[APP/TUTORIAL] Change A850's DPI (Density, Resolution) (Root needed) - Lenovo A850

Hello everybody,
What is DPI:
Dots per inch (DPI) is a measure of spatial printing or video dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm). The metric alternative is dots per centimeter (dpcm).
Monitors do not have dots, but do have pixels; the closely related concept for monitors and images is pixels per inch or PPI.
[Read more...]
Why to change the DPI:
Most manufacturers stick to the standard DPI of 240 which in our case, on a big screen, everything is too big compared to other phones.
Since the scale is the same with other phones, our big screen makes no difference (because we see everything bigger and we do not see more).
This can be fixed to each ones need when you change the DPI.
Images:
Left is the default DPI: 240 - Right is my custom DPI: 200
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How to change the DPI:
There are some ways to change the DPI, i will describe an easy one by using a free APP called LCDDensity for Root and a manual method.
CAUSION: Messing with the DPI may cause instability and some times boot problems, so BACK UP before trying anything.
Steps: (after making a back_up)
METHODE 1 - App from store, the density resets to default after a reboot.
1. Install LCDDensity for Root.
2. Open the "LCDDensity" app (click continue on the first screen) and sellect the density you want (default is 240), you better go from 180 to 240 (between these values) , i am using 200.
3. Sellect as reboot method: killall
4. Click "Apply (Restart)", your phone will reboot
5. Enjoy
METHODE 2 - Edit manually the build.prop, the density will be changed even after a reboot.
1. Open a Root Explorer (like the app Root Explorer).
2. Go to /system
3. Click on Mount RW (It should appear as Mount RO, that’s when it is correct!)
4. Look for build.prop. Long press on the file and press Open file in Editor
5. Scroll down and find the "ro.sf.lcd_density=240"
6. If you find it change the value to what you like else write that in a new line at the bottom (ex. ro.sf.lcd_density=200)
(Change the value to anywhere between 180 and 240. The lower the value, the higher density your screen will have.)
7. Click on the Menu button, and Save and Exit.
8. Reboot. Enjoy
Method 2 was copied from here: http://wccftech.com/article/increase-screen-dpi/
PS:
- I advice you, first to use the app to see which density you prefer (and avoid compartibility problems) since with a reboot things will get back to normal.
- If you have any problems on the reboot, restore your system from CWM
Bugs:
- The answer/reject call buttons are not in the middle of the screen... big deal

1 question
How i want change permenent. After reboot back to normal large. Sry bad english

You can manually set it from a system file but i havent test it yet...
Edit: take a look at the first post

Please help
I perform this procedure to increase the pixel density of the screen without backup or anything, just the phone prendi install the application, the phone will reboot and the logo does not pass, we made ​​about 100 times eh restoration manufactures and still nothing hanging on the logo and no more moves that I can do please help really is the agradeseria far the phone is new I have no 24h the phone and no longer works, I beg you help me = (

JJ_4380 said:
I perform this procedure to increase the pixel density of the screen without backup or anything, just the phone prendi install the application, the phone will reboot and the logo does not pass, we made ​​about 100 times eh restoration manufactures and still nothing hanging on the logo and no more moves that I can do please help really is the agradeseria far the phone is new I have no 24h the phone and no longer works, I beg you help me = (
Click to expand...
Click to collapse
Relax, your phone is ok...
Just flash a new ROM. You lost your data not the phone... a flash video for lenovo a850

LCDDensity app link unaccesible.
Any alternative? I do not want to edit my build.prop cuz it's all numbers and codes.
ty

irfanadli97 said:
LCDDensity app link unaccesible.
Any alternative? I do not want to edit my build.prop cuz it's all numbers and codes.
ty
Click to expand...
Click to collapse
Actually, changing the build.prop, if you know, is the easiest way to go.
I will look for the link now...

GreatApo said:
Actually, changing the build.prop, if you know, is the easiest way to go.
I will look for the link now...
Click to expand...
Click to collapse
Teach me how to understand build.prop
I really don't have experience handling codenames, codes and thingys.

irfanadli97 said:
Teach me how to understand build.prop
I really don't have experience handling codenames, codes and thingys.
Click to expand...
Click to collapse
This = that ... that simple... you find density and you change it. Save -> Reboot... problem solved BUT you should know in what value you want to change it....

Used the app...
It said on the fly, but none of the buttons worked. Need to reboot?
Also author is super kind to give us a LMGTFY(!!!) link and choose the top search results.:banghead:
This was sent from my Lenovo A850 via XDA mobile app.

Related

[App] [Root] LCDDensity (safe)

Here video from app I'm developing:
http://www.youtube.com/watch?v=UxD65fDYSGw
Idea is simple - change LCD density without modifying build.prop and almost on the fly.
Application will change LCD density in system, changes will not survive reboot (so if you have wrong settings, pull out battery or restart device and you are back to old settings). For now best way to change density is to reload Android software stack (it will seems like crash but it's intended to be this way).
Now available from Play
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Looks Very Nice Going to test it out on my Rooted Cliq (2.1) Tell you how it goes
Edit: It works fine on my phone w/o issues detected
Sweet! Downloading and trying ASAP!
From what I've seen on video, you're not having so called "Compatibility mode" to resize apps to new density, am I right? It would be a sweet feature.
So, I see there is rival to "LCD Density Changer" :}.
It was quick and dirty test Released test version auto scale should work.
About "LCD Density Changer" - both programs differ in a way how changes are preserved. My program does not write anything on /system, so it's better for those who wants "high res" effect to be available quickly but not all the time (or those who use "LCD Density Changer" and wants to play some games that's not compatible with high resolutions ). "LCD Density Changer" saves edits to /system partition - for long term use.
I know I know, but you must admit - effect is pretty the same . It is not definitive in one case, which has its pros and cons.
Regardless how cool idea is, I have a problem with app - I installed it, opened it, choosed one option and... nothing. Tried it on 1.6 (official Donut for my country, rooted + busybox) and for Froyo (CM6), same issue .
Please try with newest package.
Honestly, no need for it now . App had some hard times asking for superuser permission, but when it did, everything just works! Great app. Still some features like returning to default density and compatibility mode are good to have .
Thanks a bunch, great piece of code!
Very interesting app!..andyes, return to default would be very nice.
Sent from my Nexus One
Salku said:
Looks Very Nice Going to test it out on my Rooted Cliq (2.1) Tell you how it goes
Edit: It works fine on my phone w/o issues detected
Click to expand...
Click to collapse
how'd you get it working im using j_r0dd's rom and nothings changing.
kemberdog said:
how'd you get it working im using j_r0dd's rom and nothings changing.
Click to expand...
Click to collapse
I'm not using j_r0dd's rom in fact im using [Rom] adlxmod 2.0.2 - Android 2.1 with Motoblur. I should of been rather specific, if you need further proof I can use a screenshot of one.
The problem is that it doesn't use busybox. It relies on built-in unix commands. Busybox implementation will fix it.
Implemented this in my app as "preview". Happy to see a competitor
Does it fix the touchwiz scaling problem on Galaxy S?
nothing changed, using wildfire rooted.
aaaccc said:
nothing changed, using wildfire rooted.
Click to expand...
Click to collapse
Which setting did You tried?
i tried 120, and then the phone rebooted and continuously rebooted for a while until i remove the battery.
work on motorola cliq. thx mate.
Tried on Nexus One.
120 rebooted but didn't do anything.
Tried 180, 200, 220 which all worked, but everything looks too weird for me. Didn't like it. Went to 240 which seems like back to default.
works nice setted now on 120 on my htc hero
Total fail on my Vibrant. Selected 200 (the recommended setting for Galaxy S/Vibrant), and the screen simply went blank, phone froze completely requiring battery pull.
At least it didn't change anything permanently, so I guess it's safe. But it doesn't work.
Lots of good reports from the T-Mobile Pulse community, works perfectly!

[App][2.3+] - CameraParameters, modify camera beyond api

Greetings all, this is my first app, and first post on this forum (though I've been reading it for some time before i registered). I've written a simple camera app that lets you view and explore all the parameters for your camera. This app was meant to read, modify and display the results of various camera parameters, as returned by the flatten() method. It is not designed to enhance your images, but to let you learn more about the cameras attached to your device and their features.
All parameters that are modified are set using set(String key, String value). This seems to work even for parameters that take an int value, such as jpeg quality.
I would like some feedback, especially on the UI. The values to change are entirely text based, which takes up a fair amount of screen real estate. I'm open to suggestions or other ideas.
Notes:
Only landscape mode is supported
Pictures are saved to DCIM\Camera
Gallery is not refreshed immediately
Supported Camera parameters are dumped to a text file in DCIM\Camera when the app launches
Parameters that are named "<whatever>-values" are not added to the dropdown, as they are presumably just a list of what values are possible for a given parameter.
Hardware tested on:
Samsung Galaxy Ring
Kyocera Rise
Acer Iconia A100
Any feedback is appreciated.
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View attachment CameraParams.apk
Hello, @Jat82.
When I open the application the value for param stays as "none", is this normal or it should show other value?
Maybe it's a bug from my ROM/device because third camera apps doesn't show the image in screen. I don't have other device to test it, sorry.
I think the UI of your app can be upgraded, maybe you can rearrange all box and buttons to one side of screen.
eduds said:
Hello, @Jat82.
When I open the application the value for param stays as "none", is this normal or it should show other value?
Click to expand...
Click to collapse
It's just the default text, it should change to whatever text you enter when you tap it.
Maybe it's a bug from my ROM/device because third camera apps doesn't show the image in screen. I don't have other device to test it, sorry.
Click to expand...
Click to collapse
Sorry, i don't understand what you mean by "third camera apps", can you explain it a bit more? You have a third camera on your device that appears in the cameras dropdown, but doesn't display a preview?
Jat82 said:
It's just the default text, it should change to whatever text you enter when you tap it.
Sorry, i don't understand what you mean by "third camera apps", can you explain it a bit more? You have a third camera on your device that appears in the cameras dropdown, but doesn't display a preview?
Click to expand...
Click to collapse
I attached two screenshots of your app, you can see the param is always "none".
You can also see the black screen.
Yes, the preview is not displayed but I can take pictures normally.
On Moto Razr I, FC when i put the front camera ON.
Enviado desde el Moto Razr I. México Df.
I have an issue with this. My photos aren't saving to anywhere I can find them.My phone is a Samsung Galaxy Rush.
/storage/sdcard0/DCIM is the pathway my photos normally save to. Is there a way to fix this?
Thank you all for the feedback, I'm back from the holidays, and have resumed work on this project. There are some minor updates:
-"C!" (Capture) button removed and minor UI adjustments
-Selecting a parameter should now populate the edit text with the current value for that parameter
-Long press on the preview image to capture an image, or..
-Press the hardware camera button if your device has one*
-All images captured are now stored in <your device>/CameraParams. This folder will be created if it does not exist
-Camera parameters are dumped into the above directory, one "raw" unformatted file, and another one with human-readable formatting
*Press it rather quickly, holding the hardware camera button may launch a camera intent, where your system will load your default camera app, which makes things go ...bad.
Todo:
-Proper enumeration and selection of available camera devices
-User-definable storage paths, so you can save to phone, sd card, usb device, whatever is attached..
-Continued UI refinement
-Refresh Gallery/Media db after saving images
-??? What else is needed or wanted from a camera utility?
Hello I am a beta tester form http://forum.xda-developers.com/showthread.php?t=1927116
I have a ace plus, 2.3, rooted phone.
I downloaded the app an found that it crashes when I try to open it.
I even downloaded the app twice or thrice and still same result so please correct it
Sent from my GT-S7500 using Tapatalk 2

Mini-Guide Adb installation and usage

How to run ADB on Windows for the MediaPad X2 ( and probably other Huawei devices ) :
* Windows: Download the HiSuite from Huawei ( for the adb drivers )
http://consumer.huawei.com/minisite/HiSuite_en/
* Windows: Download the adb 15 second installer ( and install with admin level )
http://forum.xda-developers.com/showthread.php?t=2588979
* Smartphone/Tablet: Set your device to USB debug mode
- Go to Setting - About Phone
- Press 7 times on the Build number until you see a message that you have access to the developer options
- Go to Setting - Developer options
- Enable "USB debugging"
* Windows: Run the abd command
- Search for cmd, right click and select "Run as Administrator"
or
- Go to c:\windows\system32\cmd.exe, right click and "Run as Administrator"
* CMD box:Enter the following commands:
- cd c:\adb
- run the command you need.
For instance to change the DPI for your phone / smartphone:
- adb shell wm density 280 ( or whatever number you need. The X2 runs at 400, the Sony Z Ultra runs at 320 ).
Reboot your device after making changes
Hi. Any way to get the drivers alone, without installing all hisuite?
Thx
Can you post some screen shots of the X2 running in 280dpi please ?
What the advantages of changing the dpi ? is it you can get more on the screen ?
Is it possible to change dpi using an app and could it be set on a "per app" basis ?
I don't want to screw up EMUI
Thanks
Mark
Sent from GEM-703L on 3 network in UK using XDA Free app
elio321 said:
Can you post some screen shots of the X2 running in 280dpi please ?
What the advantages of changing the dpi ? is it you can get more on the screen ?
Is it possible to change dpi using an app and could it be set on a "per app" basis ?
I don't want to screw up EMUI
Thanks
Mark
Sent from GEM-703L on 3 network in UK using XDA Free app
Click to expand...
Click to collapse
The dpi changes can always be undone. So you are not going to screw up EMUI.
Here are some pictures that ajsmsg78 posted:
http://forum.xda-developers.com/showpost.php?p=62462003&postcount=12
You gain about 60% more content on your screen in Chrome etc... At 400 ( default ) dpi, the X2 its screen content is nothing but a oversized smartphone. With 280dpi, its a tablet with way more usable area.
At first i also doubted if it was worth the effort, because it took me a long time to figure out all the steps. That is why i wrote this manual, so its way more easy for other people. Will it screw up EMUI, yea, for a part:
The new installed program icon's will have a green area. The basic 5x5 will not change size with the new DPI ( because Hauwei is so stupid as to hardcode the grid size around the 400 dpi ). But you can use any other launcher instead of the EMUI launcher. I kind of like Action 3 ( Action launcher 3.5 ) as a replacement.
The few disadvantages are really few, compared to the massive gains you get. The Sony Z Ultra was running in 320dpi and still had chrome in smartphone mode ( no tabs etc ). 280dpi on the Sony's 6.4" was not feasible. But on this 7" X2, 280dpi is the perfect size and it opens up several programs there tabled mode.
elio321 said:
Can you post some screen shots of the X2 running in 280dpi please ?
What the advantages of changing the dpi ? is it you can get more on the screen ?
Is it possible to change dpi using an app and could it be set on a "per app" basis ?
I don't want to screw up EMUI
Thanks
Mark
Sent from GEM-703L on 3 network in UK using XDA Free app
Click to expand...
Click to collapse
Make sure you check these threads daily. A lot of stuff gets posted that you may not have seen and then the same questions get asked over and over again. You could even start a new thread in the Q&A section asking for someone to post pictures of what the phone looks like at 280dpi. You'd probably get a faster response if you did that. It makes it easier to look through each thread if we all keep the topic about what the original post was about. :good:
Thanks very comprehensive answer
I want to set my dpi to 280 now but can't without access to my laptop
Will have access to computer in a few days and will do it then
The X2 has to be connected to the lap top
Sent from GEM-703L on 3 network in UK using XDA Free app
Wow! Something new to think about! I assumed that you saw MORE content on the display because the display is bigger. But now I understand that's not the case. If you do what's on the instructions that Benjiro figured out does that void the warranty?
Sent from my SCH-I605 using Tapatalk
Help
So I followed the steps to a T and was able to get my booloader unlocked. But now with the Rooting I can't seem to find my device. It finds it with Fastboot but not adb. I've tried 3 different computers and usb cords with the same results. I just want to root this, any adb advice would be greatly appreciated.
I'm getting can't find device.
t69broken said:
So I followed the steps to a T and was able to get my booloader unlocked. But now with the Rooting I can't seem to find my device. It finds it with Fastboot but not adb. I've tried 3 different computers and usb cords with the same results. I just want to root this, any adb advice would be greatly appreciated.
I'm getting can't find device.
Click to expand...
Click to collapse
I get the same "cannot find device" error but ADB still works. Try the commands and see if they work. Or update your Android Platform tools to the newest version.
Hi!
Thanks for the guide!
Is there a way to fix the navbar disappearing in horizontal mode? When I hold the X2 in landscape mode the Navbar is still there (a black stripe) but the Back/Home/Recent Apps Buttons are missing. Tried several DPI settings.
EDIT!
For some reason it works now! The navbar is now on the right side of the screen when in landscape mode! I switched DPI several times one after another (280, 320, 400, 330, 300, 280, 320 something like that) and rebooted and somehow it works (320DPI).
But there is one big problem: the famous and extremely useful keyboard "Swiftkey" becomes totally unusable below 400 dpi.
A big disappointment more on this X2 ....
No problem if you change dpi via the kangvip menu
For this install AJ's B211 Rom
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My device: 701->703 Kang VIP B209

Change display resolution (2k to fhd)

Yes, the first thing i want to say : "Nokia can change screen resolution 2K to FHD" but they don't release this in setting.
So i have a way to solve this problem, follow steps by step.
.
First u need install app " QuickShortcut Maker"
-open this app and accept permission, in activities tab find setting *com.android.setting* and click this.
-Pull down the bottom and pull up and find setting *display resolution* and choose it, then click "Try"
Now u can choose resolution that u want.
p.s : If u want make the icon bigger, change "DPI" in ur devlopment setting. The default is 376.
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"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
.
sorry about for my english. but i have somethings about battery i want say to you.
First- Does it get more battery ... ?
yes but not to much. And working for those who play game.
so Why ?
for example ur display is 2k with 5xx dpi. when u decrease to fhd it down to 4xx dpi. Then when u play game with display FHD, gpu will use lower performance compare with display 2k.
Two- Some problem happen with this change ?
sure... the first is glance (so for those who always use this setting, dont try change resolution)
-some other problem (like get airplane mode,....etc ) . I will say "no".
me and my friend on my group no one get any the other problem except glane setting. So for those who get other problem.... are u launch other shorcut in shorcut maker ? .Because i try and get error same. So... factory reset and forget my post
Awesome. It works I didn't find "Shortcut Remake" app but I found a similar app "QuickShortcutMaker".
@op are you vietnamese?
omarali95 said:
Awesome. It works I didn't find "Shortcut Remake" app but I found a similar app "QuickShortcutMaker".
Click to expand...
Click to collapse
Yes, that it.... Sorry for my fault
climhz said:
@op are you vietnamese?
Click to expand...
Click to collapse
Hi... Yes ... Sorry for my bad english
Doesn't do anything but it's in there too
ValKyre said:
Hi... Yes ... Sorry for my bad english
Click to expand...
Click to collapse
Don't be sorry, I'm vietnamese too ?
It doesn't need root permission. Thanks for sharing us .
any change on battery life?¿
Wow, thanks OP. FYI the app link https://play.google.com/store/apps/details?id=com.sika524.android.quickshortcut and you can just type resolution in the Activities tab.
Since I changed the resolution, the phone is put in random airplane mode. I came back to the original QHD settings
Wow, this is a great discovery, I benchmarked my Nokia 8 using GFX Benchmark and found out that performance is significantly improved. Check it out
Nokia FHD https://www.dropbox.com/s/0xkewxfonpmpnxe/nokia8_FHD.png?dl=0
Nokia QHD https://www.dropbox.com/s/dt90w0sli8fttdm/nokia8_QHD.png?dl=0
SoT improvement!
I believe the screen on time has improved greatly under heavy workload specially in games.
I was still left with 22% of battery after 6 hours of heavy usage.
Some battery life for me , no changes
This actually works and what's it's more important, stays after reboot.
After installing app just type "resolution" this will take you to hidden setting.
Phone is definitely a little bit faster, not sure about baterry etc.
Lots of interesting findings in the Settings app, including face unlock but so far other than what the OP said, only Gaming Mode is working. Others are either not working or have no effects on my device.
Help ! I can't return to 2k resolution. when selecting QHD+ it doesn't change.
Micarle said:
Help ! I can't return to 2k resolution. when selecting QHD+ it doesn't change.
Click to expand...
Click to collapse
drag to qhd. u can use cpu z to check display resolution.
if nothing change. try reset ur phone and do again.
if nothing change again... try factory reset
Nokia FHD https://www.dropbox.com/s/0xkewxfonpmpnxe/nokia8_FHD.png?dl=0
Nokia QHD https://www.dropbox.com/s/dt90w0sli8fttdm/nokia8_QHD.png?dl=0[/QUOTE]
thank u <3
please tell me how to get rid of random airplane mode, I changed the resolution back to 2k and it still goes to airplane mode at random.

HTC U ULTRA -_ Battery Standby Improve Tip (NO ROOT)

Hi guys,
I am happy to share with you a simple tip which will improve your battery performance.
The main trick about this is to lower the display resolution. For doing this you need the following:
A PC/MAC
ADB Drivers
An HTC U ULTRA
A brain.
Step 1 - You install the ADB drivers on your computer.
Step 2 - Enable Developer option on your HTC U ULTRA.
Step 3 - From developer option check USB Debugging
Step 4 - Connect your phone via USB Cable to your PC
Step 5 - Check your adb conection by running this command on your PC terminal : adb devices.
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"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Step 6 - input this command : adb shell
Step 7: to change your screen resolution input: wm size 1080x1920
this will turn your phone at 1080p.
Step 8 - adjust your dpi on how you prefer using the following command: wm density 480
For this you can choose whatever you prefer. I prefer 480 on 1080p resolution.
Step 9 - Enjoy
You can go even further and try something like 900x1600 this will make your phone really snappy and will also improve your battery life. It's true, the image is not so sharp but, you get used to it.
If you want to revert to original try the following : wm size 1440x2720
The density it's up to you, You can also reset the density from Display settings form your phone.
This will work on a non-rooted devices, so, enjoy your new battery performance.​
Why would this improve battery life?
Beretta93 said:
Why would this improve battery life?
Click to expand...
Click to collapse
Because lowering your resolution will stress your phone battery less.
Don't be rude.
demian12 said:
Because lowering your resolution will stress your phone battery less.
Don't be rude.
Click to expand...
Click to collapse
When was I rude?
And how is resolution stressing battery? How much SoT did you gain? Please elaborate.
demian12 said:
Hi guys,
If you want to revert to original try the following : wm size 1440x2720
The density it's up to you, You can also reset the density from Display settings form your phone.
This will work on a non-rooted devices, so, enjoy your new battery performance.[/LEFT]
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Please correct this - HTC U Ultra has two displays - resolution of big one is 1440x2560 (not 1440x2720) so if you want to revert resolution to default one this is correct: wm size 1440x2560
If you try 1440x2720 resolution, image will be bigger then screen so you will not see bottom.
cile1977 said:
Please correct this - HTC U Ultra has two displays - resolution of big one is 1440x2560 (not 1440x2720) so if you want to revert resolution to default one this is correct: wm size 1440x2560
If you try 1440x2720 resolution, image will be bigger then screen so you will not see bottom.
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Hava you tried it?
demian12 said:
Hava you tried it?
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Yes. Image was bigger then screen, so bottom was hidden... You can see resolutions of screen on gsmarena - main screen is 1440x2560 and secondary is 1040 x 160 (https://www.gsmarena.com/htc_u_ultra-8519.php). So, when you add up 2560 and 160 you get 2720...
I'm on Oreo, single SIM version.
---------- Post added at 10:56 PM ---------- Previous post was at 10:53 PM ----------
demian12 said:
Hava you tried it?
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Also, in Oreo you can change dpi in settings on the phone...
cile1977 said:
Also, in Oreo you can change dpi in settings on the phone...
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from where ?
The most power-hungry part of the screen component isn't the screen resolution, but the backlight. Though these commands are easy to execute but I don't think its worth for the effort to extend your SOT for not more than 20%. Correct me if I'm wrong
Terror23 said:
from where ?
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Display, gestures & buttons -> Display size
Very informative

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