ItÂ’s a pathetic phone, not at all friendly, even if you tried to download some apps from trizen store it takes hell lot of time and most of the apps are not even available in the phone.
Highly disappointedÂ…. 
Guise pls donÂ’t buy this phone, mark my word you will be very disappointed.
Total Waste of Money, Someone wants to buys this. The problems (Just one month Old) i am facing are
1) Power Issue:
If Phone drains and switch off, it will not charge again. You have to try multiple times removing battery.
2) Wifi Issue:
a) After sleep and wake up, the wifi will not comeback. We have to disable and enable wifi again manually.
b) Even Wifi is off, sometimes, the Wifi is on itself.
In short Wifi is not in the user control
3) Call Drop:
My roommate phone can work well with the same Airtel Network, But with Z3 Life sucks
If you are travelling, I think while switching the tower, Call is dropping almost always.
If you are in emergency, DO NOT Try this phone.
4) Browser & internet:
a) Browser, Never ever works Properly. Its just for show case.
b) Data Network does not work well as well (even in apps), we have to disconnect and connect it again, even while working.
Sometimes, In the idle screen, it will just show Widget Loading, But it will not load until reboot.
6) Auto Close:
Very often, none of the applications (Just inbuild applications such as Gallery/Asphalt Nitro/Camera/Music/etc.,) opens, it will close automatically. It can be observed, even after just power on and only 3 GB is filled in internal memory.
7) Pathetic Performance:
There is no Applications at all, still this phone is hanging/ If you open Contact/other apps, opens very late.
8) Applications (Whatsapp/FB)
If you receive long message in a whatsapp group, it will hang.
FB does not download.
Ola, I could never book the cab for emergency.
The auto prediction is very bad, at certain times, you can not input the words you want. You message will always be wrongly interpreted.
(But, the Samsung's Other Android phone's prediction is awesome. Its wonder, Samsung can not provide a good thing from its other model.. :( )
No good Apps.
11) UI look and feel is not attractive, a decade old design.
12) Contact and call are not user friendly. In other Samsung phones its swipe to call. Here just touch to call. The problem is, if you are just scrolling or just picking the phone, It calls the person (If contacts/call log is open)
Good About this phone:
Its awesome, the shutter speed is very good. Quality of picture is also good.
You guys just need to update your device and everything will work !!
I am also using samsung z3 problem main problem is facbook page cannot download quickly.
I purchased this mobile last month, But most of the application is not supporting mainly whatsapp application is not supporting and youtube video not able to download..
But only thing phone looking gud.
I like tizen os .from Samsung mobile. Small price to get more fun. Ram its good. Processing must better than other phone. Camera to owesum. Thanks so much.
I am not satisfy with this phone two major seen problems what sap profile picture not downloaded & Facebook photos not downloaded i am very unhappy with this mobile
I purchase z3 and i need call recorder, mx player, shareit , sbifreedom , photo edittor. Vlcplayer,Please help me ...............
In Samsung Z3, Whatsapp is not yet updated.Unable to call through Whatsapp. Unable to download Share It App. I hope to see those updates soon in Samsung Z3.
Anonymous, 04 Dec 2015This phone and it's Tizen Os is experimental and just started to breath, there is no enogh app... moreDo you even know Tizen? It is the fourth largest mobile platform in the world now. Bigger than BB OS. Abandon support from other company? What support? Other company never support it in the beginning anyway. It's a Tizen smartphone. An in-house device by Samsung. No need for support from outside company like Google or whatsoever. There is already three Z series from Samsung and two Tizen smartwatches. Samsung Z, Samsung Z1 and Samsung Z3. Samsung Gear S and Gear S2. The app store is admittedly small. It is very new. The first Tizen was released only late last year. Android and IOS didn't grow in a year either. It took android over 8 years to become as big as it is now. Remember the first android smartphone, HTC Dream? That didn't go well either. Everybody thought it will flop. Look at where android stands now.
AnonD-474125, 08 Dec 2015You can always download a call recording app!Call recorder is there for z3 or
Please help me
I want to purchase z3 and i need call recorder