remove  blocks & chainstate

download part 1, part 2 from :
https://github.com/iobond/aib/releases

then :
cat aib-block-2211080.tar.gz.xz.00? > aib-block-2211080.tar.gz.xz
xz -d aib-block-2211080.tar.gz.xz
tar xf aib-block-2211080.tar.gz

config aib.conf :

connect = 104.238.153.71:31415
then start aibd

after on the right chain then could remove the connect if necessary.