QUOTE(PeaceOfMind @ Aug 4 2013, 10:22 PM)
Hi all s4 sifu, before i buy s4, mind me to ask some questions?
1. is there any problem ? like GPS lock issue, connectivity, lag/hang, easily heat up, etc...
2. the s4 LTE version, the quad core version, enough for a heavy user? because i prefer to have 4G ready and i am a heavy user.
3. should i buy it now, or wait until note 3 out? because i assume s4 price will drop abit hahaha, just want to save money

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Thanks in advance for any idea/good advice.

depends on you, more phones are coming this Q3~q4 2013 like nexus5? iphone5s,5c? or iphone 6?, note 3, new htc one maxx (dunno name LOL). for me, i bought my s4 on the 2nd week of its official launch as my htc one s had gone crazy haha
for your questions
1 - always check before you pay for your device, and theres always custom rom to tweak your s4
2 - 4G ? better get 2gb~3gb data plan or its not worth it
3 - in the end, its all up to you, like most our sifus said, there are no perfect phones in the world, theres only perfect phone JUST FOR YOU.