Main Repair Questions Factory-like XZ1 Compact battery replacement

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  • #11301
    antoniu200
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      Hi, everyone! New to the forum.

      I am using this Sony Xperia XZ1 Compact from July 2018, no repairs done on it until December of 2021 when I wanted a new battery. Sent it to a shop that promised original battery (they are working with ASWO), received it from them with a battery lasting less than the 3.5 year-old one.
      Couple of weeks ago, phone’s screen separated from the body in a corner. I thought the replacement battery inside had swollen and was pushing the screen, so I went personally to the shop and showed them the phone for a warranty repair. They said the repair might take up to 15 days. I was never notified of any progress in the repair process, so I came back to them after 13 days. When I came into their shop, they gave me the phone with the screen-body bezels bulging of T7000 glue, more such glue spread around the whole phone and a screen that is ununiformly and too deeply glued to the body. They also gave me the box for the new battery they had bought.

      So I called another shop to find out if the battery was actually original (U50066922) and they confirmed it was, while the part number I was seeing around the Internet (U50047051) was directing them to an older revision of the same battery that is not being produced anymore. My supposition here is that the original battery (U50047051) was produced as long as the phone was, but after the phone production was halted, a cheaper revision was made (U50066922) with less capacity: 2200 mAh, instead of 2700 mAh of the original. I am consistently measuring 2200 mAh for both replacement batteries in both AccuBattery and in Xperia’s Service menu.
      Mind you, both of these apps were measuring very close to 2700, if not more, when the phone was brand new. Similar things happening here: https://forum.xda-developers.com/t/haldis-benchmark-thread-for-testing-fiddling-with-the-xperia-xz2.3798999/#post-83876465

      They also mentioned, I cite: “Sony adhesives are usually very thin and should only be used in optimal mediums: rooms with everyone wearing gloves, phones be fully cleaned, everything around as clean as possible. Otherwise, they won’t hold, these are 1mm adhesives. Not too few times we bought new, original adhesives from ASWO and had the screen get detached almost immediately”.

      What solutions do you guys propose for these issues?
      Regarding the battery, I found some Cellonic aftermarket ones in Germany, but they unfortunately don’t deliver outside of the country. Absolutely any advice here would greatly help.
      I saw B7000 on this website, but I have no idea whether or not that is water and heat (up to 100 C) resistant. It also might not solve the screen height issue. Maybe an E8000 might be useful?

      EDIT: My post may not be clear: I know how to open the phone up, but that won’t be neccessary. What I am asking for is what products might meet my expectations and how would I use them (in the case of an adhesive)?

      • This topic was modified 1 month, 2 weeks ago by antoniu200.
      • This topic was modified 1 month, 2 weeks ago by antoniu200.
      • This topic was modified 1 month, 1 week ago by antoniu200.
      #13106
      antoniu200
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        Bump, I probably created the thread in the wrong subforum.

        Also, an update: I think I figured out how to properly glue the screen. This video: https://youtu.be/LwtMCpJ9BzA?list=LL and the original Water Resistant adhesive from Sony, which can be acquired without a problem.

        #13428
        NorthridgeFix
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          I can’t help you on the battery part. If you need an original battery, The only reliable source would be to Buy it directly from Sony if they can sell you one, otherwise you have to accept whatever you can get your hands on regardless if it’s a 2200 or 2700 capacity. B7000 is the way to go. You can make it as thin or thick as you want. Try not to be too picky or too paranoid. Adhesive will never be like factory and water sealing is almost always not guaranteed.

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