Database Develop

Main keypad loose???

Anyone else notice the main keypad under the screen (the whole thing) sits loose under the brushed aluminum front face? Just curious if mine is bad or they all are that way. Thanks.

hardware keys
rdtce said:
Anyone else notice the main keypad under the screen (the whole thing) sits loose under the brushed aluminum front face? Just curious if mine is bad or they all are that way. Thanks.
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yeah..i think its been discuss already,your not the only one with that problem,mine seems like its getting worse.

Just to inform that mine is no problem. I got Kaiser since first week of September and the keyboard still fine.
In fact, I dont use it quite often nowadays because I am getting used to the Pocket CM Keyboard !
http://www.pocketcm
I can type very fast with pocketcm keyboard and I have my own keyboard layout with all keys that I want.

gogol said:
Just to inform that mine is no problem. I got Kaiser since first week of September and the keyboard still fine.
In fact, I dont use it quite often nowadays because I am getting used to the Pocket CM Keyboard !
http://www.pocketcm
I can type very fast with pocketcm keyboard and I have my own keyboard layout with all keys that I want.
Click to expand...
Click to collapse
Acutally, they are talking about the dpad area... the whole group of buttons there (Send/End/Start/OK/etc) is loose. I'm in the same boat.

Prolly should take a poll, since some are tight and not moving, like mine, I'd perhaps consider asking for a replacement.

RemE said:
Prolly should take a poll, since some are tight and not moving, like mine, I'd perhaps consider asking for a replacement.
Click to expand...
Click to collapse
I think you guys are worrying a bit over nothing. It's just a plate that has a fraction of a millimetre around it that lets it move a little. It cannot get worse as it slides under the faceplate and therefore will never fall out. It does not have the switches attached. They are perfectly firm underneath. It's just a fancy plate/cover, it's not glued or screwed in place but merely held in by the lip that runs underneath the faceplate. Not an issue really -forget about it in my view.
Mike

I was just curious...I think it is designed that way. No big deal really

rdtce said:
I was just curious...I think it is designed that way. No big deal really
Click to expand...
Click to collapse
Nothing wrong with being curious. You are correct it is designed that way and in that sense it's not a fault. It might bother some people, but I just wanted to re-assure anyone that thought it was a fault and might get worse. They are all like that though some may be a little more free to move than others.
Cheers
Mike
PS apologies if I sounded blunt or dismissive, did not mean it that way. I know it bothers (or makes people curious!) not just here but on other fora.

most dpad assembly moves...like the 810 pro and 838 pro..
it's design like that...

pocket scale

is there or can anyone create a small applet that can use the kaiser's touchscreen as a scale to measure weight, such as 0.3grams

...what's that white stuff on your phone?...kidding. kewl idea

Cool idea! So, is there anyone that can elaborate on the technical details of how our touchscreens function so we can figure out if the idea is feasible?

Here are some links, im really liking this idea. I even believe it could work. I doubt it would work for measurments over 45g
HERE
HERE
HERE
HERE
The reason I can see this working is the screen depends on the screen being pressure sensitive.

well, we are able to change the sensitivity of our touch screens, can't we incorporate that into a simple application

micgrob said:
is there or can anyone create a small applet that can use the kaiser's touchscreen as a scale to measure weight, such as 0.3grams
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Haha, you guys are funny... i hope it takes gram and dime

can anyone do anything with this lol?

I want a pocket scale! That would be sooo handy! ; )

HAHAHAHAHA Oh, the possibilities!

lmao its hilarious because me and a few of my friends have been talking about that for ages, and assumed it not possible. If it is, id pay. I got like $15 goin to whoever makes that program >D

It isn't. Touchscreens of the kind you find on the kaiser are made of 2 layers separated by little "rubber spacers" (the dots you can see when looking at the screen when it's off in strong light). The pressure needs to be great enough to bend the upper layer and have it touch the other one. But as it's the pressure that matters, if you put a weight that is the size of the screen, even if it's 100-200gr the screen won't even feel a press.

kilrah said:
It isn't. Touchscreens of the kind you find on the kaiser are made of 2 layers separated by little "rubber spacers" (the dots you can see when looking at the screen when it's off in strong light). The pressure needs to be great enough to bend the upper layer and have it touch the other one. But as it's the pressure that matters, if you put a weight that is the size of the screen, even if it's 100-200gr the screen won't even feel a press.
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Click to collapse
damn it! i thought about this before!

kilrah said:
It isn't. Touchscreens of the kind you find on the kaiser are made of 2 layers separated by little "rubber spacers" (the dots you can see when looking at the screen when it's off in strong light). The pressure needs to be great enough to bend the upper layer and have it touch the other one. But as it's the pressure that matters, if you put a weight that is the size of the screen, even if it's 100-200gr the screen won't even feel a press.
Click to expand...
Click to collapse
I was thinking the same thing. However, it still seems like it could be done with a standardized container, such as a bottle cap. That way you have the same area always touching the screen, and just the force changes (pressure = force / area, and force is weight). Stick a standardized 1 gram weight in the cap, put it on the screen, run the calibration part of the program, then always use that cap to hold whatever you're weighing.
I still don't know if the screen technology would let this work, but I think there's a chance. Perhaps the program could sweep the screen sensitivity from low to high, looking for when a "screen tap" is sensed, if simply looking at the touchscreen output isn't enough to determing weight...

I got 10 on it.

maxh said:
I was thinking the same thing. However, it still seems like it could be done with a standardized container, such as a bottle cap. That way you have the same area always touching the screen, and just the force changes (pressure = force / area, and force is weight).
Click to expand...
Click to collapse
I thought of that too, but seeing the pitch of the dots I guess the contact surface would have to be relatively small (like max 3x3mm), which would lead to the holder tipping over all the time... Not to mention the response on the screen is most likely less than linear, so one would have to always use the same "spot" on the screen to put the container on... At this point my little 500gr/0.1gr resolution pocket scale seems more convenient

oh well, thnx

I don't know if its just me, but I think I'll look kinda weird at the spuermarket putting bananas on my phone

Dude you have to be the ONLY person who thought, "scale? Bananas!"

capacitive pens are almost useless!

At least the two i got from ebay are! makes using some apps and stuff almost unusable, scrolling is almost impossible. I have a screen protector fitted but everything is smooth with my finger.
Anyone else have any experience with using pens?

yeah it works kind of okay when pressing (however you have to press hard sometimes.. also scrolling is indeed impossible. i bought those pens so i could play cryonphysics better but thats a no go
so i wouldnt buy stylus's for scrolling.. or maybe the expensive one's work better? i bought cheap ones from ebay.

stylus
I haven't heard of any that work very good at all! Would be interested if someone finds 1 that really works decent,, Thanks,,,Quig

http://www.htcaccessorystore.com/uk/p_htc_item.aspx?i=193951
£17 for a piece of plastic is just a joke!
Has anyone got one of these and does it work as well as a finger? needs to be accurate too.

madmackem said:
htcaccessorystore.com/uk/p_htc_item.aspx?i=193951
£17 for a piece of plastic is just a joke!
Has anyone got one of these and does it work as well as a finger? needs to be accurate too.
Click to expand...
Click to collapse
Those ones are a joke as well, barely even works.

i think our device is designed for our fingers
sense is fingerfriendly, even windows explorer can be used with fingers...thanks to our huge screen
so why buying such a crap?
if there's no "cartridge" to put it in, i won't buy it
DN41

madmackem said:
http://www.htcaccessorystore.com/uk/p_htc_item.aspx?i=193951
£17 for a piece of plastic is just a joke!
Has anyone got one of these and does it work as well as a finger? needs to be accurate too.
Click to expand...
Click to collapse
I have it, it has a plus and a downside. The downside is that scrollng is almost impossible therefore you still need to use your finger. The plus side is that the precission is astonishing. The little red dot does the job you want. You can click on listed links while browsing without zooming in and without selecting the link next to it.
Still it is not worth the 17 pounds.
Also these styli ARE Dagi styli http://www.dagi.com.tw/, since I bought one of these aswell to compare.
They are exactly the same. Same weight, material, length/width/depth etc.
So if you want to buy one. Dagi sells them for around 12 USD a piece.
I'm not able to post any pictures atm, since I'm not at home. If I am I will.

Stylus pens
No pen works very well on the HD2, so do not waste any money on buying one.
The only time you may need a pen, is if you work with gloves on, or wear gloves due to extreme cold weather and do not want to take your gloves off.
I have tried most of them as I spend a lot of time in a walk in freezer. The HTC is no better than the dagi or the cheaper versions from China sold on ebay.

I saw a video somewhere on youtube if im not wrong, it shows how you can make cheap pen for capacitive screens. You have to use and old normal pen, some wire and some conductive foam and it worked fine on the video.
Edit: I found youtube link , here it is
http://www.youtube.com/watch?v=smBOaEP3ut8
Maby it will help someone who need a stylus for hd2.
Best regards. Gjizaqin

It may have to do with hardware evidenced by tests like this one. The HD2's digitizer just isn't designed to be written on in terms of polling rate and sensitivity, so it may not completely be the fault of the pens.

try a sausage... they work well, i am not joking!!
http://www.youtube.com/watch?v=BObqu5CigcU&feature=related
at least its cheap...

There is a cheap stylus that works!!!
I'm not gonna recommend any particular ebay trader over any other, but I've tried almost all the supposed capacitive styluses (stylii?) out there and found only two that actually work.
There's the HTC one with the funny flat clear plastic 'blade' thingie with the dot in the middle of the flat 'blade' to line up the bit you want to interact with. They work, but they are awful (sorry HTC, it's true, patent or no they are still awful!). And way over the top pricing! WAY over the top! C'mon HTC!
And then there's this one: ://cgi.ebay.com.au/3-x-Capacitive-Stylus-HTC-DESIRE-01-Silver-/110537325379?cmd=ViewItem&pt=UK_Mobiles_Accessories_RL&hash=item19bc89bb43
(and here's where the bit about "any particular trader" comes into it - though the trade with me was just fine). Damn cheap, three to a pack and they actually work. No, seriously, I mean it - they work!
They have a kind of soft blobby rubber bit on the end (much like smooth squash ball material, I guess) that is soft to touch the screen and very accurate and it actually registers every press! Unlike all the other styluses (stylii?) out there, screen touches from this one are actually registered!
And if I need to slide the stylus across the screen, I rub a touch of nose oil (from the OUTSIDE of my nose!) onto the tip. This may just be needed because the screen protector I use is fairly 'grippy', though - it might not have the slide problems used directly onto the glass screen. I usually just use my finger for the sliding bit and the stylus for everything else.
All those hard rubber tipped stylus out there? Junk. All those foam tipped stylus out there? More junk. Pretty looking, in fashion colours, but junk none-the-less!
This is not a paid advert for anybody whatsoever - just my experience from my extensive junk stylus collection... Must find some creative use for them all...
KennyD

I got some off ebay a while back.
Didn't work very well, at all.
Had it bookmarked but link is gone.
​

kennydadsl said:
tried almost all the supposed capacitive styluses (stylii?) out there and found only two that actually work.
And then there's this one: ://cgi.ebay.com.au/3-x-Capacitive-Stylus-HTC-DESIRE-01-Silver-/110537325379?cmd=ViewItem&pt=UK_Mobiles_Accessories_RL&hash=item19bc89bb43
(and here's where the bit about "any particular trader" comes into it - though the trade with me was just fine). Damn cheap, three to a pack and they actually work. No, seriously, I mean it - they work!
They have a kind of soft blobby rubber bit on the end (much like smooth squash ball material, I guess) that is soft to touch the screen and very accurate and it actually registers every press! Unlike all the other styluses (stylii?) out there, screen touches from this one are actually registered!
And if I need to slide the stylus across the screen, I rub a touch of nose oil (from the OUTSIDE of my nose!) onto the tip. This may just be needed because the screen protector I use is fairly 'grippy', though - it might not have the slide problems used directly onto the glass screen. I usually just use my finger for the sliding bit and the stylus for everything else.
KennyD
Click to expand...
Click to collapse
Thanks Kenny,
Your feedback is really appreciated!

capacitive pens
I have the one made by Pogo that isn't too bad. It You can do a certain amount of scrolling with it but nothing beats the finger!

Cracked my screen with my thumb

I was picking up my N7 off the night stand and it slipped out of my hands. I grabbed the n7 with my right hand with my thumb on the bottom right corner of the screen and my other 4 fingers bracing the back of the device. I thought I save my self from a horrible drop. Until I saw the cracked going across the bottom of screen across the navigation bar. I must have pressed too hard with my thump when I caught the device. Now my navigation bottoms go crazy. The device is useless. Anywhere I can purchase a replacement lcd + digitizer for a decent price? Or am I better off buying a new tablet.

doctahjeph said:
I was picking up my N7 off the night stand and it slipped out of my hands. I grabbed the n7 with my right hand with my thumb on the bottom right corner of the screen and my other 4 fingers bracing the back of the device. I thought I save my self from a horrible drop. Until I saw the cracked going across the bottom of screen across the navigation bar. I must have pressed too hard with my thump when I caught the device. Now my navigation bottoms go crazy. The device is useless. Anywhere I can purchase a replacement lcd + digitizer for a decent price? Or am I better off buying a new tablet.
Click to expand...
Click to collapse
Ouch, I bet you thought "Thankgod, what reactions WOOP" looks down "Oh FEK"!

Wilks3y said:
Ouch, I bet you thought "Thankgod, what reactions WOOP" looks down "Oh FEK"!
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That is exactly what happened. Lol.

doctahjeph said:
That is exactly what happened. Lol.
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Click to collapse
My first nexus cracked under my thumb pressure holding it in my on the day it came in the mail... I called Google and was told it was a defective screen to crack under pressure of my thumb in my hand.. I WAS given a rma for replacement...Not sure how long you have had yours but you should not be able to crack the screen by holding pressure with your hand ..
yea i know im going to get trolled for this message...
give them a call and see what they say it cant hurt..

erica_renee said:
My first nexus cracked under my thumb pressure holding it in my on the day it came in the mail... I called Google and was told it was a defective screen to crack under pressure of my thumb in my hand.. I WAS given a rma for replacement...Not sure how long you have had yours but you should not be able to crack the screen by holding pressure with your hand ..
yea i know im going to get trolled for this message...
give them a call and see what they say it cant hurt..
Click to expand...
Click to collapse
Not gonna troll you.
Just gonna tell you you've made me extremely paranoid to touch my N7 now.
What are you meant to touch it with? Hair?

erica_renee said:
My first nexus cracked under my thumb pressure holding it in my on the day it came in the mail... I called Google and was told it was a defective screen to crack under pressure of my thumb in my hand.. I WAS given a rma for replacement...Not sure how long you have had yours but you should not be able to crack the screen by holding pressure with your hand ..
yea i know im going to get trolled for this message...
give them a call and see what they say it cant hurt..
Click to expand...
Click to collapse
Thank you. I am definitely going to call Google. It should have not cracked like that.

They should come up with glasses that reads our thoughts and when paired with a tablet it just does what you think....within perspective, lol!
They are probably already on it....no need to worry about touching the tab as much, lol!
Then again I would worry about my glasses, such is life in these fickle times....
Sent from a galaxy far away!

omg no way
JesseMT4G said:
They should come up with glasses that reads our thoughts and when paired with a tablet it just does what you think....within perspective, lol!
They are probably already on it....no need to worry about touching the tab as much, lol!
Then again I would worry about my glasses, such is life in these fickle times....
Sent from a galaxy far away!
Click to expand...
Click to collapse
I Would be in trouble.. I loose my sun glasses atleast 3-5 times a day... I would be in so much trouble...
Your welcome op . I was devastated when my screen crumbled under the pressure of my thumb..This is a awesome device but this new screen technology is very flawed . its just way to thin of glass.. They said there was a spec under the glass on mine.. Anyway good Luck...
Thinking the glasses idea how about contacts or eye implants i cant loose... hummmmm let me know

[How-To] Disassemble your L90 (D415 based)

For reference only! This will absolutely VOID any warranty you may have on your device. If you believe you have a VALID reason to take apart a fully functioning phone, you DON'T! You are responsible for your actions and the reuslt of your actions, don't lay fault with anyone else.
The phone used to create the guide is my first D415. It took a long walk of a short box and shattered the screen. Let's leave it at that, please. And you thought I was going to take apart a fully functioning phone, didn't you?
You shall acquire and assemble in the same place, these items
The phone you wish to disassemble
A "precision" philips head screwdriver (don't know what a philips head is? Please go elsewhere)
A thin piece of plastic, an ID or bank card, guitar pick, even the edge of a plastic knife (file off the "teeth") You get the idea....
Optional items
Small blunt tip tweezers
Container to hold screws and such
Magnet to find the screws you drop (you will drop at least one)
Magnifying glass
Pictures say more with less words, so.....
I missed something when I tried to embed my pictures. For now, please look at the attached photos. Sorry about that.
*****EDIT****"*
there is an excellent video here
******UPDATE******
My apologies for not staying up on this. Life and my One+ One obsession got in the way. As
Refer to video link above for detailed instructions regarding hardware disassembly/reassembly process
I have ordered a WHITE replacement screen to test. Let's hope that it arrives with touchscreen issues.
I will update thread upon arrival of touchscreen.
****** EDIT again ********
Here is a photo album consisting of extra pictures that didn't make the guide. Some have fairly useful info as well as a few DON'T do this or you will break your phone even more pictures.
I've also added an update concerning reversed x axis starting at post #43

ID Numbers to compare
ID #'s are listed to the side. Again, sorry I couldn't embed them. I still searching for a solution....

jran0880 said:
If you believe you have a VALID reason to take apart a fully functioning phone, you DON'T!
Click to expand...
Click to collapse
Reasons, you say? Ha! Since when have I needed... reasons... to do anything?
But anyway, this is a very good guide! Thank you for taking the time to write it with the very detailed pictures! This should definitely be a sticky!
Sent from my LG-D415 using XDA Free mobile app

I have begun the process of disassembling the phone, and so far I was able to get 1 screw out (yay me). Guess what color the screw was? Green.

Very comprehensive guide, you really went out of your way! Kudos!

Please tell me how to get my pictures to display in my post. I thought I followed the instructions I found. However, the OP was from 2012. The link I created for each picture had HTML tags and from reading, xda does not use HTML for security reasons. So I deleted the HTML tags and tried the bb code, with no luck. Your guidance is greatly appreciated. Thanks!

jran0880 said:
Please tell me how to get my pictures to display in my post. I thought I followed the instructions I found. However, the OP was from 2012. The link I created for each picture had HTML tags and from reading, xda does not use HTML for security reasons. So I deleted the HTML tags and tried the bb code, with no luck. Your guidance is greatly appreciated. Thanks!
Click to expand...
Click to collapse
To show pictures, like in @Ilxaot's post above you, they need to be online somewhere. Use the Image tag
and the enter the image URL.
Now as I write this, I cheated with the image in my last paragraph. I copied it from the editor, right click -> Copy, and then pasted it in to the edit box... Weird. That may work too. LOL

jasonmerc said:
I have begun the process of disassembling the phone, and so far I was able to get 1 screw out (yay me). Guess what color the screw was? Green.[/QUOTE
Any luck with the other 10?
Any of the identifiers i posted help at all?
Click to expand...
Click to collapse

Using your guide, I successfully disassembled, replaced LCD and digitizer of my son's phone (like yours, sudden stop at high velocity) with Chinese purchased parts from eBay. BTW, didn't drop one screw lol. However since they weren't OEM parts, I've got the reversed touch I've read about and seen videos of (swipe right, screen moves left; touch right side of screen for a check box on the left side). Any idea of a fix? Let me tell you it was a pain signing into WiFi. Thanks for your guide and photos.

pre4speed said:
Using your guide, I successfully disassembled, replaced LCD and digitizer of my son's phone (like yours, sudden stop at high velocity) with Chinese purchased parts from eBay. BTW, didn't drop one screw lol. However since they weren't OEM parts, I've got the reversed touch I've read about and seen videos of (swipe right, screen moves left; touch right side of screen for a check box on the left side). Any idea of a fix? Let me tell you it was a pain signing into WiFi. Thanks for your guide and photos.
Click to expand...
Click to collapse
Maybe you can flip the digitizer 180°? I dont know if that would be possible (if the digitizer would even be able to fit in the phone the other way) but maybe it will work...
jran0880 said:
jasonmerc said:
I have begun the process of disassembling the phone, and so far I was able to get 1 screw out (yay me). Guess what color the screw was? Green.[/QUOTE
Any luck with the other 10?
Any of the identifiers i posted help at all?
Click to expand...
Click to collapse
I gave up. You see, the eyeglass screwdriver I have is EXTREMELY small and doesn't fit in the screws perfectly, but it's the best I've got. Coupled with the fact that green LockTite is on the screws (green LockTite is the strongest LockTite they make), it pains my fingers to have to keep on jamming down on the screw to get enough of a "hold" on the screw while I turn it. Maybe in the future I'll buy a bigger screwdriver so I can have a better grip on it, but for now I'm done.
It's probably for the better anyway... I probably would have dropped the digitizer in the toilet or something if I got it apart.
Sent from my LG-D415 using XDA Free mobile app
Click to expand...
Click to collapse

jasonmerc said:
Maybe you can flip the digitizer 180°? I dont know if that would be possible (if the digitizer would even be able to fit in the phone the other way) but maybe it will work...
jran0880 said:
I gave up. You see, the eyeglass screwdriver I have is EXTREMELY small and doesn't fit in the screws perfectly, but it's the best I've got. Coupled with the fact that green LockTite is on the screws (green LockTite is the strongest LockTite they make), it pains my fingers to have to keep on jamming down on the screw to get enough of a "hold" on the screw while I turn it. Maybe in the future I'll buy a bigger screwdriver so I can have a better grip on it, but for now I'm done.
It's probably for the better anyway... I probably would have dropped the digitizer in the toilet or something if I got it apart.
Sent from my LG-D415 using XDA Free mobile app
Click to expand...
Click to collapse
Yeah, i dont recommend attempting cell phone disassembly while pearched on the "throne". Not judging! Just a personal decision on my part.
I wish i had the sense to know when to take that deep breath and calmly walk away. If i were in your shoes, the other 10 screws would be rounded out by now. There would be no accidental drop into the toilet, the phone would go down as the only l90 d415 to understand the meaning of swirly.... Wouldve made a great video though.
Click to expand...
Click to collapse

pre4speed said:
Using your guide, I successfully disassembled, replaced LCD and digitizer of my son's phone (like yours, sudden stop at high velocity) with Chinese purchased parts from eBay. BTW, didn't drop one screw lol. However since they weren't OEM parts, I've got the reversed touch I've read about and seen videos of (swipe right, screen moves left; touch right side of screen for a check box on the left side). Any idea of a fix? Let me tell you it was a pain signing into WiFi. Thanks for your guide and photos.
Click to expand...
Click to collapse
It looks like theres a flat connector between rhe 2 pieces. Perhaps it is connected "backwards"? I will look into it on my "donar" phone and see if i can figure something out. Will post findings within a day or 2.
*Edit - check @jasonmerc's reply as well. Good thought!

jasonmerc said:
Maybe you can flip the digitizer 180°? I dont know if that would be possible (if the digitizer would even be able to fit in the phone the other way) but maybe it will work...
Click to expand...
Click to collapse
No that wouldn't work since the digitizer came with the double sided tape but thanks. The buttons also don't work and touch doesn't work at all with the phone laying flat

jran0880 said:
jasonmerc said:
Yeah, i dont recommend attempting cell phone disassembly while pearched on the "throne". Not judging! Just a personal decision on my part.
I wish i had the sense to know when to take that deep breath and calmly walk away. If i were in your shoes, the other 10 screws would be rounded out by now. There would be no accidental drop into the toilet, the phone would go down as the only l90 d415 to understand the meaning of swirly.... Wouldve made a great video though.
Click to expand...
Click to collapse
Oh no, I'm not disassembling it there XD I'm doing it in my room. Just a bad joke on my part... With my luck, I'd have the digitizer laying half-off my desk, and I'd accidentally launch it in the air my hitting my hand on the part off the desk. It would then travel in the perfect arc to the bounce off the hallway wall, enter the restroom, and drop in the "throne" because the lid was left open.
I think some of the screws are actually a bit rounded off, but not to the point of not being able to work with them. That's part of the reason why I'm hesitant to proceed; I don't want to round them off completely because my screwdriver doesn't perfectly fit. I'd greatly appreciate if someone told me the exact screwdriver they used to disassemble this, and maybe where it was bought as well.
If all else fails and something breaks or the screws get rounded off completely, I'll grab a sledgehammer and finish it off. I'll even upload a video of it (and call it "How-To: Quick Disassembly of the L90")
pre4speed said:
No that wouldn't work since the digitizer came with the double sided tape but thanks. The buttons also don't work and touch doesn't work at all with the phone laying flat
Click to expand...
Click to collapse
Hmm... Then there's gotta be some sort of manual screen calibration app out there. I'll look for one and post back if I find anything.
Sent from my LG-D415 using XDA Free mobile app
---------- Post added at 05:14 PM ---------- Previous post was at 04:41 PM ----------
I found a thread talking about how to calibrate the touch screen of a chinese android tablet. I haven't read it yet, so I personally don't know if this will work or not for the L90, and if they do the instructions you will have to follow will probably be way different when it comes to actually calibrating. Quickly looking at the thread it looks like one will need ADB and a computer to do this.
HERE IS THE LINK TO THE THREAD
I'd say hold off on doing this until I or someone more technically experienced can confirm that this would work. If you do want to give it a go, please realize you are proceeding at your own risk.
EDIT: Having read the thread, those values for the screen are going to be different for the L90 since the screen resolutions are different. We are going to have to find the values for the L90 and then invert the X axis values and that should solve your touch screen inversion (we are basically creating a double-inversion. Who says two wrongs don't make a right?)
Click to expand...
Click to collapse

jasonmerc said:
jran0880 said:
Oh no, I'm not disassembling it there XD I'm doing it in my room. Just a bad joke on my part... With my luck, I'd have the digitizer laying half-off my desk, and I'd accidentally launch it in the air my hitting my hand on the part off the desk. It would then travel in the perfect arc to the bounce off the hallway wall, enter the restroom, and drop in the "throne" because the lid was left open.
I think some of the screws are actually a bit rounded off, but not to the point of not being able to work with them. That's part of the reason why I'm hesitant to proceed; I don't want to round them off completely because my screwdriver doesn't perfectly fit. I'd greatly appreciate if someone told me the exact screwdriver they used to disassemble this, and maybe where it was bought as well.
If all else fails and something breaks or the screws get rounded off completely, I'll grab a sledgehammer and finish it off. I'll even upload a video of it (and call it "How-To: Quick Disassembly of the L90")
Hmm... Then there's gotta be some sort of manual screen calibration app out there. I'll look for one and post back if I find anything.
Sent from my LG-D415 using XDA Free mobile app
---------- Post added at 05:14 PM ---------- Previous post was at 04:41 PM ----------
I found a thread talking about how to calibrate the touch screen of a chinese android tablet. I haven't read it yet, so I personally don't know if this will work or not for the L90, and if they do the instructions you will have to follow will probably be way different when it comes to actually calibrating. Quickly looking at the thread it looks like one will need ADB and a computer to do this.
HERE IS THE LINK TO THE THREAD
I'd say hold off on doing this until I or someone more technically experienced can confirm that this would work. If you do want to give it a go, please realize you are proceeding at your own risk.
EDIT: Having read the thread, those values for the screen are going to be different for the L90 since the screen resolutions are different. We are going to have to find the values for the L90 and then invert the X axis values and that should solve your touch screen inversion (we are basically creating a double-inversion. Who says two wrongs don't make a right?)
Click to expand...
Click to collapse
Figured out how to obtain th XY values for normal screen, if someone can figure out where modifications need to be made, Im thinking framework? The values for XY can be enabled in Developer Options - show touches and XY values. Turns out 10 taps to become a developer (its true cuz i read the toast) has other useful tools. I will decompile any suggestions related to touch screen calibration.
Brings back found memories of the famed L9 P769. It only took me 6 unintended 911 calls to reflash back to stock. Yep, 6! 5 with no sim. Took less than 2 seconds to pinpoint location on last few calls. 5 cars fully lit in my front yard and another 2 setting perimiter. Not once, but twice! Threat of jail made the choice to stop obvious.
"What are you in for?"
"I tried to unlock my bootloader." :cyclops:
Click to expand...
Click to collapse

jran0880 said:
jasonmerc said:
Figured out how to obtain th XY values for normal screen, if someone can figure out where modifications need to be made, Im thinking framework? The values for XY can be enabled in Developer Options - show touches and XY values. Turns out 10 taps to become a developer (its true cuz i read the toast) has other useful tools. I will decompile any suggestions related to touch screen calibration.
Brings back found memories of the famed L9 P769. It only took me 6 unintended 911 calls to reflash back to stock. Yep, 6! 5 with no sim. Took less than 2 seconds to pinpoint location on last few calls. 5 cars fully lit in my front yard and another 2 setting perimiter. Not once, but twice! Threat of jail made the choice to stop obvious.
"What are you in for?"
"I tried to unlock my bootloader." :cyclops:
Click to expand...
Click to collapse
I don't know, I think we just need to go to that file that is mentioned in the calibration thread, and whatever values are for the Y axis, just change them to a negative, since according to a video I saw of this issue with 3rd party digitizers in the L90 only the vertical axis is inverted (touch on the left side of the screen, and it registers on the right side). Of course, that is assuming that 0 on the vertical axis is in the middle of the screen. If not, then it will involve a little more math to get stuff right. Shouldn't be too difficult, though.
It's probably too late to suggest this now, but I believe GravityBox or some other Xposed module can remove the emergency call button from the lockscreen.
EDIT: Just checked the /data/data directory and I did not see any touchscreen calibration data folder. I did also read something about these Chinese android tablets coming with a TSCalibration2.apk (TouchScreenCalibration) program, so maybe you need to install that first before you can find the folder since that folder is probably the data for this app. I've had zero luck so far finding a download link for this file. Will report back if I find anything.
Sent from my LG-D415 using XDA Free mobile app
Click to expand...
Click to collapse

Truly appreciate all the work you are doing trying to help me out. I'm thinking its not going to be fixable. I would contact the seller and return the part, but return shipping to China would probably be more than the phone is even worth. I was even thinking to just put the original screen back on but the double sided tape is basically destroyed. It was only the LCD that was damaged in the sudden stop, the screen didn't crack at all.

pre4speed said:
truly appreciate all the work you are doing trying to help me out. I'm thinking its not going to be fixable. I would contact the seller and return the part, but return shipping to china would probably be more than the phone is even worth. I was even thinking to just put the original screen back on but the double sided tape is basically destroyed. It was only the lcd that was damaged in the sudden stop, the screen didn't crack at all.
Click to expand...
Click to collapse
I will be updating the OP to show FULL disassembly soon. I need to sort out the pictures and point out some things to watch out for as well as some DEFINATELY DON'T DO THIS items.
The parts that appear functional are availlable for donation, FREE of CHARGE (aside from the cost to ship via USPS flat rate box) to help another, less broken D415, continue life. The lcd assembly is yours if you'd like.
I will include a list of parts for donation in the OP.
Also, if you want to try tinkering around with the screen calibration, here is the TSCalibration2.apk (It is a system app from my VisualLand prestige 7L).
http://1drv.ms/1vrxBoX
Don't toss it to the curb just yet. And the double sided tape is WAY easier to fix than UV glue! Thank you LG for that. I'm seeing low priced OEM glass for the D415 starting to show up on eBay and amazon, as well.
And I still don't know what I'm dong wrong when I try inserting full pics instead of thumbs!

jasonmerc said:
jran0880 said:
Oh no, I'm not disassembling it there XD I'm doing it in my room. Just a bad joke on my part... With my luck, I'd have the digitizer laying half-off my desk, and I'd accidentally launch it in the air my hitting my hand on the part off the desk. It would then travel in the perfect arc to the bounce off the hallway wall, enter the restroom, and drop in the "throne" because the lid was left open.
I think some of the screws are actually a bit rounded off, but not to the point of not being able to work with them. That's part of the reason why I'm hesitant to proceed; I don't want to round them off completely because my screwdriver doesn't perfectly fit. I'd greatly appreciate if someone told me the exact screwdriver they used to disassemble this, and maybe where it was bought as well.
If all else fails and something breaks or the screws get rounded off completely, I'll grab a sledgehammer and finish it off. I'll even upload a video of it (and call it "How-To: Quick Disassembly of the L90")
Click to expand...
Click to collapse
*Slow Clapping*
Link to screwdriver I used:
http://www.homedepot.com/b/Tools-Ha...tt-hdx+4+in+1?Ntx=mode+matchpartialmax&NCNI-5
@whodisname likes the bit set in this post: http://forum.xda-developers.com/showpost.php?p=56592768&postcount=1037
Click to expand...
Click to collapse

jran0880 said:
I will be updating the OP to show FULL disassembly soon. I need to sort out the pictures and point out some things to watch out for as well as some DEFINATELY DON'T DO THIS items.
The parts that appear functional are availlable for donation, FREE of CHARGE (aside from the cost to ship via USPS flat rate box) to help another, less broken D415, continue life. The lcd assembly is yours if you'd like.
I will include a list of parts for donation in the OP.
View attachment 3024455
View attachment 3024456
Also, if you want to try tinkering around with the screen calibration, here is the TSCalibration2.apk (It is a system app from my VisualLand prestige 7L).
http://1drv.ms/1vrxBoX
Don't toss it to the curb just yet. And the double sided tape is WAY easier to fix than UV glue! Thank you LG for that. I'm seeing low priced OEM glass for the D415 starting to show up on eBay and amazon, as well.
And I still don't know what I'm dong wrong when I try inserting full pics instead of thumbs!
Click to expand...
Click to collapse
Thank you for the offer! That is very kind of you, however, the lcd seems to function fine. It's the touchscreen that is wonky. As for the pictures, I use tapatalk, so I only know how to insert via the app which is