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Screen

The Discover has a 4.8-inch display with 1280 x 720 pixels (HD). This LCD panel is sharp, bright, and colorful. Text is nice and crisp, pictures look rich, and the graphics and icons are completely free of jagged edges. It works well when used outdoors, and I had no trouble snapping some photos under a partly cloudy sky.

Signal

The Discover performed well on AT&T's HSPA+ and LTE networks. It switched seamlessly between the two when appropriate, and always found AT&T's signal no matter what I took it. During my review period, the Discover did not drop any calls, nor miss any, and it connected all calls on the first dial. Data speeds were good on both HSPA+ and LTE, though of course performance was faster across LTE. The Discover's radio works well.

Sound

I got slightly mixed results with the Discover's phone functions. The quality of calls themselves is only so-so. About half the calls I made were fine, and the other half had some sort of interference, noise, or echoes. This inconsistency was spread around different testing areas, with different network connections. The volume of both the earpiece and the speakerphone, however, is incredible. Whatever amplification mojo Pentech sprinkled behind the earpiece and speaker grills works very well. The earpiece is loud enough to be heard pretty much almost anywhere. The same goes for the speakerphone. It's worth pointing out that the quality of calls sent to the speakerphone is not as good as through the earpiece. Alerts and ringtones can be heard throughout your house, apartment, or office, no problem. The vibrate alert is good and strong.

Battery

There's no need to worry about battery life with the Discover. In my tests, it handily beat my minimum 7AM - 11PM requirement. Heavy use did not appear to stress the 2100mAh Lithium-Ion power cell, even when surfing on AT&T's LTE 4G signal. You will have to charge the phone each night, however (or at least once daily). It would often call it quits if left unplugged for more than 24 hours.

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