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Microsoft Lumia 640 XL is a smartphone which is a successor to the Nokia Lumia 630 series. Use this tag to ask questions related to this smartphone only.

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34 views

Is the lumia 640 xl single sim fake?

I have purchased the Lumia 640 xl online and paid but upon delivery it was a single sim with a second space that looks like a sim space but it seems that it is not. But when i read the details online ...
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0answers
56 views

My Lumia 640 xl not working the wifi (no matter what i do)

i had the latest windows 10 mobile version, it worked untill recently. first it connected but was often with no internet, then it stopped connecting at all, then it started not even finding new ...
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0answers
75 views

Battery drains very rapidly on my Microsoft Lumia 640XL. What could be the reason? (Please read details before answering)

There are no apps running in the background (I recently factory reset it, no third party apps have been installed except one or two; and I am sure they are not the ones draining battery) and I have ...
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0answers
28 views

Connect Lumia 640 XL to Sync

I got a 2017 Ford Escape recently, and I'm trying to connect my phone to Sync (not Sync III). I can see several "unknown" bluetooth connections available, but when I attempt to connect to any of them, ...
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0answers
28 views

No settings visible under “Mobile & SIM”

I just bought a new Lumia 640XL. It works OK with my existing SIM, except SMS messages do not appear to work when sending receiving from overseas. When I look at settings under Mobile & SIM, ...
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0answers
474 views

Camera not saving full resolution images

Phone:Lumia 640XL DualSim OS: Windows 10 with latest October 2017 update (regular version, not slow or fast ring or anything) The problem has persisted many times before for many months and it was ...
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2answers
258 views

How to access files on SD card after upgrading to Windows 10 Mobile?

I recently upgraded a Nokia Lumia 640 XL to Windows 10 Mobile. I need to know how to access photos that were saved to micro SD card for viewing on phone.
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0answers
39 views

Windows 10 Phone Re-Uploading Pictures already in OneDrive

I woke up this morning with a notification that my OneDrive was full, of which last night I had close to 2 gigabytes of free space. So, on investigating I found out that my phone was re-uploading ...
2
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1answer
365 views

Cannot find Gadgets App

I have a Microsoft Lumia 640XL running Windows 10 Mobile, and last week, I reset it to start everything again. So, I noticed the gadgets app pops up whenever I connect a new peripheral to my phone, ...
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0answers
56 views

Windows 10 store is acting strnage

Everything was fine till yesterday, when out of the blue, the store doesn't work properly. Here is the problem: The store doesn't open full page of apps. rarely it does, but most of the time, I ...
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0answers
97 views

Does Wallpaper(and lock screen wallpaper) size affect performance?

The default wallpapers provided are low in size,preferably less than 1Mb, and resolution. But if we add high resolution wallpaper with more Mb and resolution, will it affect performance? And what ...
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1answer
753 views

How to mute/unmute Windows 10 Phone

OK, did read the Global Mute in Win8, but how would it be in Win10? Didn't find any way for it.
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0answers
238 views

Wifi wont turn on, no matter what I do

I have a Microsoft Lumia 640XL, and I am unable to turn on/off my WiFi. The Settings menu is showing that it's turned on, but when I click on the WiFi option it shows as off. I am unable to turn it on ...
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0answers
111 views

Cannot change SMS notification sound in windows 10

I copied an Mp3 file into the Ringtone folder in phone through PC. I had 6 files in ringtone. But the device only shows two. The files are all mp3 and short length and size files. What's the reason? ...
-1
votes
2answers
45 views

my phone 640xl automatically activated double tap option

I am using a Microsoft Lumia 640XL, and double tap option automatically activated for all option with sound. i.e. for open screen say double tap; call say double tap please help for unlocking the ...
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0answers
158 views

My lumia 640 xl wont access the internet

I connect to my wifi my browser can access internet but my onedrive , Cortana , and other things cant access internet it was hanged few hours ago then i restarted it and problem began
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0answers
263 views

Micro SD suddenly went readonly in a Lumia 640XL

A few days ago, I experimented some strange issues with my Lumia 640XL. The Windows Phone Store app started to display error messages when trying update any app, and the pictures received from ...
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0answers
58 views

Lumia 640 email client

I've just had my work phone upgraded to a Lumia 640, which is proving ok so far, however the one thing that is annoying me is the email client. I am restricted to default client by corporate policy ...
4
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1answer
485 views

How can I install apps that is not available for my device?

I want to install this app on my device. It tells me it's not available and the "free" button is greyed out so I can't install it. I encountered similar problems like this one with different apps. ...
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0answers
55 views

How to automatically reject all calls from private numbers? [duplicate]

I don't want to receive any call from private numbers and I want them automatically rejected. How would I do that on Windows 10 Mobile?
4
votes
1answer
183 views

How to turn off daylight saving time on my phone?

My country stopped using daylight saving time. My mobile network operators fixed that when I check for time via USSD codes while Windows Phone insists that we still use DST. Is it possible to get ...
3
votes
1answer
422 views

Can't upload images to Facebook App

I have Microsoft Lumia 640 XL DS with Windows 8.1 Denim Update. I can't upload images to Facebook as a status update through the Facebook Native app. After I select the image and submit the upload ...
5
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2answers
1k views

How to turn off double tap to wake on Lumia 640 XL on Windows 10 Mobile?

How to turn off double tap to wake up the device on my Lumia 640 XL on Windows 10 Mobile?
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2answers
718 views

How to do a hard reset?

I have a Lumia 640XL and I updated it two nights ago to Windows 10. Now, along with other things, I can't add contacts to the People app, and it just shuts down every time I click on the plus button ...
4
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1answer
759 views

Project My screen in Windows 10 Mobile

After upgrading to Windows 10 Mobile, I cannot find one of my favourite Windows Phone feature: The Project My Screen Functionality. I have tried searching through my settings, but I cannot seem to ...
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2answers
248 views

Lumia Camera started misbehaving. Now not functioning altogether

I am using a Microsoft Lumia 640XL, running Windows Phone 8.1 Update 2. About 3 weeks ago, my Lumia Camera app started taking long to take photos. I would click on the capture icon, and then it would ...
3
votes
1answer
501 views

Why does Microsoft Edge read PDF files but cannot preview them in Google Drive Web service?

Despite that Microsoft Edge has PDF viewing capabilities, it can't preview pdf files shared with me via Google Drive service. Can someone explain Why does this happen? My phone is Lumia 640 XL ...
3
votes
1answer
467 views

decrease font size in Telegram Messenger

I am having Lumia 640XL and have installed telegram in it. The phone is running Windows 10. Is there any option available to decrease the font size in Telegram? I have searched for options inside the ...
4
votes
1answer
286 views

Why Windows 10 Mobile doesn't show how many rings my caller waited before hanging up If he rang more than one ring?

I know that Windows 10 Mobile in previous Beta builds shows how many rings my caller waited before hanging up. This feature doesn't work properly in the latest final release on Lumia 640 XL . It only ...
6
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2answers
3k views

How to uninstall Microsoft Weather and Microsoft Groove in Windows 10 Mobile?

When I tap on all apps I always find that Microsoft weather app has a blank blue tile and the same thing applies to Microsoft Groove. I have discovered that uninstalling the app and reinstalling it ...
5
votes
1answer
204 views

Is there a way to trigger the Windows 10 Mobile upgrade on an eligible phone

I downloaded the upgrade advisor app on my Lumia 640XL, which is not carrier locked, and checked for the Windows 10 upgrade, and it showed that my device is eligible for the update. But its been a ...
4
votes
1answer
1k views

Not able to send / receive messages in WhatsApp

WhatsApp was working absolutely fine just an hour ago, suddenly it stopped receiving any messages nor I am able to send any. Internet connection is absolutely fine. I tried to reboot the phone and ...
7
votes
1answer
103 views

Lumia 640XL Storage never finishes to show the app list with size

My Lumia 640XL only has 260MB free on phone. The micro SD 64Gb almost half free. The phone is misbehaving. Some apps shows no memory available, the camera does not display button to take photos, and a ...
4
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2answers
1k views

Not able to send SMS from my Lumia 640 XL LTE?

I bought a new Lumia 640 XL LTE and after inserting SIM, I am able to call and receive SMS but not able to send text messages. Can anyone suggest what might be the issue and do I need to change any ...
3
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2answers
618 views

Controlling phone Apps using Laptop's keyboard and mouse

I know there are some apps that can do the opposite. But I want an app that can allow me to use PC mouse and keyboard to control my phone apps. Actually, I want to play Modern Combat 5: Blackout phone ...
3
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2answers
966 views

In UC Browser I am unable to download after display lock

i am using Latest Microsoft Lumia 640 XL for last 2 months . I am unable to download in UC after Display Lock. Why?