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doc:howto:generic.uninstall
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Back to original firmware
There is little point in merely uninstalling OpenWrt, what you actually want to do, is to replace OpenWrt with the original firmware. You are probably here because the wiki-page for your device does not help you with that. So, first have a look at the .
To replace OpenWrt with the original firmware, you most probably do not have to change the boot partition, or the partition containing specific information like NVRAM or ART, even if you overwrote the bootloader when you installed OpenWrt on your device.
via OpenWrt CLI
You can use the program
wget http://www.example.org/original_firmware.bin
mtd -r write /tmp/original_firmware.bin firmware
If you want to remove DD-WRT, you should write to the device &linux& instead of &firmware&. (Tested on TP-Link TL-WR841ND V7):
mtd -r write /tmp/original_firmware.bin linux
OpenWrt has no built-in &pleasantries& to prevent you from going back to original firmware. But sometimes you need to be careful, see e.g. .
If you get a error message on the above mtd command like &no valid command given& you are using an old version of mtd which doesn't support the -r or -e parameters.
Download a newer statically compiled version
wget http://www.freewrt.org/downloads/tools/mtd-static
chmod a+x mtd.static
wget http://www.example.org/original.trx
./mtd.static -e linux -r write original.trx linux
thread section 2 also. It describes when you should use the openwrt-brcm-2.4-squashfs.trx image.
Only flash a trx, never flash a bin file?
If you only have a Linksys .bin firmware file, this is not a problem, simply cut off 32 bytes of the header by using the commands below:
dd bs=32 skip=1 if=original.bin of=original.trx
for more info about .bin to .trx.
TIP: If your replacement firmware has a web interface, remember to flush your browser cache, sessions etc. This will avoid misleading 404 errors.
via OpenWrt WebUI
via Booloader
To flash the original firmware back again via the bootloader, please follow the procedures already described in . They are basically the same.
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