Keen to add my weight to this, as someone who uses the MHL on my Z3 compact all the time and really would like to get the same functionality from my (inevitably required) new phone. From what i can see we have Snapdragon 835/845 SoCs which support this natively. USB 3.1 over C-type connector in the XZ2/XZ2C - (only USB 2.0 in XZ1 so perhaps not possible?). Is this really just software? Don't you want to compete with Samsung DeX? Perhaps you could do a nice dock with power distribution and stick a 3.5mm headphone socket on it at the same time. Sell that at a good price and along with the rest you have a heck of a device. I'm not hopeful. Buried in the 'design decision' answer is the truth of why this feature doesn't work. Come clean Sony. How can this be a good choice?
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