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8devices Community :: View topic - I need help recovering my Carambola 2.
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I need help recovering my Carambola 2.
https://www.8devices.com/community/viewtopic.php?f=13&t=831		 Page 1 of 1
Author:  dottedquad [ 24 Oct 2014, 07:11 ]
Post subject:  I need help recovering my Carambola 2.
I changed network settings in LuCi and managed to brick network access to the carambola2. I checked my router settings to see if the carambola2 is receiving an ip address which it is. I pointed my browser to 192.168.1.12 and I am not able to access LuCi. I even tried SSH into the carambola2 using the ip address explained before without success. So, I am now resorting to resetting the firmware as explained in the USB boot and recover section of the wiki without success. I though, maybe I am either not using the correct .bin file or I don't have the correct Uboot version.

These are the list of .bin files that I have:
openwrt-ar71xx-generic-carambola2-kernel.bin
openwrt-ar71xx-generic-carambola2-rootfs-squashfs.bin
openwrt-ar71xx-generic-carambola2-squashfs-sysupgrade.bin
openwrt-ar71xx-generic-uImage-gzip.bin
openwrt-ar71xx-generic-uImage-lzma.bin
openwrt-ar71xx-generic-vmlinux.bin

I renamed the openwrt-ar71xx-generic-carambola2-squashfs-sysupgrade.bin file to 8dev_uimage.bin. I then loaded the 8dev_uimage.bin onto a fat32 usb flash drive and etc....

Am I using the correct .bin file?
Author:  Giedrius [ 24 Oct 2014, 07:29 ]
Post subject:  Re: I need help recovering my Carambola 2.
Author:  dottedquad [ 24 Oct 2014, 17:11 ]
Post subject:  Re: I need help recovering my Carambola 2.
I did as you suggested and my version is U-Boot 1.1.4-g33f82657-dirty (Sep 16 2013 - 16:09:28). Which is good to know so now I can upgrade to v2.0. Also instead of firmware recovery, since I am connected to the Carambola 2 using Picocom and I am able to access the SSH like terminal using Picocom, is there a way to do a refresh of the network and config the network settings back to the factory settings? I not familiar with using the terminal to change network settings.

U-Boot 1.1.4-g33f82657-dirty (Sep 16 2013 - 16:09:28)

=====================================
CARAMBOLA2 v1.0 (AR9331) U-boot
http://www.8devices.com/
-------------------------------------
DRAM: 64 MB
Flash: 16 MB
Net: eth0, eth1
=====================================

***UPDATE***

I used the following commands to set the lan back dhcp:

uci set network.lan.proto=dhcp
uci commit network
ifup lan

I am now able to connect to LuCi :) now I need to update uboot.
Author:  Giedrius [ 24 Oct 2014, 21:19 ]
Post subject:  Re: I need help recovering my Carambola 2.
Author:  kajotsoft [ 29 Oct 2014, 21:17 ]
Post subject:  Re: I need help recovering my Carambola 2.
Hi

can you provide instructions how to upgrade UBoot to latest version? I have couple boards with old one - U-Boot 1.1.4 (Feb 8 2013 - 11:41:32) (and Today I break two of them so need some effort with serial and manual getting them back)
Author:  Giedrius [ 31 Oct 2014, 12:28 ]
Post subject:  Re: I need help recovering my Carambola 2.
Dear, kajotsoft

Why do you want to upgrade your bootloader? If anything goes wrong during bootloader update procedure, your device will be bricked (unusable) and will not be available for a replacement anymore. If you still want to take the risk I could provide you with the steps via a private message.
Author:  blackbee0045 [ 01 Nov 2014, 09:30 ]
Post subject:  Re: I need help recovering my Carambola 2.
I can upgrade to v2.0. Also instead of firmware recovery, since I am connected to the Carambola 2 using Picocom and I am able to access the SSH like terminal using Picocom, is there a way to do a refresh of the network and config the network settings back to the factory settings? I not familiar with using the terminal to change network settings.
Author:  Giedrius [ 01 Nov 2014, 11:10 ]
Post subject:  Re: I need help recovering my Carambola 2.
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