The T-Home Speedport W 303V is a IAD sold by T-Com with a ADSL2+ Annex B Modem, 11n Wifi and two FXS ports as well as a S₀ bus connector.

There are 2 models of it, "Typ A" and "Typ B" having completely different hardware. Click here for "Typ A".

• To remove the cover you have two remove two screws, then open a total of eight plastic clips. These are very easy to break.

→ port.serial

The Speedport W 303V comes pre equipped with a serial header with 3.3V TTL. The serial console is available on J3

serial connector J3

       |---|
       | o | GND
       | o | RX
       | o | TX
       | o | 3.3V
       |---|

  <Ethernet/RJ45 Ports are on this side>

The serial port is the typical 3.3V TTL serial commonly found on router and router-like devices, NOT a PC-style RS-232 serial, with it's different signaling voltages. It's 115200 8-N-1 without hardware or software control.

1. → obtain.firmware
2. → Install OpenWrt

This section deals with how you install OpenWrt from a device freshly opened.

• Configure your PC to use an IP from 192.168.2.0/24 (not .1)
• Press and hold reset, power on the device
• Wait until all leds are lit, then stop pressing reset
• Browse to http://192.168.2.1
• Upload openwrt-SPW303V-squashfs-cfe-factory.bin file to router
• Wait for it to reboot
• Telnet to 192.168.1.1 and set a root password, or browse to http://192.168.1.1 if LuCI is installed.

NOTE: If you are using this to recover from a non working flash, you have to first upload a stock firmware using the same procedure, then flash OpenWrt.

→ generic.sysupgrade

If you have already installed OpenWrt and like to reflash for e.g. upgrading to a new OpenWrt version you can upgrade using the sysupgrade command line tool. It is important that you put the firmware image into the ramdisk (/tmp) before you start flashing.

Note: You need the -sysupgrade.bin file for upgrading.

• Browse to http://192.168.1.1/cgi-bin/luci/mini/system/upgrade/ LuCI Upgrade URL
• Upload image file for sysupgrade to LuCI
• Wait for reboot

• Login as root via SSH on 192.168.1.1
• Use the following commands to upgrade.

cd /tmp/
wget http://downloads.openwrt.org/attitude_adjustment/12.09/brcm63xx/generic/openwrt-SPW303V-squashfs-cfe-sysupgrade.bin
sysupgrade openwrt-SPW303V-squashfs-cfe-sysupgrade.bin

→ Basic configuration After flashing, proceed with this.
Set up your Internet connection, configure wireless, configure USB port, etc.

The default network configuration is:

Installation the proprietary Broadcom drivers

opkg install kmod-brcm-wl wlc

→ generic.failsafe

→ hardware.button on howto use and configure the hardware button(s).

The Speedport W 303V has two buttons. They are Reset and Secure Easy Setup. Here, we merely name the buttons, so we can use them in the above Howto:

→ generic.debrick

The Bootloader (CFE) is password protected. To abort autoboot you have to either hold the reset button long enough to enter recovery mode or enter TCO& when it counts down for autoboot.