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Questions tagged [lumia-640]

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1
vote
2answers
30 views

How long will a Lumia 640 function without updates?

Okay, I've tried Android, and it sucks. Since I primarily use my Lumia 640LTE WP8.1 for Talking, Texting, Email & occasional websurfing, a lack of updates to popular apps I don't use does not ...
0
votes
1answer
19 views

Lumia 640 screen brightness

Can the screen brightness be increased somehow on the Lumia 640 to be more visible in sunlight. The screen setting is already set to bright.
0
votes
1answer
83 views

too much space is reserved as System & reserved

System & reserved is eating 5.16GB of internal memory of my Lumia 640 LTE. it's os is Windows 10 1703 Can I clean this space up after unlocking the phone? Thanks
2
votes
1answer
364 views

Photos app crashes when opened

I have a Lumia 640 with Windows 10 Mobile. Lately the Photos app, when clicked to open, just closes immediately. How can I fix this?
1
vote
2answers
476 views

How to install Windows 10 Mobile with recovery tool?

I have a Lumia 640 that ran Windows Phone 8.1 and I updated it to Windows 10 Mobile. I dropped the phone and the system refused to start and I reinstalled it using recovery tool, but it installed an ...
2
votes
0answers
175 views

Apps usually crash when I try to post photos (Messenger, Instagram)

Ive had an issue for as long as I can remember where whenever I try to upload photos to messenger or instagram, the app just crashes. Please help. Lumia 640 Windows 10 Mobile Version: 1703 OS Build: ...
1
vote
2answers
103 views

Play only one song

I added a folder with a couple of audio files to my Music folder. When I click on one of those files in file explorer - it plays only that file in Groove. But when I click on it in My Music in Groove -...
0
votes
1answer
202 views

Lost contacts after update

I updated my Lumia 640 Windows Phone, after update was completed I saw that all my contacts and my texts were gone. I tried to retrieve them by restarting my phone but this did not work. Is there a ...
0
votes
1answer
72 views

How to exact match the lock screen picture with the start screen picture?

Model: MS Lumia 640 LTE Screen resolution: 720x1280 Problem: Selecting the same picture (720x1280) for both lock screen and start screen, the start one will look a bit fuzzy because the picture is ...
0
votes
1answer
107 views

SMS ringtones, Lumia 640, on win10

I recently upgraded my Lumia 640 to win10 (wish I hadn't!). On 8.1 I had imported a number of ringtones some of which I used as phone tones and some for texts. Most, but not all, appeared on the list ...
1
vote
1answer
92 views

Make Cortana listen on Cortana-app startup

When I click on the Cortana tile, Cortana doesn't listen (to "hey Cortana") until I click the small microphone button. Is there a way to have it listen right after I click on its tile?
0
votes
0answers
194 views

How to use Netflix and DLNA/Airplay/Miracast

I have an Anycast dongle on my TV. I'm able to cast (DLNA/Airplay) YouTube videos using the Tubecast app, which works fairly well - albeit it freezes on large (movie length) videos. I'd like to know ...
0
votes
1answer
1k views

Facebook Messenger keeps crashing - MS Lumia 640 LTE Dual Sim - Win 10

So recently, Facebook Messenger keeps crashing, whenever I try to type or send a message. Searching just returns solutions for the desktop app, not mobile. Does anyone else have this issue, or is it ...
4
votes
1answer
213 views

Suggested text/auto correct not working - MS Lumia 640 LTE Dual SIM

So. I upgraded my phone to Windows 10 Mobile (Insider Preview) a couple of months ago (from Windows Phone 8.1). About a week ago, the suggested text/auto correct feature has stopped working. Yes, I ...
4
votes
1answer
520 views

Hard reset vs Windows Device Recovery Tool

I want to reset my Windows 10 Mobile back to 8.1. I see there are 2 ways that seem to return a phone to its factory settings: a hard reset, and the Windows Device Recovery Tool. Are they equivalent?
3
votes
2answers
581 views

Resetting a Lumia 640 to Windows 8.1

I want to reset my Lumia 640 to 8.1 in order to get wifi calling. But I have two questions about that: Will Windows Update automatically update to Windows 10 whenever I update the phone, or will it ...
6
votes
1answer
162 views

Can you make Mobile Anniversary version of Windows 10 Mobile ask before updating?

I have multiple Android phones and one Windows Phone and iPhone for mobile developing purposes. I have my main SIM is my best Android phone, but I keep my work SIM in Windows Phone. Just now Windows ...
4
votes
2answers
2k views

Continuum on Lumia 640

Lumia 950 supposedly can utilize continuum using HDMI cable adapter. Does this cable also work with Lumia 640 for the same purpose?
1
vote
1answer
1k views

Heating issue for Lumia 640 dual SIM phone

I got my Lumia 640 dual SIM phone 10 days back which has W8.1 DENIM uploaded. From past 3 days I am facing severe heating problem at top of the phone, this only happens when I am using GPS, playing ...