I spoken to them, for me my upgrade date is the 1st Jan 2022. If you want to upgrade before the year then it's £100. I asked what the fee was if I didn't send my 12 Pro Max back, which is £550. Locked in £740 from MM. So I'll be up about £90. Once I pay the £550 plus the £100 for early upgrade.Anyone on EE annual upgrade, I’ve messaged EE to make sure we can upgrade in September since last years iPhones were delayed and we could only upgrade in November. So I don’t think we should be charged if we upgrade before November.
I’ll let you know when I find out