F.A.Q.
Is the back panel glossy or matte?
All glossy exceptblack .
Does it come in a black cap if you order a color model?
The black cover in the kit does not go if you order a color version.
How does the phone switch to silent mode?
Click on any button swing volume control. Two "slider" will come out. Click next to them on the icons "bell" and "notes." Only vibration will remain. If it is necessary to remove it, then click on "Enable vibration". To get it back, do the same.
How to remove the battery?
This is a feature of this. He sits very tight. Take a screwdriver, only gently, without fanaticism.
Does Lumia 640 have an NFC 3G version?
Yes, absent.
If you surf the Internet with SIM # 1 and call SIM # 2, will they call me?
Yes.
Will it be enough for comfortable communication in the zone of confident reception of 3.5G speed? (for 3G models)
What is the camera aperture: f /?
See technical specifications for the answer.
Tile "contacts" medium size constantly flashes, which is very annoying. How to make this tile static?
Tile contacts cannot be made static when it has a large or medium size. If reduced to small, then they will not.
How can I add buttons to the top curtain? And then I have a little four pieces.
Buttons with labels are always four, no longer can be put. On these four, you can put only the most necessary.
How to add more details to the screen lock? Five is not enough for me.
There are only five shortcuts on the lock screen, so this is also the most necessary.
I don’t use the 2nd sim card, but its icon is constantly visible as an inactive sim, is it possible to remove it somehow?
It is impossible.
Is it possible to paint the tiles of calls (and SMS) in different colors depending on the SIM?
The colors themselves are not changed. The color of the first tile is the main one set in the settings, the second one changes depending on the installed system color (it differs for a couple of tones). (You can also see an example with screenshots
here).
Is it possible to display the weather and calendar on the screen off? (About GlanceScreen)
Clocks can be displayed, and notifications of selected applications. Weather, it seems, only the lock screen is possible.
What about oleophobic coating?
Oleophobic coating is, and it is of good quality. There are almost no prints, and those that appear from somewhere are erased by one movement.
Discounts added up?
No, they do not add up.
Support wireless charging (QI)?
Information is specified. At the moment it is known that for Lumia 640 there will be no QI support at all.
Like the 640 with GPS, do satellites catch well?
Excellent catches.
Does this device have a full-fledged offline GPS or GLONASS?
In Lumia 640 of all modifications there is a full-fledged receiver of signals from GPS and GLONASS systems.
How to build? Does the crunch crackle? Is there any backlash?
It is assembled perfectly, everything is tight, elastic, without gaps and backlashes.
What is the width of the frame on the sides in mm?
together with the case of 4 mm
How does the sensor / multitouch work?
10 touches, everything is fine.
Is the voice speaker in the 640 model normal, not deaf like some? You can clearly hear the interlocutor on that side?
You can hear clearly, the interlocutor did not hear extraneous noises
Is there a sensor sensitivity setting?
Not.
Can I install on the desktop two rows of middle tiles?
Yes.
Is it possible for the on-screen keyboard to enable vibration, as on the system buttons?
There is no such possibility.
If the vibrating alert is on, does it vibrate a couple of times at the beginning of the call when it rings, then only the ringing tone plays?
Yes. This is a WP feature.
What is the maximum memory card capacity?
128 GB
What type of memory card formatting is supported?
The memory card must be in FAT or exFAT format. The smartphone itself formats in exFAT.
Does this line of phones support USB-OTG?
No, it does not. Perhaps something will change with the release of Windows 10 Mobile.
Does Flash video play in Internet Explorer?
Not. Windows Phone does not play Flash content.Yes, absolutely.
Will the chargers from other companies? (Asus, Samsung, LG, etc.)
Original best. But, at your own risk, you can try third-party chargers that are suitable for the parameters.
What program constantly pulls the GPS when unlocking the device?
Settings ->Phone search ->Uncheck "Periodically save location until the battery is discharged."
How to turn off the sim card?
Settings ->Cellular network + SIM. There are settings items installed SIM-cards, where they can be disabled.
How to make a Full Reset (Hard Reset) and Soft Reset (Soft Reset)?