If you cannot connect to the router via wireless or wired ports, you can reset the router with some of the settings restored.
1. Power on, waiting for a work light when the rest button is pressed immediately 2 seconds, and then began desperately flashing, very well now into the failsafe mode.
2. Set the computer's IP to static IP 192.168.1.x, and set the subnet mask (usually a bit autofill).
3. Connect the cable port of the router with a network cable.
4.telnet to Router, default IP is 192.168.1.1
5. If you just modify certain settings you can: (UCI this command is useful)
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After entering mount can see root is not to write, so also to unlock, first map the root disk
Mount_root
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Just use this command to forget your password
passwd
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Forgot the router IP with this reset
UCI get NETWORK.LAN.IPADDR
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JFFS2 partition installs too many packages too many software, you want to reset, with this will clear the entire jfss2 area of data, equivalent to restore factory settings. (This is a good thing is to restore the factory settings, the default erase after the completion of automatic restart).
Mtd-r Erase Rootfs_data
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Now that you have done what you want to do, just restart it.
Reboot-f
6. If you want to revert to the initial state of the system, then:
Disposable erase instructions.
Firstboot
After exiting Telnet, the system will turn off Telnet, turn on SSH, and restore success.
OpenWRT Restore factory Settings command