Questions tagged [os]

An operating system (OS) manages the computer hardware in a device, such as the screen, keyboard, memory or wireless devices, performs basic control and maintenance of the running device. It also provides a software platform and services that applications can run on. Android is an OS, as are Microsoft Windows, Mac OS and Linux.

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39 views

I deleted the OS of my Samsung Tablet 10.1 P7500. Now it doesn't work

It turns on, but only the Samsung logo appears. Can I recover it? I have a really old tablet - a Samsung 10.1 P7500, and the apps weren't working. I was trying to follow an online tutorial to install ...
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23 views

Does our device or geolocation services save all history about our locations?

Does our device or geolocation services save all history about our locations? I mean all places where we were during a week , month, year are saved? where they are stored and how we can delete all ...
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If we want to give the apps fake geolocation datas is it enough to change only the GPS data or i need to change all datas that are transsmitted?

When we change the GPS data using fake GPS app the cell id of our BTS still shows completely different region (the region of our real location). Isn't that enough for third-party applications to ...
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Is it possible to change the geolocation settings or completely disable geolocation for smartphone with developer mode?

Can I change the geolocation settings with developer mode? For example make the main positioning mode with using only WI fi network instead of using GPS +GSM +WI fi? Or it can be done only with root?...
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Custom rom can I trust? Can I install pure android instead?

I have a "galaxy tab E" device, it is old in years, but it is quite new because I don't use it very often. The problem is, it has android 4.4.4. I notice it has a custom rom to install ...
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1answer
62 views

How can we trick an android device that the device does not get our real location?

Is it possible to make the Android Operating System receive false location data or not receive any data about our geolocation at all. And how we can do it in the maximal clean way so that the third-...
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How to reinstall of Android on a tablet?

I am learning Android app development. I wanted a cheap tablet to test how apps looked on tablet as opposed to mobile. I bought a cheap tablet from wish.com. OK, stop laughing at that last bit... it ...
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Upgrade HCL ME V1 tablet to make it usable again

I have HCL ME V1 tablet : preinstalled with Android 4.0.4 (Ice-cream Sandwich) OS. It has 4GB of internal SD memory 1GB DDR3 RAM and 1 GHz, Cortex A8 processor It used to work fine when I had bought ...
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Is it possible to run old apps on newer versions of Android? If so, how?

I'd like to run an older app that is no longer compatible with my current OS. However, I don't want to set my device back to an older OS. Is there any way to make old apps work with a newer OS, or is ...
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Android 11 permission showing soft permission dialog

Is this issue with android 11 where android 11 showing soft dialog? While showing android permission in android 11 (Nexus), and click back button, dialog getting dismissed. Is this new way of ...
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1answer
58 views

Where are the download images for Android?

I'm attempting to update my older Samsung 10.1 to a newer version of Android (7.1) which has been confirmed on a few sites that it's working. However, the only download links I've found are on sites I'...
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How to stop notification sound from playing three times?

I noticed several years ago after getting a new phone that newer versions of the Android software seem to play my notification sound three times. Prior to this phone it only ever played once. It gets ...
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installing lineageOS on Huawei VNS-L31

I want to install LineageOS on my phone, Huawei VNS-L31 but I'm afraid that it couldn't be supported especially after I couldn't find it on lineage website but found some websites that claim it could ...
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1answer
53 views

Can I install Android using Android studio on any supporting devices?

I have a Samsung phone. I don't know anything about installing Android and about Android Studio. Can I install Android on it using Android Studio?
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1answer
84 views

Is it Possible to Create an Operating System for Android Devices?

Is it possible to run an operating system other than Android on Android devices? I know that the bootloader is hard-coded into the firmware and even if you tried you can't change what it does but what ...
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43 views

is it possible to install linux on android?

Is it possible to install open-source Linux distribution like Ubuntu on Android Device? If so, how would this be accomplished?
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39 views

samsung s4 update os 5.1.1 to 7.0 nougat

How do I update Samsung s4 operating system os5.0.1 to 7.0(Nougat) or higher. I have downloaded kies and smart switch and have backed up my phone but need to know the next steps.
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42 views

Pixel 3A Android 10 Assistant auto comes on and stops gesture, unable to reset connected devices [duplicate]

I have a brand new Pixel 3A with the recently updated Android 10 update. Google Assistant has been activated while in my laptop bag. I'm assuming this is because of the incessant urgings that Google ...
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1answer
2k views

How does Android OS do DNS name resolution?

I am learning about how Windows does name resolution and need to know how Android does it so an app will work on my Windows laptop and from my Android Phone. Borrowing from a post on superuser.com, ...
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where does the official, “non-custom firmware” Android os look for version updates?

When the "new update is available" popup appears on the screen, does the os go to the manufacturer's server or the google's servers to download the update? in other words who is the main version ...
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OS-independent app loading problem

My phone has an odd problem, and I don't know where to start in diagnosing it. Several apps started having problems opening, taking a very long time (sometimes several minutes) to open; sometimes they ...
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1answer
392 views

Does Android 8 has journaling enabled in its ext4 files sytem?

Android 8 uses stackable file sytem called sdcardfs, which emulates FAT32 on ext4 on the data partition. Does sdcardfs recognize the ext4 file system and journaling? In other words, files written ...
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2answers
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32-bit and 64-bit Android: how to tell before buying a phone [duplicate]

I have been looking into 32-bit or 64-bit Android versions for phones. It seems to me that the information on the number of bits of the installed Android version is always missing from phones' specs, ...
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105 views

Upgrade Android Version 5.0 to 9

My situation is my Phone Asus Zenfone 2 last update by ASUS was in 2016. Now few new apps are not supporting the old Android version. Now I want to upgrade my android version in my phone (Rooted/...
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Android NetHunter can't find several files

I'm trying to get KaliNethunter to work on my OnePlus5. I'm facing a problem though, and I really don't know what to say of it. There are several errors and they're all No such file or directory. ...
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1answer
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Anyway to make blue light filter App include the notification swipe-down area?

From initial Googling it seems that it's an intentional issue in later Android OS versions, that blue light filters (Apps) cannot have any effect on the swipe down notification area. I was just ...
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2answers
275 views

Will Android be able to install OS updates without Google account?

I am working with android phones at work, we want to remove all google accounts from the phones before we give it to our customers. I know that the phones are not able to receive app updates, but ...
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3answers
156 views

What steps are taken by the OS when an app is uninstalled?

I recently reported bug for two apps that I use. The support guys replied that I need to delete cache and unblock notifications, set battery optimization and putting that app to sleep to turned off. ...
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1answer
196 views

What position do cellular communcation (1G, 2G, 3G, 4G or other function only implemented in phone) play in Android operating system archtecture?

I am entirely new to Android, but have a little knowledge on Linux. I have view the architecture graph of android on official site: The Problem: Not all android device support cellar network. As a ...
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1answer
53 views

How would I go about purposely disabling all microphones on an Android phone?

I'm attempting to repurpose older Android phones, and I'm looking for a way to disable the microphones to avoid having spy-accessible microphones all over my house. Is there a way of removing or ...
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1answer
803 views

How does android dm-verity protection validate blocks with hash tree

I am learning about android dm-verity protection and I try to understand how does the android dm-verity uses the hash tree for validation of "single block". https://source.android.com/security/...
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1answer
415 views

Flash OS firmware on an OS corrupted device via TWRP

I have a big issue: I got 2 units of the Android TV device called "Stream+" sold by Channel Master, manifactured by Technicolor (https://www.channelmaster.com/Stream_OTA_DVR_p/cm-7600.htm) One is ...
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1answer
636 views

Error fastboot flash system

Hey i have phone xiaomi mi a2 try install another OS but get this error any ideas? need faster, cuz i can't run phone stuck on android one logo PS C:\add> fastboot flash system C:\add\pixel.img ...
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1answer
122 views

TWRP API to aceess TWRP from the OS?

Is there any documentation for TWRP's "API" which for instance can be used to flash an OTA update from the OS? I couldn't find any information on it, but my ROM (Lineage OS) is able to reboot my phone ...
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32 views

Upgrade the OS from 5.x to 6.x [duplicate]

How can I upgrade from 5.1.1 to 6.x in order to utilize adoptable storage?
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2answers
1k views

How can I switch keyboards using gesture navigation only(no navigation bar)? (OnePlus 5t)

I recently decided to try out gesture navigation on Android (with the navigation bar turned off), and I liked it so much I decided to do away with my navigation bar for good. Aside from English, I ...
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1answer
480 views

Android system takes too much data usage

Checking through Glasswire application, Android system has the highest data usage everyday on my Android. I only used my phone for tethering to my laptop and it don't take that much of data (My laptop ...
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1answer
93 views

What is the lowest version of Android that supports split screen apps?

I'm looking to get an Android tablet and I'd like it to support running two apps on the screen at a the same time; what is the earliest release of Android to support this?
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1answer
889 views

System update notification but system already up-to-date

I've had the Google Pixel XL for over a year now (it's awesome) and I just received a notification to upgrade my OS to 8.1.0. Problem is, I already have 8.1.0 installed. I updated it a couple weeks ...
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1answer
51 views

Lanix X110 (Mexican made, generic android 4.4.2 OS) Random “ghost” apps appear from nowhere and other issues

I have some issues with my phone and I hope someone could help me when I arrived home just found in my phone some random apps with the "system" logo in them, like in this case those were named ...
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1answer
2k views

Wiped System Partition… No OS.. How can I recover it back?

I successfully installed TWRP yesterday on my phone and then wanted to root it, but before doing that, I wanted to do a Full-Wipe of my phone, just leaving the phone with the OS, but for some reason, ...
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1answer
248 views

Does all root directory in android os exist in flashing firmware

At the root directory of android os there is some folder such as /acct /root /sys /dev , ... that are not available in firmware structure. by using fastboot to flash firmware There is some mount point ...
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1answer
126 views

Can I install the native Android OS on a non-Google phone?

Samsung makes up 90% of the Android market where I live, and getting a Nexus/Pixel is difficult and ridiculously expensive, but I really want the raw, native Android OS without any of the vendor's ...
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2answers
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If Android is a Linux distribution can I run it natively on my computer?

Is it possible to run Android on PC? Is it?
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Is there currently a method to install Android as the main OS for Lumia 640 LTE? [duplicate]

Sorry if this has already been answered. I've scrounged for recent answers about whether it is possible to replace a Lumia 640 Microsoft phone OS with Android, but as far as I can tell it's not yet ...
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2answers
516 views

android 5.1.x security settings missing after upgrade

A friend of mine asked me for help, she currently uses a Samsung phone with android 5.1.1 and misses settings for virus security and cpu in the main settings UI. The "virus" alert should be something ...
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99 views

Install OS on Galaxy S4 w/ broken screen

I have an Samsung Galaxy S4 with a broken screen (no touch input and no visual output); it's been sitting in my closet for months, but it still charges & boots. Now, I want to put it to good use ...
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1answer
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When Flashing New ROM onto Device, Can the Original Still Be Used?

I've recently rooted my phone and I was thinking about adding a custom recovery and ROM. However, my original OS still must be accessed. Is this possible?
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1k views

TeamWin “No OS Installed” Android Nexus 5

I lost my phone in Peru and had to downgrade to my old Nexus 5. It was rooted so I couldn't update the OS. In trying to unroot it, I [somehow] deleted the OS, and now the phone won't boot. I get to ...
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2k views

delete operation are extremely slow

For some reason, moving files from my Nexus 5X to my PC takes huge amounts of time. The copy "part" of the move operation is pretty much as fast as on any other Android device I've used (I can see ...