Does anyone know if the dealer subsidy is the altered for t-mobile
freetime 750 if the user transferes to the Mixit varient?

Essentially I got a new contract from OneStopPhoneShop on this tariff,
just to get the free phone, and thought I may as well use the sim in
an old handset to get free off-peak calls to landlines and t-mobiles,
just around the house.

Switching to Mixit saves the problem of inadvertantly calling non
t-mobiles, or using it at 5.35 rather than 6.00pm and racking up a 10
quid call, as I simply wont put any credit on it.

However I understand that my five months cashback may be in jeopardy
if I change tarrif that effects OSPS subsidy from T-mobile. Obviously
I tried asking the tubbies at both T and OSPS but got nowhere.

So, any dealers out there know if Mixit changes the subsidy?

Thanks in advance, Jake