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I currently own a xperia z3 that has malfunctioned(the speaker has stopped working with no sign of liquid intrusion). Before I called support I saved My files and did a factory reset to the phone. I have spent most of the last week in contact with sonymobile support in the USA and Hong Kong(the apparent source of My international phones warranty) only to find out that "Due to Amazon is not on our authorized retailer list, your phone was not Hong Kong official goods." - Jenny Fan. So the largest retailer in the world(amazon.com) has sold Me what Sony considers a "grey-market/out-of-warranty phone" and is not an authorized retailer of Sony products although they appear to be so for millions of Sony products on their website(isn't that interesting?) My experience with Sony support has been futile and appears to have ended with a form-letter that begins "Hello!, Thank you for contacting Sony Xperia. We hope your inquiry resolved best to your satisfaction." whereas, nothing has been resolved, in fact, I have just gotten the run-around for five days. Sonys 'superb' support included "We are so sorry to inform you that we cannot comprehend your problem due to the limited information via the email. If you still want to solve this problem, please send an email in English to us again..." - Jenny Fan, in response to an email with a reference number in the subject line. The aforementioned form-letter included a link for more support that led Me back to square one, i.e., sonymobile.com/contact-us; so, I decided to check out the forums(hadn't been there, yet!) and after a cursory search of "amazon warranty" I find postings going back at least three years of people with the same/similar issues. I bought a Sony because I believed I was getting top-quality goods and services from a top-quality, world-wide manufacturer, I bought from Amazon because of a perception of the largest retailer in the world being a reputable one; I made this purchase only to end up with a broken "grey-market/out-of-warranty phone"(something I would never knowingly purchase) that gets Me the run-around when I attempt to get it serviced.
I understand your frustration but this is on Amazon, not Sony, if you buy a Sony product here in the US and you want Sony's warranty, you have to buy it through them and/or an official retailer, such as Bestbuy to give you an idea, it seems that you were perhaps mislead by Amazon that there was no manufacturing warranty on your phone.
Thank you kindly for your responses, Amazon has a 90-day return policy not a 1-year manufacturer warranty, My phone broke at eleven months after purchase. It is My understanding that a manufacturer warranty is covered by the manufacturer not the retailer. If Amazon is selling Sony products as though they are an authorized retailer that sounds like Sonys problem not Mine. During My contact with Sony local support "in" the USA they made it very clear that My phone was under warranty it just happened to be in Hong Kong(and according to the website: Warranty to: 22/05/2016) and that I could contact the seller on Amazon(which I did to no avail) to obtain service upon My phone in Hong Kong because their service company in the USA just stopped accepting international phones for service. I have now contacted Amazon and am awaiting a response.
Having resided in the USA My entire life, I have always understood a 'contract' with a retailer to last as long as Their return policy(typically 30-90 days) however, a manufacturer MUST provide a minimum of one year free from defects(which puts it on Sony for the remaining one-year post Amazons 90-day return policy.) Having signed up on these forums, I have decided to search them for "speaker" and I get 2000 results of people with problems similar/same as Mine(I suspect that's the max results returned and there's a LOT more posts on this issue.) I have also found from reading some of these posts that this is an issue with the speakers being poorly soldered. Sounds to Me as though this is an issue with quality control on the manufacturing line and that this IS on Sony and not Amazon. It appears to Me that Amazon has been selling Sony products in Sonys name for years with Sony looking the other way, still sounds like Sonys issue and not Mine. Regardless of all that, Amazon has decided to refund Me and give me the xperience I was expecting from Sony and Sony has given Me the support experience I would expect from a "gray-market" retailer. So, sorry Sony, the Kudos go to Amazon.