Install OpenWRT Source from GIT:
rekomendasi pakai user biasa, jangan root
git clone https://github.com/openwrt/openwrt.git
cd openwrtgit
fetch --tags
git tag -l
git checkout v19.07.7
./scripts/feeds update -a
./scripts/feeds install -a
make menuconfig
make download -j4 V=sc 
make -j4 V=sc