Got an email of the following deal. Didn't sound too bad to me, especially being a 'free' phone.
Might be useful to someone who can't pay up front for a sim free phone.
No messing with cashback.
Potential £30 cashback on TopCashBack (and Quidco - thanks to airliefrost who pointed that out).
Samsung Galaxy S7 32GB Black (Brand new)
+ Unlimited Minutes
+ Unlimited Texts
+ 4GB Data (was 1 GB)
+ 24 Month Finance