C300BRS4A v2

The Conceptronic C300BRS4A v2 router has 300mbps WiFi, 4 100mbps ETH-ports and 0 USB-ports.

Quick links:
Default password/Login

C300BRS4A v2 router specifications (specs)

System specs
CPU: 384 MHz
RAM: 32 MiB
Flash: 4 MiB
Custom firmwares: OpenWrt

Connectivity
WiFi: 300mbps (bgn)
WiFi bands: n/a
WiFi throughput: n/a
WAN: 1 x 100mbps port
ETH: 4 x 100mbps ports
USB-ports: 0

Hard reset instructions for Conceptronic C300BRS4A v2

If your C300BRS4A v2 router is not working as it should, dropping connections or not being responsive, you should first do a reset of the router to see if the problems persist. Other scenarios where you might want to reset your router is if you've forgotten the password or misconfigured it and can't get access anymore.
Your can reset your Conceptronic C300BRS4A v2 in the following way(s):

The 30-30-30 reset

There are no specific instructions for this model yet, but you can always do the 30-30-30 reset as follows:

When router is powered on, press the reset button and hold for 30 seconds. (Use a paper clip or something sharp)
While holding the reset button pressed, unplug the power of the router and hold the reset button for 30 seconds
While still holding the reset button down, turn on the power to the unit again and hold for another 30 seconds.

This process usually works for resetting any router to it's factory setting.

Note: It is worth reading more about how to reset routers with the 30 30 30 reset and what the risks and considerations are when resetting your router this way, instead of just rebooting it.

Default factory settings for Conceptronic C300BRS4A v2

If you have performed a reset of your C300BRS4A v2 device or not changed the defaults, you should be able to access it with the following settings:

Default subnet mask: 255.255.255.0

Note: If you are using the default settings you should change them to increase security and prevent unathorized access to your network.

C300BRS4A v2 Firmwares

Staying up to date with the latest firmware is a good idea to keep your router even more secure from various security flaws.
If you want to squeeze a little bit of extra functionality out of your router, consider flashing an open-source firmware like dd-wrt, openWRT or LEDE. Flashing a custom ROM can greatly increase the stability and functionality of your old router.
Following are the firmwares that we have identified existing for the Conceptronic C300BRS4A v2:

Flashing OpenWrt on the Conceptronic C300BRS4A v2

The Conceptronic C300BRS4A v2 is supported by OpenWrt according to their Table of Hardware. So flashing OpenWrt onto it should be quite straigthforward.
We couldn't find any specific instructions for flashin OpenWrt on the Conceptronic C300BRS4A v2, but since it's listed in their Table of Hardware as supported, you can head over to the OpenWrt install instructions and read on there.
Note: Flashing custom firmwares is always on you're on own risk. Make sure to read OpenWrt's wikis to understand the risks and how to proceed if something goes wrong.

Conceptronic stock firmware for the C300BRS4A v2

Stock firmwares for the C300BRS4A v2 are available under the download section on the modem's support page. You can also refer to the router's manual for instructions on how to upgrade the firmware.