According to GSMArena the D838 has 1800 and 2600. I haven't tried the 4G speeds yet (only just switched to a 4G SIM today) but the coverage and 3G speeds have been pretty good. I've yet to lose signal completely.
You are losing signal easier than with an USA allowed Smartphone?
SMS andHangouts messages likely won’t ever replace traditional Emails for more formal … more
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