I switched from the Xperia X to the X10 III, mainly because I wanted a device with a bit more RAM and CPU. I had the original Jolla and the Intex Aquafish with flashed Firmware from Jolla C before.
The Xperia X10 III seems to be the device with biggest issues after a switch for me so far (Although I may have forgotten about a few problems I had with other devices in the past).
My main problem is Random audio drops on wired headphones - plays from top speaker instead. This forces me to reboot the device on a more or less regular schedule.
Other slightly annoying issue is that I sometimes hear no dial tone on outgoing calls. Just silence, until the other person picks up.
As X 10 III is 64bit, some older apps were not available when I started to use it. Luckily, many of them have been taken over by other developers by now, so this is no longer an issue for me.
Other than that, I see no big problems, my connection with sunrise is fine, GPS works, performance is ok, can’t tell about android support, as I don’t use it.
The question is of course, what other devices other than the X 10 III are readily available on the market. If you want VoLTE, you need to pick at least the X 10 II. If you want a lot more power than what Xperia X provides, X 10 III is a real step up over all other devices, based on benchmarks.
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