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.

Filter by
Sorted by
Tagged with
1
vote
0answers
40 views

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 ...
1
vote
0answers
22 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 ...
1
vote
1answer
44 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 ...
0
votes
0answers
12 views

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. ...
1
vote
1answer
42 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 ...
2
votes
0answers
36 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 ...
1
vote
0answers
49 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 (...
2
votes
1answer
59 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 ...
0
votes
0answers
41 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 ...
0
votes
0answers
26 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 ...
0
votes
0answers
27 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 ...
1
vote
0answers
23 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?...
2
votes
0answers
43 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 ...
2
votes
1answer
76 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-...
2
votes
0answers
65 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 ...
1
vote
0answers
40 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 ...
1
vote
0answers
113 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 ...
0
votes
0answers
69 views

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 ...
1
vote
1answer
61 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'...
0
votes
1answer
37 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 ...
1
vote
0answers
103 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 ...
-1
votes
1answer
55 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?
1
vote
1answer
112 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 ...
0
votes
0answers
53 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?
0
votes
0answers
44 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 ...
5
votes
1answer
4k 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, ...
1
vote
1answer
81 views

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 ...
1
vote
0answers
22 views

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 ...
1
vote
1answer
466 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 ...
3
votes
2answers
7k views

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, ...
0
votes
0answers
113 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/...
0
votes
0answers
2k views

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. ...
-1
votes
1answer
82 views

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 ...
2
votes
2answers
319 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 ...
4
votes
3answers
166 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. ...
1
vote
1answer
209 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 ...
0
votes
1answer
55 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 ...
3
votes
1answer
913 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/...
0
votes
1answer
478 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 ...
0
votes
1answer
711 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 ...
1
vote
1answer
136 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 ...
0
votes
0answers
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?
2
votes
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 ...
0
votes
1answer
523 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 ...
2
votes
1answer
102 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?
0
votes
1answer
921 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 ...
0
votes
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 ...
2
votes
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, ...
0
votes
1answer
290 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 ...
0
votes
1answer
130 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 ...