DO IT AT YOUR OWN RISK!
What is u-boot?
U-boot is a universal boot loader which starts when you plug in the power cable. It runs itself to check the board and make some initial configuration. After feeling everything’s right, it loads the main OS and start the system. More information can be found at: http://wiki.openwrt.org/doc/techref/bootloader/uboot
Which u-boot to install?
Continue reading Install web failsafe u-boot for WR703N