Adding Wireless Charging to the Lumia 640 | Windows Central
2015年6月27日 · I was able to add wireless charging to my Lumia 640 pretty easily and without messing up the phone or soldering anything to anything... you just need to pickup one of these wireless charging receiver modules from Amazon: DigiYes? Widespread Ultra Slim Micro USB Wireless Charging Receiver Module...
Lumia 640 wont turn on unless on charger, batterry/wdrt/usb issues
2016年9月20日 · Lumia 640 win mobile 10. stuck on low charge screen wont turn on off charger So one day I reset my phone due to my phone slowing down, and it would not turn on. For info purposes I have a Lumia 640 updated to win 10 (originally 8.1) After this I put it on the charger, it would load the Microsoft logo. then go to the charging screen with plug icon.
Is it possible to enable certain LTE bands on Lumia 640?
2015年12月13日 · As far as I know, Lumia 640 supports all LTE bands, but they might differ in certain models (RM-1072 vs RM-1073). It'd be great, if there was a way to enable LTE 3 and 20 bands on RM-1073, like it is possible on Nexus 5 (D920 - D921), using field test.
Lumia 640 XL versions | Windows Central
2015年7月9日 · UPDATE: below information has been updated based on feedback, thanks. Please feel free to add or correct. 1) 640 XL single-SIM (no LTE) - source: Microsoft Lumia 640 XL - Smartphones - Microsoft - Global - model number: RM-1066 (source: nokiapoweruser.com) 2) 640 XL dual-SIM (no LTE)...
Lumia 640 running W10 not recognized by PC via USB?
2016年4月21日 · When I saw it, I decided to try connecting my Lumia 640 LTE, which I had updated to Windows 10 months ago, to my Windows 10 AU system. This had earlier worked with the 640 on Windows Phone 8.1, with a Windows 8.1 PC, but I had no occasion to connect the 640 to a PC since then.
Lumia 640 XL bricked, how can I fix it? | Windows Central
2015年7月22日 · Lumia 640 XL bricked My lumia 640 XL bricked when I tried to upgrade to the preview builds. There is no response whatsoever even after pressing volume down + power. When connected to WPRT and use the emergency flash tool, it downloads the packagae but results in operation failed. So next I tried using the THOR2 tool from the WPRT.
Store is not working in lumia 640 | Windows Central
2016年4月25日 · It works for me on 640 XL, but I have already had some problems in the past and back then the problem was in the time I've set. If your time is correct, then maybe you should try just to restart your phone or sign out of the store and try to sign in after a little while.
Lumia 640 XL - Offline Maps - Endless Map Cancellation?
2016年1月24日 · Lumia 640 XL, running Windows 10 (version 1511, OS build 10.0.10586.29). (Picture link on the bottom) I successfully downloaded one map first, and then I wanted to download another map. However, it seemed to get stuck in the download, so I clicked "cancel". HOWEVER, now the "process circle" is...
Lumia 640 - WDRT, OS ver 9651.15148 is Windows Phone 8.1?
2016年3月21日 · I had used Insider's Preview to upgrade my AT&T Lumia 640 to Windows 10 release preview (or whatever the slowest ring is). I have Windows 10 10586 build 107 installed now. I went to confirm if I could roll back to 8.1 using the MS Device Recovery Tool, and it displayed that cryptic version as the "Software available on server."
How to install Android on Lumia 640XL LTE | Windows Central
2019年5月8日 · Android on Microsoft Lumia 640 XL LTE? Last edited: May 8, 2019. Laura Knotek Retired Moderator. Mar 31, 2012