Z5 double guard falling mobile data signal

Purchased and received my Xperia Z5 Dual of a seller decently well known on Amazon a few days ago. After putting my SIM card, I got mobile signal (advocate and text), but no data, so I took it to T-mobile, and they got that running. Since then, my freqnently data falls to zero bars of signal, then comes back to the top in about a minute then drop again a minute later. The wifi signal seems to do that too, although it seems to be in bars full all the time in my house, when I play a mobile game, I can tell he falls signal when it is lagging on every few seconds.

Should I return it as broken and buy a new one? I am inclined to think that the question is not on the end of my career, because I had no signal with this SIM card problem in my last phone, a very old Moto X. My friend suggested it was probably a hardware problem (specifically, the faulty antenna Board), but I don't know a lot about hardware, so I don't know whether to take his suggestion at face value or not.

Hi anastvns,

Do you get the same results with WCDMA/GSM without selected LTE?

Tags: Sony Phones

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