Database Info

[Q] Capacitive Stylus

Hey!
I really hope that this haven´t been asked already...I haven´t found an answer yet. Tell me, is there any possibility to get a digitizer working on this touchpad? I do not have any knowledge about the technical requirements for these active pens...

Y dont you just get a ipad pen type of pen?

greenlant said:
Hey!
I really hope that this haven´t been asked already...I haven´t found an answer yet. Tell me, is there any possibility to get a digitizer working on this touchpad? I do not have any knowledge about the technical requirements for these active pens...
Click to expand...
Click to collapse
Do you mean a capacitive stylus? The screen is capacitive so only a capacitive stylus will work. Just check out ebay. Any stylus that works with an ipad, transformer, or iconia will work on the touchpad.

If you are thinking of something more like a Wacom tablet type 'active' digitizer, then no, they cannot work with a standard (capacitive only) device. They operate using a radio frequency system which has to be present both on the pen and on the tablet itself.
The bonus is improved accuracy and sensitivity for the device, the drawback being cost, a *screenless* wacom tablet using that technology is already a hundred dollars or more, and to combine it with a screen wacom charges a thousand dollars handily.
HTC has a compromise of a sort with the flyer tablet, but again thats a two part system, part of it is in the pen and part is engineered into the tablet itself.

Thats´what I meant (an active digitizer)...okay, thank you all for your help!!! In this case I have to find out, if such a capacitive pen runs well, but I´ve heard that the are not that good...
Thanks!

S Pen Calibration?

Hi,
I've found on my Note 10.1 that the accuracy of the S-Pen gets worse near the edges of the display. At the very edges it's off by about 1 mm or slightly more. I can't say it's really caused any problems but I'm wondering if this is normal and if there's any method to better calibrate it?

I've been having the same issue, or at least I noticed it recently...

Does anyone know anything about this problem?

This has been bothering me a lot lately, especially since i use my Note for note taking. Bump in case someone knows the solution.
Sent from my GT-N8013 using xda premium

Here's the response from Samsung support:
Thank you for contacting Samsung Customer Care.
We understand that while using the S pen near edges it looses accuracy.
We are sorry to hear that.
Please try replacing the S pen tip to isolate and fix the issue.
It is not possible to calibrate the digitizer.
Thank you for contacting Samsung.
Kind regards,
Steve
Samsung Customer Care
http://www.samsung.com/ca
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I''''ve found the S-Pen (as viewed by enabling the hovering pointer) loses accuracy the closer to the edge of the screen the pen is used. At the edges it is off by at least 1 mm. About 1 cm in from the edges the accuracy is good.
Is this a defect in my unit or are they all like this? is there any way to recalibrate the digitizer to improve accuracy?
Click to expand...
Click to collapse
I tried changing the tip with both types of tips supplied with the tablet and as expected it had no effect. Note, also, how utterly useless Samsung email support is. The only way to reply is through a link which sends you to a contact form to submit a new email from scratch. There's no incident number or any way to establish continuity.
In any case, I happened to be at a Microsoft store yesterday and played a bit with Samsung's ACTIV (sp?) pro Windows 8 tablet which has the same s-pen as the Note 10.1. What I noticed immediately is it behaves exactly like my tablet: the digitizer loses accuracy both when tilting the pen and especially when the pen is near the edges of the display. The amount of inaccuracy is just about the same too, about 1 mm near the edge.
So I suspect this may be a limitation of the technology or at least the technology as it's being used by Samsung (I'm surprised Wacom's stuff is not more accurate). I'd be particularly interested if anyone is NOT seeing this.
It also seems silly that the display cannot be recalibrated or the driver does not support remapping. This seems like something that should be pretty easy to implement.
On the positive side, I can't say that I've experienced any real accuracy problems when in actual use. Probably I don't tend to write so close to the edge where it might be an issue. It's more an annoyance that the cursor doesn't quite match the tip. It's actually less annoying than having my hand trigger s-note's zoom or the notification drawer every time I try to write something.

Too bad, samsung support is horrible. For me this problem is pretty annoying since I tend to write until the VERY edge (just like I do in real paper), so I guess I'll have to change my habits lol.
P.S: It's good to know that is not my faulty tablet, but something "normal" in wacom devices...

nahuelarg86 said:
Too bad, samsung support is horrible. For me this problem is pretty annoying since I tend to write until the VERY edge (just like I do in real paper), so I guess I'll have to change my habits lol.
P.S: It's good to know that is not my faulty tablet, but something "normal" in wacom devices...
Click to expand...
Click to collapse
Yes, it is annoying. I wonder if there's any dev we can convince to write a remapping layer to fix this issue.

tmagritte said:
Here's the response from Samsung support:
I tried changing the tip with both types of tips supplied with the tablet and as expected it had no effect. Note, also, how utterly useless Samsung email support is. The only way to reply is through a link which sends you to a contact form to submit a new email from scratch. There's no incident number or any way to establish continuity.
In any case, I happened to be at a Microsoft store yesterday and played a bit with Samsung's ACTIV (sp?) pro Windows 8 tablet which has the same s-pen as the Note 10.1. What I noticed immediately is it behaves exactly like my tablet: the digitizer loses accuracy both when tilting the pen and especially when the pen is near the edges of the display. The amount of inaccuracy is just about the same too, about 1 mm near the edge.
So I suspect this may be a limitation of the technology or at least the technology as it's being used by Samsung (I'm surprised Wacom's stuff is not more accurate). I'd be particularly interested if anyone is NOT seeing this.
It also seems silly that the display cannot be recalibrated or the driver does not support remapping. This seems like something that should be pretty easy to implement.
On the positive side, I can't say that I've experienced any real accuracy problems when in actual use. Probably I don't tend to write so close to the edge where it might be an issue. It's more an annoyance that the cursor doesn't quite match the tip. It's actually less annoying than having my hand trigger s-note's zoom or the notification drawer every time I try to write something.
Click to expand...
Click to collapse
I wouldn't expect much help from a company that hires people who don't know the difference between "loses" and "looses". That's sad.
Sent from my GT-N8013 using xda app-developers app

Do you use magnet type cover? Try to remove it and see if the problem fixed
Sent from my GT-N8000 using xda premium

Hi to all. I am having a note 2, it has the same s pen as all the note series... i had that problem but it fixed when i did update! Try to go on developers options and check 'show pointer location' to check if the problem is the spen or the software.

I also notices that when used near the camera there is a great loss of accuracy .... and good to know that's not hte fault of my Note:good:

Scorpion_Ibm said:
I also notices that when used near the camera there is a great loss of accuracy .... and good to know that's not hte fault of my Note:good:
Click to expand...
Click to collapse
Mine just works fine, even on the ledges! Sometimes, but sometimes when the accelerometer is uncalibrated the S-Pen just stop responding well. I calibrate the accelerometer using this game https://play.google.com/store/apps/details?id=com.fgol.HungrySharkEvolution Just go on Options/Change to tilt control(If necessary)/Calibrate
It worked for me!
Post results!

kokero said:
Mine just works fine, even on the ledges! Sometimes, but sometimes when the accelerometer is uncalibrated the S-Pen just stop responding well. I calibrate the accelerometer using this game https://play.google.com/store/apps/details?id=com.fgol.HungrySharkEvolution Just go on Options/Change to tilt control(If necessary)/Calibrate
It worked for me!
Post results!
Click to expand...
Click to collapse
Thanks for trying to help .... the slight offset near the edges is no problem for me but i had a relatively bigger offset near the top (near the cameras) but that appeared to be due to the magnetic part in the book cover i had what an idiot .. i thought the camera had magnetic parts that do this and forgot the magnet of my book cover
So now what i really have is the offset near the edges

For me it's not an overall offset issue but just near the edges where it makes taking notes, sketching particularly difficult. It's very frustrating that these tablets aren't better calibrated out of box and provide no option for calibration. I'd be very surprised if this couldn't be fixed through software but would probably require support through the driver.
The other issue I have is that the drawing point only visually aligns with the tip of the pen when the pen is 90 degree from the tablet and you're looking straight down at it. Provided you hold the pen at a relatively steep angle and you angle the tablet so you're looking mostly down at it (say on your knee or a tilted stand) it's not bad. But once you deviate from that, say by putting the tablet flat on a table in front of you so you're looking at down at around 30 degrees, the deviation from where the tip appear to be and where the drawing point is becomes significant. I find this very frustrating. While I still prefer the s-pen to a passive capacitive pen, the fact I can't draw where I think I'm drawing makes it hard to work with. I've been using the tablet as my primary note taking device but I'm getting frustrated enough that I may go back to pen and paper and scanning.
It's probably not possible to fix this issue without hardware changes. Although multiple calibration profiles might reduce the effect.
I guess I'll have to wait for better hardware before I can finally live a paperless life...

tmagritte said:
For me it's not an overall offset issue but just near the edges where it makes taking notes, sketching particularly difficult. It's very frustrating that these tablets aren't better calibrated out of box and provide no option for calibration. I'd be very surprised if this couldn't be fixed through software but would probably require support through the driver.
The other issue I have is that the drawing point only visually aligns with the tip of the pen when the pen is 90 degree from the tablet and you're looking straight down at it. Provided you hold the pen at a relatively steep angle and you angle the tablet so you're looking mostly down at it (say on your knee or a tilted stand) it's not bad. But once you deviate from that, say by putting the tablet flat on a table in front of you so you're looking at down at around 30 degrees, the deviation from where the tip appear to be and where the drawing point is becomes significant. I find this very frustrating. While I still prefer the s-pen to a passive capacitive pen, the fact I can't draw where I think I'm drawing makes it hard to work with. I've been using the tablet as my primary note taking device but I'm getting frustrated enough that I may go back to pen and paper and scanning.
It's probably not possible to fix this issue without hardware changes. Although multiple calibration profiles might reduce the effect.
I guess I'll have to wait for better hardware before I can finally live a paperless life...
Click to expand...
Click to collapse
May be try this app with this kernel the post says that it can successfully reset the Spen callibration
Post with kernel: http://forum.xda-developers.com/showthread.php?t=2299406
App: https://play.google.com/store/apps/details?id=com.whitedavidp.reset.spen

It was the case
wiien said:
Do you use magnet type cover? Try to remove it and see if the problem fixed
Sent from my GT-N8000 using xda premium
Click to expand...
Click to collapse
That was it for me. The case was causing that. When I read your post I realized that my case has a keyboard and you can remove it. It stays in place with a magnet. So I removed it and it works as expected. so now I know to get it on the edges it's that. Thanks:good:

How Surface cover detect it open, close or backflip?

I notice at first date I get my Surface RT that it didn't use regular trick as magnetic switch. But until now I didn't get how it work. Is it mechanic to detect in foldable area, accelerometer or gyroscope in it?

hisoft said:
I notice at first date I get my Surface RT that it didn't use regular trick as magnetic switch. But until now I didn't get how it work. Is it mechanic to detect in foldable area, accelerometer or gyroscope in it?
Click to expand...
Click to collapse
I tried t work this one out myself, and I came to two conclusions,
1. There is a magnet on the left wrist rest. ( this could also keep the cover from opening)
2. Near the connector, there is a little notch in the design of the cover, and I believe this could be a trigger point for the keyboard, I imagine it's like two metal connector touching to provide power to the cover.
These are just theories, if I am wrong I would like to know how this works.
Dane

Magnet based switching would not have worked in certain configurations such as if you prop your surface up on the kickstand to watch a movie and flip the keyboard underneath out of the way, in this setup the keys would be face down and liable to cause input but you dont want them to. The notch would also likely be unreliable for this reason also.
Instead it has been confirmed by microsoft somewhere that there is actually a second accelerometer in the keyboard base (no gyroscope or magnetometer though) which can be used to determine the angle of the keyboard alone, combined with the angle reported by the tablet accelerometer you can work out if the keyboard is in a position in which it can be used or whether to dim the backlight etc. It would also be incredibly easy for MS to integrate this into their existing system, they keyboard and touchpad are both i2c devices, most accelerometers on the market support i2c, all windows 8 tablets to meet certification must use i2c sensors, i2c devices can be daisy chained so a tablet only needs one i2c "port" on its CPU and you can daisy chain a ridiculous number of devices off of it, I think by default 255 but you can then have i2c expanders ontop of that. Dead easy to daisy chain a cheap accelerometer off of the i2c bus already in that cover.
If there is indeed a magnet, this alone could well be used as a more reliable screen lock than accelerometer data alone though, it may well be used for that. Accelerometers by nature are quite noisy and return alot of dodgy data so if you only used accelerometer data for locking the screen in which the 2 sensors report that the keyboard is open at a 15 degree angle and it wont lock for instance. A magnet would also be compatible with 3rd party folio cases.

There's a magnet (you can find it with a little trouble using anything sufficiently magnetic) but it's very weak. It can't even be properly said to hold the cover closed. Given the accelerometer in the keyboard, I'm not entirely sure why they bothered.

GoodDayToDie said:
There's a magnet (you can find it with a little trouble using anything sufficiently magnetic) but it's very weak. It can't even be properly said to hold the cover closed. Given the accelerometer in the keyboard, I'm not entirely sure why they bothered.
Click to expand...
Click to collapse
accelerometers are highly noisy sensors. Most apps and such using them filter a range of 10 inputs out into 1 and use that as a more realistic average. Even then it wont be 100% correct and with 2 sensors each with their own inaccuracy, which is also amplified when the tablet is moving your likely to have a scenario where the tablet thinks its keyboard is not fully closed, unlocks itself and starts draining a teeny bit of battery in your bag as you ride the subway to work and the train is hurtling around a corner or something.
With a bit of filtering they are probably clean enough sensors that you could fairly reliably detect the screen being closed but there is still that chance of it over-riding itself.
Also the magnet means that 3rd party companies can make a leather folio case with a magnet in it for instance

OK. Thank Dane Reynolds, SixSixSevenSeven and GoodDayToDie for information. I didn't notice before that cover have magnet (except for it connector). I don't even think the will place it in the middle of cover. Now I checked and found it. I can use regular magnet to turn screen on and off in it area. Then I think it only regular magnetic switch that only work when cover were connected. (because the cover cannot turn screen on or off when connector didn't connect) Maybe this is for power saver by avoid calculate accelerometer data all the time even when in sleep mode.

Well, it's a combo of accelerometer and the magnet. They both don't have the same function. As far as I know, usually magnets are used to turn the screen on and off and then the accelerometer is probably used for the keyboard and stuff. The only reason I can say that the magnets don't work without connecting is that it's a really tiny magnet, but an electromagnet maybe. Anyways, that's just my take on it. I didn't do any research or anything so yeah.

[Q] DirectStylus Drawing/Sketching Experience?

Greetings! I am simply wondering if this tablet provides a decent drawing experience when compared to, say, the Galaxy Note line of products. I owned a Galaxy Note 8.0 which was wonderful, but after an unfortunate mishap, it's been rendered useless. I've been waiting for a tablet that is somewhat small, has an included stylus, and is very powerful (Stock Android is certainly another plus!). This seems to be the only device that fits the bill. I just want to know if actually feels like a pencil on paper from (hopefully) unbiased owners. I mainly intend to use ArtFlow and LayerPaint HD.

So nice to hear that there are people noticing that feature of the shield Tablet. So generally after some trys with different apps, Imo it works pretty well. But it can't be compared to an device with an active digitiser.
So you have your main focus on drawing. I would say you can have the same results as with an Spen for example. But you have to learn how to use the Direct Stylus.
In many reviews and threats & posts you will read about pressure sensitivity.
That not the truth. Direct stylus recognise the size of the tip touching the surface. There are two ways to achieve a bigger surface with this kind of stylus :
1. Press real hard on the display
That would be the normal "use" of an pen and an stylus with digitiser.
That is the reason you will read about flimsy tips of the stylus.
2. Twist the stylus while Drawing
When you take a look at the Tip of the stylus you can imagine, how the developers intend to use this kind of stylus .
For example when you want a decent line with a fine start, getting bigger till the end you have to start with the small tip and turn the stylus to a bigger spot.
l know it sounds unfamiliar, specially, when you are used to the Spen of Samsung, but after some tries it works quiet well.
As Nvidias CEO said during presentation , it depends on your personal skill..
Another important thing is the palm recognition.
It works most the time but it uses the same technique as pressure sensitivity. So it sometimes happen that when you lift or move your palm, You are giving an input. The best workaround is to activate the "stylus only mode " in the Menubar.
The annoying thing is, that you can't use pinch to Zoom or your Finger to move your workingsheet.
Hope I could give you a little clou on using the Direct Stylus on the shield Tablet.
If you got some more questions feel free to ask or pm me
Sent from my SHIELD Tablet using XDA Free mobile app

I use artflow on SHIELD and its ok. I love the stylus and it feels nice to draw with. Not sure if its the tablets senors or ArtFlow but sometimes it isnt accurate, where you think you're touching isn't what the tablet detects. I've only noticed this really with ArtFlow, Dabbler seems to be more accurate so I'm assuming its just the app itself. ArtFlow has rolled out updates for the Tegra k1 since I've downloaded it, so hopefully it gets better. I havn't tried Layer Paint yet.
---------- Post added at 10:52 PM ---------- Previous post was at 10:43 PM ----------
Hudrator said:
The annoying thing is, that you can't use pinch to Zoom or your Finger to move your workingsheet.
Click to expand...
Click to collapse
Pinch Zoom works fine for me in Stylus only mode for ArtFlow. It is a tad buggy, sometimes instead of zooming/moving it acts as an eraser...which is odd. But the undo button fixes it. Its not perfect but it works for me.

Thank you so much guys! Could either of you test a pencil on the display? It works with the Tegra NOTE 7 and some other devices like the Galaxy S4/ S5. Make sure it's dull so you don't destroy your screen if you do try it.

What about small curls?
Hi, stylus lovers!
I have a question to owners of Shield Tablet.
Some time ago I've tested my colleague's Tegra Note 7 tablet (EVGA branded).
That tablet has Direct Stylus too. And it's stylus "engine" has an distressing flaw: it "eats" small curles. For example if I'm writing small handwritten letter "b" (the upper oval first and then the lower oval) the upper oval will be drawn in very reduced size, almost to dot. But the lower oval will be almost normal. It applies other letters with upper curls like handwritten "f", "h", "k" and "l" too.
(I hope, my explanation and my English is not very ugly.)
So, the question is how Shield Tablet's stylus behave in such situation? Can you just write some handwritten phrase in any drawing app and check out if small curles of letters were "eaten"?
Thanks!

That's a thing I noticed too. But I think I can explain a little bit about that.
First of all, what you experienced there is also to see when you are writing with for example an Spen. You just really have to take a close look.
To make the input look cleaner the software kind of renders the detected input and round it up to make it look more fluid.
The picture I posted is out of the App "Write ". There you have a setting where you can choose how much the input gets rounded.
l turned up the setting from No 1 to No 5. The movement on the screen was the same in every line.
So you can see how much influence an App setting can make .
So you can't say yes or no to your question. For me the standard Android handwriting recognition makes a really good job in terms of showing what's been written on the Display without the chicken influence
OneNote is imo an negative example for that.
##### Can't post pictures at the moment.... #####
Sent from my SHIELD Tablet using XDA Free mobile app .

Hudrator said:
the software kind of renders the detected input and round it up to make it look more fluid
Click to expand...
Click to collapse
Thank for quick reply!
I fully understand that moment. I've spent a lot of time with S-Pen (Note 8 and Note 10.1 2014) and Tegra Note 7 too.
And I can state: S-Pen is more laggy but it don't eats small curls as Tegra Note 7 stylus does.
I played with several drawing apps on Tegra Note 7 and all of them behaves similarly in curl eating.
There is one stylus sensivity setup option in Tegra Note 7 and it doesn't give any good effect for my interest.
I've forgot to say clearly: my interest is not in handwriting recognition. I just want to have precise drawing and handwriting.
So, the question is: does Direct Stylus in Shield Tablet eat curls less than in Tegra Note 7?
Obviously my question sounds whimsy. But I can't do anything with it. I want precise stylus.

No you don't. I really can understand you. Had the same headache.
On shield tablet l can't find a setting like you mentioned.
I really would like to post some examples but the App won't let me do this for you. So I would say order it and try it on your own. Maybe you find a shop with an good return policy?
I can make thinks look like been eaten up but with the same app l can write the best texts. There it really depends on the kind of pencil & brush and thickness you choose ...
Really sorry mate
Sent from my SHIELD Tablet using XDA Free mobile app

So the stylus in the shield isn't active? It's just like any other capacitive stylus that emulates a finger, maybe a bit better?

{Diemex} said:
So the stylus in the shield isn't active? It's just like any other capacitive stylus that emulates a finger, maybe a bit better?
Click to expand...
Click to collapse
It's way way better.
Due to some Tegra's digitizing magic the Direct Stylus 2 performs like an active stylus. The most valuable advantage of Direct Stylus 2 over other capasitive stylus digitizers is very high sensivity and selectivity.
Here is good video on it:
https://www.youtube.com/watch?v=PaRT0E-RTPQ
And here is a video on older Tegra Note 7 (with an older Direct Stylus digitizer) digitizer comparison with S-Pen digitizer on Galaxy Note 8 and capasitive sensor of Nexus 7:
https://www.youtube.com/watch?v=wtZz4PjcAUk

@Kirrrr Thanks for the videos. It seems to me like they optimized the ability for the touchscreen digititzer to pick up the size of a touch. The soft tip of the pen changes its size depending on the way you hold it and the pressure. Reporting of touch size is actually build in to android. I tested it and different fingers report different sizes. My pinky 1 - 2, forefinger 2 - 4 and thumb 3 - 5. I think that lots of drawing apps don't take advantage of this because the variance is so small when using the same finger. It seems like they where using a customized version of sketchbook that actually takes the touch size into account. I doubt the tip is going to last long and it didn't look like the tip is replacable. Software wise what they did is impressive, but I think I'm going to skip this tablet.

Flip case that turn of / wake screen.

Hi.
Just bought a original flip cover for my Note 2 . But it does not wake or turn of the screen.
Am i missing something in settings. Im on Xiaomi.EU 5.10.8 Weekly.
It sure has sensor that turn of screen when i hold it to my ear, so it should be possible (?)
After changing the launcher i really begin to like this phone.
Thanks
Knievel

There aren't settings about it. The prossimity sensor work while you are phoning, it turn off the screen when is near the ear.
For change the launcher go to Settings > Apps > Default Apps > Launcher
~ Xiaomi Redmi Note 2 Prime ~

KnieveI said:
Hi.
Just bought a original flip cover for my Note 2 . But it does not wake or turn of the screen.
Am i missing something in settings. Im on Xiaomi.EU 5.10.8 Weekly.
It sure has sensor that turn of screen when i hold it to my ear, so it should be possible (?)
After changing the launcher i really begin to like this phone.
Thanks
Knievel
Click to expand...
Click to collapse
Did you manage to solve the issue?
Also, which launcher are you using

sapan.xda said:
Did you manage to solve the issue?
Also, which launcher are you using
Click to expand...
Click to collapse
Nope. I am not able to wake/turn of screen with flip cover so far.
Google Now launcher gives me the stock feeling i like, with app drawer etc.
And still have a lot of useful stuff in Miui os.
Had to flash Chainfires Supersu to change launcher and make it stick. Some trouble with permissions.
Did also uninstall a few annoying Chinese apps before i was happy with it.
Thanks
Knievel

nice cover.

Try to install any smart cover apps from google play..
hope it work.

Hello,
Can you please tell me where do you buy it? Can you please share à link?
Thank you

This cover claims it has auto-sleep/wakeup and even has video to demo that http://www.aliexpress.com/item/New-...For-Xiaomi-Redmi-Note-2-With/32506925639.html
No idea if it actually works

celalaltul said:
This cover claims it has auto-sleep/wakeup and even has video to demo that http://www.aliexpress.com/item/New-...For-Xiaomi-Redmi-Note-2-With/32506925639.html
No idea if it actually works
Click to expand...
Click to collapse
Hi.
There is a lot of apps that make you able to wake/turn off screen with flip cover.
But all of them uses to much battery, and screen turn off when its not supposed to.
This flip cover seems to clearly have an app involved.
The main reason for me to have this function is to save battery.
Both my Nexus 5 and 6 have flip covers that uses some kind of magnetic function.
Maybe this phone doesent have the right hardware and has to use the proximity sensor.
Just my guess.
Thanks
Knievel

Yes the flip cover uses the magnetic sensor and a custom app.
I don't see why the magnetic sensor should use less battery than the proximity/light ones...
So I will buy a normal flip case.

Thank you.

I dont think this phone has magnetic sensor

No magnetic sensor present in the RedMi Note 2

The Redmi Note 2 must have a magnetic sensor, because it's working with the magnetic button of my ColorCross 2 virtual reality headset (I've taken this one because it's an open one, to prevent over-heating during games, but it's not the topic) on SwivelGun game (but it's better with à mini bluetooth gamepad).
To say, RN2 must have a magnetic sensor...

Citoyen Curieux said:
To say, RN2 must have a magnetic sensor...
Click to expand...
Click to collapse
You r right, this have Magnetic Sensor look the review http://forum.xda-developers.com/redmi-note-2/general/review-xiaomi-redmi-note-2-t3196267
Did you find something?

Nope, OTA, I didn't find anything, anywhere, but, hey, I've not searched... ^^
denebulas said:
I don't see why the magnetic sensor should use less battery than the proximity/light ones...
So I will buy a normal flip case.
Click to expand...
Click to collapse
The magnetic sensor is like a mechanical switch, it doesn't need to be powered, but the proximity sensor needs to be powered to work...

Waiting for the same
I've enabled the required settings but my mobile does not respond to the (normal, without magnet) cover. I wished it used the proximity sensor, as done while calling.

parkarvv said:
I've enabled the required settings but my mobile does not respond to the (normal, without magnet) cover. I wished it used the proximity sensor, as done while calling.
Click to expand...
Click to collapse
I have been using "Gravity Screen - On/Off" app for years with my RN2 flip cover, it works like a charm.

I can recommend WaveUp.
It's free and open source; it works on Redmi Note 2 (at least with CyanogenMod 12.1) and you can install it via F-Droid or Play Store.

Hi
I am enable flip cover mode but by mobile restart now and it is now lock also not open pls help me.