Samsung needs to have solid release dates too if it wants to ward people from committing to the HTC One. And hopefully sooner than later. Doesn't hurt to get a head start on Apple, too, especially if the rumored June/July iPhone 5S release schedule is true.
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Again:
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I've owned the S2, S2 Skyrocket, and S3.
The major differences between the S2 and S3 are faster internals, larger screen, different construction, better battery life, and newer software. This is almost identical to the 4S -> 5 progression with a new design, new internals, larger screen, etc. Yet the S3 is hailed as the best thing since sliced bread, but the iPhone5 gets trashed for being "boring"
Again:
Okay. No.
(The following is directed at everyone else who's insinuating the same thing, too).
There's a reason why people respond to Samsung's [if true] minor S3-to-S4 upgrade differently than they do to Apple's upgrades.
Samsung's smartphone lineup is so much more versatile than Apple's. Samsung has a wide range of phones to cover different sizes and price levels, many of them are current generation, and offer different experiences but still remain smartphones.
With Apple, there is only one screen size that is of current generation. The smaller option is over a year old, and there's no larger screen size at all.
Also, just taking their phones at face value, the S3 offers so much more packed into it than the iPhone 5 -- in other words, it truly is hard for Samsung to introduce many hardware changes (and again, they have other lineups to cover other ground in the smartphone world). Apple, on the other hand, intentionally withholds hardware changes (they don't believe wireless charging is worth it, nor in screen size options, nor NFC, nor notification lights, nor expandable memory, etc.).
Likewise, Samsung doesn't recycle their design for two years, as Apple has been doing, and will likely continue to do with the 5S.
So, is the S3-to-S4 upgrade small? Sure -- as small as the 4S-to-5 upgrade, if you want to really compare. But does Samsung take two years to do it? No.
TL;DR: No one is giving Samsung a free pass. Samsung just has their bases more covered.
*DISCLAIMER: I don't own a single Samsung product (no smartphone, phablet, tablet, TV, or fridge). Just pointing out that it is not even playing fields when it comes to people's response to Samsung vs people's response to Apple.