Dsl-2790u Firmware Update

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Mariela Coxon

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Aug 4, 2024, 4:57:05 PM8/4/24

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1This device does not have sufficient resources (flash and/or RAM) to provide secure and reliable operation.

This means that even setting a password or changing simple network settings might not be possible any more, rendering the device effectively useless. See OpenWrt on 4/32 devices what you can do now.

DSL will not work at all on devices with BCM63xx DSL chipset (due to unavailability of FLOSS driver for Broadcom chips). Consider this when choosing a device to buy, or when deciding to flash OpenWrt on your device because it is listed as supported.

See Broadcom DSL, Unsupported: DSL modem and Broadcom BCM63xx for details.

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