Hey Man, may I ask you a question. I come from HTC where I was able to make a EXT4 partition on sd and use that as internal storage for data apps or move them to SD only. My first idea was to sacrifice the internal 16gb storage, format my 64gb card and use that as internal storage instead of 16gb. I know out there still some good application which help in this way but to me it not sound the same. As you are a Developer do you think something like that will be possible on our Z1? It's your Rom addressed in this way?
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My Evolution: Sony Xperia Z1 - UB + 4.3 Rooted + Deodexed, HTC HD2, HTC Diamond 2, HTC HD Blackstone, Nokia 7070 Prism, Qtek 9100, Nokia 3100, Motorola T720i, Nokia 3310, Sony Ericson PF 768 (Blue)
How Get Root on Sony Xperia Z1 with Locked Bootloader and the Latest Android 4.4