When Sony introduced the original Xperia Z smartphone to the world, it also introduced a manufacturing and philosophical shift in its flagship smartphone strategy: to have a six-month cycle for its Z series of flagship Android smartphones. As a result, since the Xperia Z debuted at CES 2013, we’ve now got four Z-series smartphones in under two years: the Z, Z1, Z2 and now the Xperia Z3.
The company’s faced some pretty harsh criticism over this move, as many consumers feel that they are being short-changed for buying a premium smartphone that’s only going to be a flagship for six months. But since using both the Xperia Z2 and the Z3 almost back-to-back, I’m beginning to see some semblance of logic in Sony’s apparent madness.
Ubsacc2004's Blog 
From my point of view, there are many smartphones with good specifications.
In Malaysia, i prefer to go for the Brands like Xiaomi, Honor & then Asus.
Although Honor & Xiaomi are slowly ruling the Market with good smartphones.
Thank You
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