![]() ![]() It is very flexible and pleasant to the touch, perfectly absorbs shocks and keeps its beautiful berry color for a long time. 3mk The Matt Case blueberry is made of thermoplastic polyurethane (TPU). It not only effectively protects your phone when dropped, but also turns it into a stylish accessory. The blueberry matte smartphone case proves how quality and design form a harmonious duo. Practical - resistant even to alcohol-based productsģmk Matt Case blueberry is a protective case with a unique dark blue color and a trendy and practical matte finish. Resistant - drop tested (Absorber125™ class) NFC also plays nice with some cool accessories - like the JBL PowerUp speaker that automatically starts playing when you place the Lumia 640 XL on it.3mk Matt Case blueberry- Reliable and stylish case - dark blue matteĭesigner - turns your smartphone into a super fashion accessory Sending a picture to a Samsung phone, for instance, wasn't a problem and the same goes for web pages. NFC is still useful for file sharing and it works across other platforms with NFC support. Unfortunately, we won't know whether that has any potential to expand beyond its out-of-the-box functionality for at least a few more months. The Wallet app also uses NFC connectivity. In terms of local connectivity, it offers dual-band Wi-Fi a/b/g/n with DLNA and Wi-Fi Hotspot, and stereo Bluetooth 4.0, with file transfer support. You can also opt for an LTE-enabled version, as well as LTE Dual SIM model. ![]() The Dual SIM model, as ours, supports dual standby. The Lumia 640 XL has quad-band GSM/GPRS/EDGE support and quad-band 3G with HSDPA. Our battery testing procedure is described in detail in case you want to learn more about it. Our routine also includes a standby battery draw test, which is not featured in our battery test scorecard but is calculated in the total endurance rating. We also did our standby test with just one SIM card active, but oddly we found there is no change in the standby endurance and thus in the total endurance rating. The Lumia 640 XL Dual SIM managed an overall rating of 74 hours, which means it will last three days if you do an hour each of watching videos, browsing the web and making calls each day. Our battery tests include dedicated measurements for web browsing, calls, video playback. Naturally, we've ran it through our battery test and the results are in. According to the official stats it should be enough for about a day 3G talks and 39 days on stand-by. Microsoft Lumia 640 XL Dual SIM is powered by a 3,000 mAh battery. The Display settings also include a dedicated Brightness settings, where can tune the brightness levels for the three default profiles Windows Phone offers - Low, Medium and High. Microsoft has supplied the Lumia 640 XL will its proprietary Color Profile app that lets you tune the saturation and color balance to your liking. ![]() The smartphone did excellent in our sunlight legibility test, meaning you'll have no problem seeing what's on the screen when taking it outside, even in the brightest sunny days. Although we found the blacks and pixel density of the Lumia 640 XL to be only average, we should note that the contrast is very good and the screen is brightness at 100% is great. The pixel density of 259ppi provides reasonable sharpness and the image quality is good.Ĭolors are very punchy and viewing angles are decent. The Microsoft Lumia 640 XL packs a 5.7" ClearBlack IPS display of 720 resolution. ![]()
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