I have a Sony Xperia SP and it runs Android 4.1. Sony have released Android 4.3 for it back in February but when I check on the phone for updates there is none available.
Checked with Sony and they say its down to the network provider when its made available. I am with O2 although the phone is not locked to any network.
How do phone software updates work? How can I get APP updates constantly but phone software updates come through the network provider?
If I discovered that the update was available through another network, could I just borrow a Sim of theirs, put in phone, do update and then put my SIM back in?
Not really particularly desperate as such to get this update, more curious as to how the whole update / network provider thing works?
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