Fi is offering 50% back in Fi Credit when you buy an S21, S21+ or S21 Ultra as a new Fi customer.
For existing customers who upgrade will get up to $400 in Fi credit.
S21 $799.99 50% or $300 back
S21+ $999.99 50% or $400 back
S21 Ultra $1199.99 50% or $400 back
Number transfer and 90 day service required
https://fi.google.com/about/promo…-pre-order