2025年1月5日 · As of 2025, Windows Phone devices and their operating systems (such as Windows Phone 8.1 and Windows 10 Mobile) have stopped receiving new feature updates and official support. Microsoft has phased out development and maintenance of Windows Phone over the past few years and is no longer releasing new Windows Phone devices.

2020年3月1日 · I have a Lumia 640 XL phone with Windows 10. When I access certain websites, it pops up an annoying message saying that I'm using an old browser (Edge) and need to update to the newer version, click here to update. However, I understand the new Edge is a Chrome-based browser & not sure it will work with my phone. What would happen if I try to ...

2017年5月3日 · Cell Phone. then this when I try to add that device: That didn't work. Windows does not have a network profile for this device. if that info helps.... Then it also says "eject Lumia 640 LTE" in the taskbar when I right click on the USB icon that appears when I connect the phone -- so it IS connected and recognized...

2015年12月21日 · In November I purchased a Microsoft Lumia 640 LTE dual sim mobile phone which I am generally very pleased with. At the moment I am only using one sim in slot 1. There is an intermittent fault that I hope you may be able to assist me with.

2016年5月1日 · Thank you for posting your query on Microsoft Community. Let me assist you. I would like to inform you that your phone is among the supported phone for the Windows 10 Mobile Insider Preview. The latest update has been rolled out and you must be receiving it in some time. Please refer the below article for further details.

2016年4月18日 · I am using a Microsoft Lumia 640 single sim phone. Lumia 640 is in the upgradable list but each time when I check with upgrade advisor the response is "windows 10 update isn't available for your phone yet" What can be the reason for this.

2015年6月19日 · Microsoft Lumia 640 LTE, upgrade from Windows Phone 8.1 Update 2 to Windows 10 This is an exellent device at a very good price , but: This upgrade was (18 June 2015) a complete disaster.

Hi,I have a Microsoft Lumia 640 LTE phone.I need to upgrade my phone to Windows 10.Over the Cable Updater Tool doesn't work anymore.

2016年12月28日 · Regarding your concern, check the USB connection settings of your Lumia 640 by doing the following: If your phone is running on the Windows Phone 8.1 operating system: Go to Settings > USB. Put a check mark in the Ask me before using USB data connection check box. If your phone is running on the Windows Phone 8.1 operating system:

2018年1月14日 · My Lumia 640 XL which is on Windows 10 (latest updates both on phone as well store) is also dropping every call made through Phone App after every moment from last 2 months. I have reported this bug via Feedback Hub app 1000's of times but nobody is listening to my problem, neither there nor here! I want justice....