise caution when using FTP for file transfer.

Downloading software packages for WLAN devices
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