Questions tagged [operating-system]
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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Pixel 6: how to flash Sailfish/Ubuntu without a desktop (just unlocked bootloader + On-the-Go flash)?
Ubuntu Touch (alternative to Sailfish): https://devices.ubuntu-touch.io/
Sailfish: https://docs.sailfishos.org/Reference/Android_Compatibility/#hardware-support
Definition/instructions of flash: https:...
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Android and WhatsApp support for multi user use on a device in a family with several sim cards but a single shared phone
Suppose a family shares a phone.
Suppose the Android device has a dual sim card slot.
Is it possible for one family member to use one sim card and join that sim card to their WhatsApp account
while ...
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How to fix dead Android logo with stomach open blue squares?
I'm trying to do a hard reset on a Q Link Scepter 8 tablet, but the dead Android sign comes on with an open stomach with blue little squares.
How do I fix this?
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Can anyone help me install a Custom OS on my old cell phone?
I have an old cell phone called LG Sunset™ LTE (L33L) that I want to completely degoogle. It is an old phone that I bought in 2013(?) that I want to install a Custom OS on. I know GrapheneOS will not ...
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How can I update my TV that is running android OS 4.2.1
I have a TV from the brand "Haam". It's supposed to be smart, but recently I couldn't use any app. Nothing works on it. I can only watch regular channels from satellite. I want to update the ...
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Set up remote camera monitoring on Android OS without user input
Bringing my question over from stack exchange as it was suggested I ask here instead.
I'm developing a personal project app (NOT for Play Store) to run on an old pixel phone I have. Here are my ...
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How can I mute the specific sounds of my phone via ADB?
When my phone reproduces some specific sounds, it turns off. The sound on the startup also makes the phone turn off. So I want to mute via PC, but I got confused with that ADB stuff.
I was trying to ...
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Recover Lenovo Tab M10 after deleted complete OS
I was trying to root my Lenovo Tab M10 (TB-X505X) using the Magisk patch image file method. And then I accidentally deleted my TWRP backup and now my Lenovo tab has no recovery or OS.
I downloaded the ...
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Android settings and Microsoft Intune report different security patch levels on Huawei devices
I have a Huawei P20 lite, which reports (per System -> About this phone) an OS version EMUI 9.1.0, Android 9, Kernel 4.9.148, Security Patch Level of 1st January 2022.
However, Microsoft Intune ...
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Samsung Galaxy J1 shuts down after "Optimizing Android" on startup
I have an old Samsung Galaxy J1 20W that when it restarts, it goes to the 'Optimizing Android', and whenever it gets to '13 out of 13', it just shuts down and won't turn on again unless I take out the ...
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Samsung Galaxy S20 Ultra (Snapdragon) - is it possible to manually flash Android 13?
Is there any way at all to upgrade my Samsung Galaxy S20 Ultra 5G (Snapdragon) to Android 13? It's stuck on Android 11, and I've been with Google Fi, and now US Mobile, with still no OTA updates ever ...
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How can I see which system update Android wants to install?
I use a Samsung Galaxy S23 ultra with Android 13 and One 5.1. I see:
How can I see which system update Android wants to install?
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Installing Android 12 (or 13, 14) on a Lenovo Tab M10 FHD Plus (2nd Gen, TB-X606X)
Is there a way to install Android 12 / 13 / 14 on a Lenovo Tab M10 FHD Plus (2nd Gen, TB-X606X)? That is all I want to know if it is possible to do it, and how to do it then (currently running Android ...
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Cycling and launching apps through holding down power button: extra support for blind users
I want to use Android as a person that cannot read (for example, as a blind user), in a supermarket to read out what's in front in me via voice, using headphones, by pointing my Android phone with ...
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Android system fonts and other fonts and dyslexia
I would like to know whether Android fonts are optimized for dyslexia. Because, to my understanding, dyslexia users read better when specific fonts that have gaps and unevennesses in the spacing and ...
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Are system image and system partition the same thing?
Are system image and system partition the same thing? Are boot image and boot partition the same thing? Been reading about system root and system-less root. On some pages it says you have to modify ...
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Are Android framework and operating system the same thing?
I’m learning about the partitions of Android and in one place, they say that the system partition contains the Android framework (https://source.android.com/docs/core/architecture/partitions)
system ...
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Trying to convert Lenovo ThinkPad to Android
My college administrator gave me an old Lenovo ThinkPad. He wiped everything out. It used to be Windows 7 and he put Windows 10 on it. Since then, I have had problems with it, so I bought a flash ...
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what to do with this japanesed android system
So I received a phone as a gift but it turns out that at boot up is perfect japanese. We manage to set it up and change the language settings.
Yet, most of the applications are hard-installed (you can'...
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Is it necessary to update Android version?
My Samsung mobile is telling me to update to Android 11, is there really anything that is better than Android 10? I notice the more updates, the more likely it is for others to spy on our data & ...
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Android 12 popup over the keyboard (screenshot)
I'm having an issue with Android 12, on a Samsung Galaxy 22 Ultra. It is showing some kind of popup over my keyboard and it sits there way too long so I can't continue with what I was doing and I ...
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Install new Android OS? [duplicate]
I bought a new Chinese phone which they said I could use with T-Mobile. The IMEI was not acceptable by T-Mobile. It is supposed to be Android 12, but when I try to download (WiFi) some apps from ...
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Web browsers' privacy - how much does the OS know?
TL;DR: When using 3rd-party web browsers (e.g. Firefox), how much does the OS (Android) know about the user's activities?
Most information on the internet about privacy-focused web browsers focuses on ...
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Upgrade Asus Zenfone 4 Z01KD to > 8 OS
As of September 2022, Slack will stop supporting the app for Android OS versions earlier than 9 (Pie). I have an Asus Zenfone 4 Z01KD mobile, stuck at Android 8. I have read suspicious guides online ...
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Stores the OS a list of installed apps and their install locations?
Some time ago I made a backup of the internal data partition with TWRP. Then I installed and updated some apps in the adopted storage. Due to some other issue with the phone, internal data was partly ...
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Is app_process executable directly?
When I ran the "file" command on app_process32 and app_process64, they are listed as shared objects (so files). From my understanding, .so files are not directly executable.
However, based ...
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How can I see a log of system changes that have been made to my phone?
Recently my phone suddenly exhibited weird behavior which I remedied by running com.google.android.setupwizard/.SetupWizardTestActivity. You can see the exact problem and solution here.
Everything ...
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Offbrand Android states one OS but shows another in linked apps
I recently bought a generic 10" tablet by E-CrossStu that stated it is on Android 11 with 512GB storage with 4GB RAM. I thought this is a great deal for $100.
I am now going through trying to add ...
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How can I fix this apk not uninstalling problem in my custom rom?
I like custom ROMs very much. And this problem is regarding issues that I get while uninstalling an app in a specific unofficial rom. Let's start from the beginning:
I downloaded this rom from this ...
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How to stop Samsung S7 from wanting to update Android version?
I'm using my old Samsung S7 to test apps (that I develop) on Android 8.0.0 (Oreo).
But every time I come back to my phone the below screen (Program Update) appears and the phone wants to do an system ...
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Change tablet OS
I have an old android tablet. I want to install another OS on it. I am afraid of problems after installation. Is there a way to return to exact previous OS (android 5.1.1) if I have problems?
Tablet: ...
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Would the Amazon Fire OS count as Android?
I am wondering if the operating system on the Kindle Fire would count as an Android-based OS.
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Can I disable OEM lock from computer?
Can I disable the OEM lock of my Samsung Galaxy S8+ from my computer?
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Is it possible to buy a used Samsung phone with fake/hacked Android ROM that looks like the official one and may spy on you?
I have a used Samsung phone. I wonder if it is possible to have a malicious ROM uploaded that looks like the official one that may allow the hacker to spy on the user. Can I make sure that I have the ...
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Alternative OS for Nokia XR20 [closed]
Does anyone know any existing OS (other than Android) that works for Nokia Xr20. or if not, is it fairly quick to Port an existing OS for this phone?
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Not able to flash any os on my phone
Hi One day i tried to install a custom OS on my old phone it was already rooted and a custom recovery was also installed (TWRP)
after i booted into recovery i wiped cache and installed evolution x it ...
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Redmi 4X (santoni): Abruptly shuts down just before booting into OS
Here's a TL;DR -
I can't boot into my OS,phone shuts down after being in boot screen for some time but I can boot into fastboot and recovery. I flashed another custom ROM after formatting my device ...
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Booting Fairphone Open OS automatically after sideloading from TWRP
After writing a bash code that automatically installs LineageOS on the Fair Phone 2 (FP2), I am also implementing the "reverse" OS installation, from LineageOS to Fairphone Open OS. From ...
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Automatic app opening + power, home button not working J Max [SM-T285YD]
My device is Samsung J Max (SM-T285YD). I can go onto download mode, recovery mode. Even after restart power button also working. But after sometimes suddenly it opens chrome, google automatically. ...
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Can 2 mobile devices detect each other's presence using NFER technology?
If 2 mobile devices are in the same room can they identify each other or detect the presence of each other by using Near-field electromagnetic ranging (NFER) technology ?
And the second question is ...
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What makes the android boot sequence different from Windows boot sequence?
I've just studied the Windows boot process (theoretically) and now I want to compare the Android's boot sequence with the Windows boot sequence. One point I've found is that in Windows there is BIOS ...
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Why don't I get notifications from messaging apps on my phone?
If I don't have the app open, I don't get messages that people send to me. When I open the app, I see unread messages. I have seen this with LinkedIn messages, Quora messages, and Signal recently (...
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Apps go portrait and then landscape unexpectedly
When I updated my Motorola Moto G9 Plus to Android 10, when going landscape watching videos or playing videogames (after some minutes, repeatedly) go portrait and after 1 to 3 seconds return to ...
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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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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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