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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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 ...
Hogarth's user avatar
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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 ...
vh_dan's user avatar
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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?
Franck Dernoncourt's user avatar
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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 ...
user20053027's user avatar
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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 ...
Joselin Jocklingson's user avatar
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40 views

Completely wiped out the OS on my ZTE phone and now it boots to Team Win Recovery Project. What do I do to fix it?

I wiped out the OS on my Android ZTE. Now, whenever I power on my device, the only thing that comes up is the third-party application "Team Win Recovery Project". It is showing all types of ...
Alisee87's user avatar
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Nokia T20 WiFi (TA-1392) EDL mode activation?

I have discovered that my Nokia T20 WiFi tablet (TA-1392), was hard-bricked after clean-erasing it while trying to install an Android 13 GSI. Later research pointed me to my tablet’s EDL (Emergency ...
Saturanium's user avatar
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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 ...
Joselin Jocklingson's user avatar
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14 views

Android support for foldables constructed from two separate phones

I would like to know what the difference is in software between an Android foldable phone and two phones attached together via Bluetooth, ad a sigle is OS (does, Android, support this), and a plastic ...
Joselin Jocklingson's user avatar
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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 ...
Kandx9's user avatar
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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 ...
Steven Paul Medeiros's user avatar
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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'...
Mah Neh's user avatar
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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 & ...
Melani Osulivan's user avatar
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475 views

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 ...
Leezard's user avatar
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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 ...
Tlee404's user avatar
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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 ...
zire's user avatar
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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 ...
Michael Butscher's user avatar
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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 ...
localacct's user avatar
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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 ...
JJrussel's user avatar
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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 ...
user369190's user avatar
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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 ...
Aquasplash Gamer's user avatar
2 votes
1 answer
60 views

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 ...
Ola Ström's user avatar
1 vote
0 answers
40 views

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: ...
Reza Hosseinzadeh's user avatar
4 votes
2 answers
339 views

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.
dbubbis's user avatar
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3 votes
1 answer
463 views

Can I disable OEM lock from computer?

Can I disable the OEM lock of my Samsung Galaxy S8+ from my computer?
Pradip Biswas's user avatar
2 votes
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63 views

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 ...
martin1000's user avatar
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1 answer
148 views

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?
jrima12's user avatar
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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 ...
SHAAN's user avatar
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120 views

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 ...
linux_enthusiast's user avatar
1 vote
1 answer
194 views

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 ...
a.t.'s user avatar
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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. ...
Soham Chatterjee's user avatar
1 vote
1 answer
57 views

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 ...
Maria Wilson's user avatar
2 votes
0 answers
113 views

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 ...
Mahnoor Ali's user avatar
1 vote
0 answers
79 views

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 (...
Kristada673's user avatar
2 votes
1 answer
72 views

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 ...
Máxima Alekz's user avatar
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0 answers
48 views

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 ...
Maria Wilson's user avatar
1 vote
0 answers
41 views

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?...
Jace werlock's user avatar
2 votes
0 answers
201 views

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 ...
RGS's user avatar
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2 votes
1 answer
118 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-...
Maria Wilson's user avatar
2 votes
0 answers
278 views

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 ...
Del's user avatar
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1 vote
0 answers
152 views

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 ...
Abhishek Ghosh's user avatar
1 vote
0 answers
759 views

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 ...
Genra's user avatar
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1 vote
1 answer
85 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'...
Zonus's user avatar
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1 answer
100 views

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 ...
Darin Beaudreau's user avatar
1 vote
0 answers
215 views

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 ...
Joker2's user avatar
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-1 votes
1 answer
85 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?
Arjun VK's user avatar
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1 vote
1 answer
349 views

Is it possible to create an operating system other than Android 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 ...
Joe's user avatar
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0 answers
110 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?
Pluviophile's user avatar