Default openwrt trunk compiled by the size of 8M flash, but our hands the size of the board may flash larger paper MT7620a example, its size is determined by flash 8M to 16M or 32M modification
Increase dts files
Path is `openwrt / target / linux / ramips / dts /
In which the increase MT7620a_16M.dts and MT7620a_32M.dts files, download address Baidu cloud.
Dts modify the Makefile file
Path openwrt / target / linux / ramips / image / Makefile
Which will replace the Makefile Baidu cloud files with the same name.
After compiling again, bin file path is openwrt / bin / ramips, file name openwrt-ramips-mt7620a-mt7620a_16M-squashfs-sysupgrade.bin and openwrt-ramips-mt7620a-mt7620a_32M-squashfs-sysupgrade.bin