Chapter 5: Maintenance and troubleshooting
98-143082-D Software update 80
• a computer connected to the Internet, see To get remote access from a trusted IP
address (preconfigured) on page 25, or
• equipment capable of sending and receiving SMS messages, see Remote access with
SMS on page 23.
Note that you need a password for both access methods. For AT commands, use the
AT_ICLCK command with the admin password, for SMS, use the remote SMS password.
3. Use the command _IGETFW to initiate the software download (and maybe upgrade)
from the specified FTP server. If you are using the default APN this can be left out.
Example:AT_IGETFW=1, "ftp.myftpserver.com","ftp-
username","ftp-password"
In this example, the terminal will get the software from the FTP server named
ftp.myftpserver.com via the default APN and download and then upgrade the software
in the terminal.
4. The terminal prepares for software update, connects to the specified FTP server and
downloads the software image.
If you have selected Deferred update (_IGETFW=0), you have to use the command
_IUPDFW followed by the software file name when you want the terminal to upgrade the
software.
5. If you have selected Immediate update (_IGETFW=1), the terminal updates the system,
reboots, installs the update and verifies the online connection.
6. When the software upgrade is successfully completed you get an AT or SMS command
response with the message Complete.
Example:_IUPDFW: 0, Complete
To update software with USB
If the web interface is not available, you may also use the USB interface to update the software
from a USB memory stick.
To prepare the USB stick
Do as follows:
1. Download the EXPLORER 510 software to your computer
1
.
2. Insert the USB memory stick into your computer and copy the EXPLORER 510 software
image file to the drive.
3. Rename the file name to "tt3711a.tiif".
4. Remove the USB memory stick from the computer.
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