I like my Samsung Galaxy s4 mini, which apparently is running Android 4.4.2 - there do seem to be quite a few factory installed apps, though you can "disable" them if you're willing to ignore the warning that some things might not work. Not tried transferring to Linux. Got it unlocked from giffgaff after Amazon sent me one with the seal broken which I returned! If I had a bit more money I'd have got the s5 mini instead. I don't want anything bigger as I too like to fit my phone in my pocket.
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