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So a bit of a weird one here. About a year ago I bought a Sony Z3 from Vodafone on a pay as you go deal as it was on offer. I bought an unlock code off eBay and and put my Three sim in and everything was good. Fast forward 10 months and Marshmallow comes out and I flash the generic Sony firmware on to remove the Vodafone branding and everything is still fine.
A few month later and the phone developed a hardware fault and I sent it back to Sony for repairs, however it's now come back locked to Vodafone with Vodafone firmware on it.
I hadn't realised phones could actually be rolled back that far!
So can I reuse my old unlock code (assuming I can find it) or flash a non-branded firmware onto it again? I assume a reflash wouldn't unlock it from Vodafone. As the phone is over a year old would Vodafone give me the unlock code? I was never on contract and I never bought a top other than the one you had to buy with the hardware.
I really don't want to purchase an unlock code again if I can avoid it.
A few month later and the phone developed a hardware fault and I sent it back to Sony for repairs, however it's now come back locked to Vodafone with Vodafone firmware on it.
I hadn't realised phones could actually be rolled back that far!
So can I reuse my old unlock code (assuming I can find it) or flash a non-branded firmware onto it again? I assume a reflash wouldn't unlock it from Vodafone. As the phone is over a year old would Vodafone give me the unlock code? I was never on contract and I never bought a top other than the one you had to buy with the hardware.
I really don't want to purchase an unlock code again if I can avoid it.