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Upload new firmware to Carambola 2

This topic covers few methods how to upgrade firmware on Carambola. Some methods require only serial

connection, some only LAN, some LAN and Serial. Also you might need to install/setup other software to

perform these tasks.

sysupgrade

is best ever way to upgrade firmware. For this to work you must be connected to Carambola

terminal. It does not matter using Serial, LAN ir Wireless connection.

mtd

method is similar to sysupgrade. Use any one you like.

Serial connection only

Using

serial

cable is most dangerous one. There many things that can go wrong. Ensure you have good serial

cable (cheaper usb-serial adapters don't work), rock solid power supply and steel nerves :)

TFTP

method to upgrade firmware requires you serial connection to Carambola and configured TFTP server

over LAN. Wireless connection does not work.

Upgrading bootloader

If for some reason you have older bootloader and wish to upgrade, you must proceed here. It is even more

dangerous than upgrading firmware using serial connection only. If something fails, there are big chances you

render your module useless.

Web interface / LUCI

This method is recommended for novices. Connect Carambola web interface, browse for firmware upgrade,

select file and press upgrade.

Terminal programs for various OS, settings and usage examples

terminals

Carambola2 automated flashing (linux version)

Pyton based flash utility for Carambola2