LG Quantum

AKA: LG C900, LG Optimus Quantum

Available at: Bell, SaskTel

6.5/10 AVG.
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It proves itself to be a decent offering as it accentuates all the core aspects that Windows Phone 7 radiates.

- John Velasco , PhoneArena 

Specs summary


The LG Quantum's screen is 3.5 inches with 480 x 800 pixels resolution.


There is a Qualcomm Snapdragon QSD8250 1 GHz processor (CPU).


The phone runs on the Windows Phone 7 (Update Available: 7.10.8773.98) operating system (OS).

5+ MP
You can take photos or capture video with the phone's onboard 5+ megapixel camera. There's no secondary front camera.
16 GB

Internal memory is 16 GB. No external card slot is available for expansion.


The phone is powered by a 1500 mAh Lithium-Ion (Li-Ion) battery. LG's performance ratings are 14.5 days standby time, 360 minutes talk time.

Prices (Where to Buy)


Manuals / User Guides
Helpful Links
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Visit the LG Quantum Q&A Forum to ask the community a question or help others.

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Reviews (6.5/10 Avg. rating)

This cellular device includes several additional features that make it even more multimedia friendly

from Top Ten Reviews (4 years ago)

The LG Quantum represents a big leap in the right direction for Windows. Aside from its few drawbacks such as its short battery life, large size and lack of memory expansion, this cellular device makes multitasking simple and listening to music enjoyable. Plus, if you don't like using a touchscreen... More


A well rounded experience that offers the additional convenience factor of a physical keyboard

from PhoneArena (5 years ago)

If you really despise using touch-only input options, then the selection for Windows Phone 7 devices on AT&T's lineup is primarily limited to the LG Quantum, for right now. However, the inconsistent experience with the platform not being optimized for landscape use can be a hindrance for some. S... More


It's as solid a smartphone as any on the market, though it's not a quantum leap forward

from Phone Scoop (5 years ago)

The LG Quantum combines mostly good hardware with a solid smartphone operating system. Though it still looks a bit too much like a feature phone for my tastes, I am sure many people won't look at it that way. The Quantum is heavy and dense, but offers a roomy QWERTY keyboard for messaging and a... More

Love the cellular but it is lacking......

(4 years ago)

I absolutely love the phone but it is lacking some of the features I look for in a cellular. First of all it is not able to send videos via text, email or anyway at all. I am very disappointed in this lacking ability for a "Smartphone"! Second of all, the apps suck compared to an Android cellular. W... More


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