It is powered by a 1.2 GHz quad-core Qualcomm Snapdragon 400 processor, 1 GB RAM and 8 GB (only 3 GB available) internal storage with up to 128 GB expandable storage via microSD cards. The Lumia 640 comes with a 5-inch HD IPS LCD display with Corning Gorilla Glass 3 protection and oleophobic (fingerprint-resistant) coating. In certain countries, there is promotion which includes a 16GB or 32GB SD Memory Card for purchasing Lumia 640 and 640 XL.ĭespite similar names and model codes, the Microsoft Lumia 640 and Microsoft Lumia 640 XL are distinct devices in both form and function. pricing beginning at US$ 179.99, while the Lumia 640 XL LTE (exclusive to AT&T in the country) is priced at US$ 249.99.īoth phones are available as Dual-SIM and LTE worldwide from April 2015. The Lumia 640 and 640 XL were unveiled at Microsoft's event at the Mobile World Congress in Barcelona, Spain on March 2, 2015. On October 18, 2017, Microsoft confirmed that the phone will not receive more major Windows updates, but it will still get security updates and cumulative updates until 2025 Release and availability On February 15, 2016, Microsoft announced the Lumia 650, the Lumia 640 successor, with improvements like device encryption, an AMOLED display, and 16 GB of flash storage. The two devices became available in the US and most other markets in June 2015. The phones are primarily aimed at developing markets, although they are also available in developed markets as lower-cost options compared to other phones in their classes.
LUMIA OS VERSIONS SERIES
Both phones were announced on March 2, 2015, and are the successors to the Nokia Lumia 630 series and the Lumia 1320, respectively. The Microsoft Lumia 640 and Microsoft Lumia 640 XL are Windows Phone smartphones developed by Microsoft Mobile.
LUMIA OS VERSIONS 720P
Windows Phone 8.1 Update 2 ( Lumia Denim) upgradable to Windows 10 Mobileĥ-inch 720p HD IPS LCD, 294 ppi (Lumia 640)ĥ.7-inch 720p IPS LCD, 258 ppi (Lumia 640 XL)Ĩ.0 MP auto-focus, f/2.2 with LED flash, FHD 1920x1080 video (Lumia 640)ġ3.0 MP, BSI, auto-focus, 10 cm minimum focus range, f/2.0, 28 mm focal length with LED flash, FHD 1920x1080 video (Lumia 640 XL Only)
LUMIA OS VERSIONS INSTALL
If you're on iOS 16.3 or earlier, you must download a configuration profile (tap on the blue Download profile button), go to Settings, tap the profile and follow the instructions.įinally, go to Settings > General > Software Update and install the iOS 17 public beta.If you're running iOS 16.4 or later, all you need to do is go to Settings > General > Software Update > Beta Updates and choose the iOS 17 public beta to install.On the next page, scroll down to the second section and depending on what software update you currently have, you have two options: Under Get Started, tap the blue enroll your iOS device link. On the Guide for Public Beta page, you'll get more information about the iOS 17 public beta. If you're signing up, follow all the prompts. On your supported iPhone, go to the Apple Beta Software Program website and either sign in (if you're already a member) or sign up.
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