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As Sony is lacking in marketing, also there are few bugs that are very common in Sony Mobiles.
I think marketing may be one of the reasons.
I don't know about other countries but when it comes to India.
Apple and Samsung invests a lot in Marketing-TV, Radio, Google Ads, Newspapers, Flyers, banners etc.,
If you don't create enough awareness of your product then the product wouldn't be popular.
I would say it's all about your choice. They are all good in there styles.