Now I've had my 630 for a few more days I can make a better comment on the battery life. Using it non stop, I get 12 hours out of it. Which compares to 8 hours out of my iPhone 5. But the comment on GSMArena about standby battery use being high is true. I hope a later firmware update sorts this out. But regardless, it lasts longer than a 520 or 620 and can only get better.
The screen is leaps and bounds better than the one on the 520, better than the 625, and the 620 only has better sunlight visibility because of the greasy finger mark issue.
For a low end cheap Lumia, you have four choices right now, 520, 620, 625, 630. The first two just don't have the battery life. The 625 has great battery life, has LTE that none of the rest do, but it's not as comfortable to hold as the 630 and then there's that dreadful screen. And the 630 is noticeably faster than all of them.
The one thing that does p*** me off is the lack of a light sensor, which seems taking the cost savings drive a little too far.
So yeah, it's not perfect, but it's more than usable, and that review was seriously harsh.
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