Miracle or magic? In Poland, the Service Authorized Sony W-Support phone repairs after the "interference of water" by uploading new software. 12.2014 reported, Xperia Z, it hangs, warms and loses coverage - no fault found. After returning 01.2015 obviously has the same thing, so I reported the same fault and still be glimpsed what overlooked and exchanged the motherboard (only motherboard), have adhered old back cover etc. After a few days the phone steamed from the inside (moisture sensors were white) and the phone began to lose again coverage, service turns out badly sealed the phone by inserting the old cover on the back of the phone. So I sent to the site 02.2015, service received any software because they lose coverage and listed the back cover, for steaming on the inside and it kind enough to repair the phone in which interfered liquid? :). As you might guess after returning from service phone started going out of range again, because this is the interference effect of the liquid from the guilt badly sealed by the phone service, so he went to them in 03.2015 with this fault, and what was done to losing coverage after the "interference of water" ? - Loaded a software :). The only institution supervising the work of the service in a given country is a manufacturer SONY ELECTRONICS, so I volunteered to them for help, for the first time made it clear that they do not see anything strange in that loaded a software to fix the phone after the "interference liquid", but if there is a problem after repair I have to call them again. 3 days after the repair again, the phone started going out of range, so after contact with SONY learned that did not help the suggestion to send the phone back to the site in-SUPPORT. So I went there again and wait.
To sum up, my dears, It is better not to buy in Poland waterproof SONY, because not only did not fix the phone, in addition to damage and damage the waterproof, and SONY ELECTRONICS it gives them permission, because they have nothing to say after that, "the if there is a fault in the phone then you need to send to the service (W-Support) ". Even with such an obvious error technique nobody feels responsible. So if you have a Sony Xperia phones after the "interference of water", I invite you to Poland (W-Support), according to the service and SONY ELECTRONICS should help to failures occurring after the "interference of water." 
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