Flash from default to source_routing resynchro?

Hi

i use CC2531_DEFAULT_20190608 and now i have more 30 devices i want to pass source_routing

After flach i must resynchro devices ?

Thanks

30 devices with 3 routers ( ikea repeater and 2 outlets ikea ) and CC2531 coordinator

I did not have to re-pair, except 2 ikea outlets that misbehaved.