3.4

Basic Functionality doesn't work.
Yes Basic functionality means calling someone and hangup the call once you are done.
but it is not so easy with this shit, In detail once i start the call I am not able to cut the call, Call will be continued until the person I am talking with cut the call.

used for 2.5years. Initially feels great but later on lots of issues.battery drainage, colour removal, overheating, lagging while playing even temple run or subway surfers.

i early used galaxy s GT I9003 LED its good in screen quality ,Wifi speed , Downloading speed
but in this
wifi speed is low
Every Video plays in a vibrant colour(high saturation) it looks horrible & we cant adjust the saturation.
camera quality is less than a chinees phone of RS 3000/-
Nokia N73(3.2mpx) takes more quality pictures than this one.
Guys Galaxy series are good but only Buy LED phones..

The phone is not worth buying at the price it is asking for.

Pro:
1. The overall look is OK and it looks like Typical Samsung mobile device.
2. It has dual sim for both active even while call option. have not tried but seems good.
3. The phone does not feel bulky or heavy.
4. A good flash light and does not get heated up too much while using as torch.


Cons:
1. The speaker of the phone is of literally, cheap quality.
2. Battery just goes down like u never charged it. Simply a useless batter...

The speaker output is not that good. It is almost normal I can say. You still can hear the external sounds even when you on ear phones.

I am using this phone from last 18 days. I purchased it for 17000 and now it is available for just 15000. This is a big problem with Samsung. The company decreases the mobiles price time by time. And 2000 Rs. difference in just 15 days is a big thing. Now some cons and pros. of this mobile are -

CONS -

1. No IPS, No Amoled, just simple LCD display, because of it screen does not visible in sunlight.
2. No automatic brightness sensor.
3. Processor is Quad Core A5 but even normal games like Te...

I landed up to Quattro after my S3 was stolen 2 months ago. Didn't think much before buying and picked this up. I liked Grand Duos features (except huge screen), so I took this.
I'll try to keep the review short and useful.

Cons First:
1) Cant play 1080p Videos (hangs a lot). So, You cant simply copy HD Videos from your PC and throw at it. Videos upto 720p were fine.
2) Camera is not great but ok ok. Your job will be done. Dont expect wonders.
3) USB OTG is not supported. May have to root fo...

Well I bought this phone for 15.3k for my dad but eventually am using it myself for the last 3 months since he is averse to use such a big phone. Now, lets gets straight to point.

Pros-
Big display looks good, even though its TFT.
Quad core performance is good
Doesn't heat up at all even with sustained game play or HD movie play

Cons
Wireless reach is not very good
Battery is decent but for such a big phone should have been better
Speaker quality should have been better
Camera is just about...

I have been using this phone for the last 1 month, overall the phone is good, there are pros and cons.. many have highlighted them,, so key points are

cons: a) 1.2 ghz cortex A-5 quad core is good but not super good... it does give a great performance but most other phones are using a cortex A-9 dual core or even a cortex A-7 quad core or a 1ghz dual krait.. while comparing you don't get a huge advantage in processing.. they almost match up or the latter are sometimes better.
b) a adreno 203...

I have been using Quattro since last 2.5 years. Hardly hanged couple of times so far. I am happy with this mobile it is still working, and even if I want a new one this one is not giving up.

Problem: Samsung abandon low end mobiles, no upgrades at all.
Stock charger is problematic. I ended up using different Mobile's charger.