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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.

3
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3answers
70 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. ...
0
votes
0answers
61 views

Wear OS how to receive voice calls/text & turn off mobile data (Cellular GSM HSPA LTE)

I have the Huawei Watch 2 LTE and using a nano-sim for the connection. in Settings > Connectivity > Cellular, the only option available is to OFF/ON cellular, which impacts on both Voice & Data ...
1
vote
1answer
67 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
39 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
148 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
95 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
125 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
75 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
30 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?
1
vote
1answer
169 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
312 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 ...
1
vote
0answers
42 views

Does android run equally well on the Nokia 7 and Honor 9? [closed]

I am asking this question because every 2 years or so I need a new phone simply because the RAM and the internal storage cant handle the pressure the app updates and the system updates put on them. I ...
2
votes
1answer
52 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
540 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
37 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 ...
3
votes
1answer
860 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
103 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
94 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 ...
1
vote
0answers
17 views

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 ...
0
votes
2answers
373 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 ...
-1
votes
0answers
29 views

Galaxy S3 OS problem

I have samsung galaxy S3 which once get fell down and afterwards mobile is not working, only some line is coming. Once I press the volume key upside and power android logo come and it says os critical ...
0
votes
0answers
74 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 ...
0
votes
1answer
43 views

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?
0
votes
1answer
904 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 ...
0
votes
0answers
70 views

Accidentally Updated Rooted Nexus 5X to Android 7.1.1, Now Stuck on “No Command Screen”

I have a rooted Nexus 5X and attempted to update the OS to 7.1.1 (from Marshmallow, I think). I forgot that it's not as simple as going to the "Software Update" option in the phones settings menu, and ...
2
votes
0answers
638 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 ...
0
votes
0answers
37 views

Cannot use all cores on Honor5C (Android 6.0)

I am working on a rooted Honor5C phone in order to benchmark some computer vision algorithms. The basic idea is to see the phone as a all-in-one well optimized embedded board giving you all you might ...
2
votes
1answer
69 views

are the apps being uninstalled during OS update?

I haven't updated my Nexus 5X OS version for a long time already, due to the fact that I'm really afraid that something might go wrong with the state of some of my apps. For example, my WhatsApp ...
0
votes
2answers
72 views

How to stop power intake when completely charged?

Is it possible a process should run in the background of Android OS, and the only task of that process is to stop the power intake to the device when the battery is completely charged?
0
votes
0answers
5k views

Completely Delete Android OS off Device

I have been looking for an answer to this question for some time but kept on getting some answers related to 'flashing' my device. I just want to know if it possible to delete the OS off my android ...
0
votes
1answer
50 views

Possible to install unbranded android on HTC ONE?

I am so sick of stone old android version HTC installed on my smartphone. While the phone is still super after several years HTC do update the Software anymore. So I d like to remove the branded ...
0
votes
1answer
31 views

Firmware update

Ok so I've been waiting for the android 7.0 update for over 3 to 4 weeks now. Should of got it last week of January but because I'm on Three they have to test it which I think is stupid because my s7 ...
0
votes
1answer
53 views

How to install android from my Computer terminal?

I have a HTC M7 without any OS on it (it goes to black screen when I boot it). It doesn't have any memory card. I am however able to have a root shell with "adb shell" when connecting it with USB. ...
1
vote
1answer
57 views

How can I determine whether or not a phone can be upgraded to Android 7.XX?

I’m looking at getting an Android phone, and I don’t want to rule out phones that come with Android 5.XX installed if they can be upgraded to 7.XX, but I don’t want to get a phone if it isn’t capable ...
0
votes
2answers
3k views

Oneplus 2 Stuck in boot animation after root

so I recently tried to root my oneplus 2 to be able to flash cm13 onto it. I followed the guide oneplus provided on youtube (https://www.youtube.com/watch?v=KZaajUEybNM) exactly and got the same ...
0
votes
2answers
309 views

Change os variable for touch sensibility becasue when in sms writing mode random touched started

This problem happens when we are in text writing mode and then when switched to main page (home) random touches stopped. I suggest that wet screen maked it but when I go back to home page everything ...
0
votes
1answer
712 views

How to enable otg in moto e

I am using MOTO-E and working on lollipop OS. Here, OTG is not supporting. I have read it from google which Moto-E doesn't support OTG. My question is Will oTG work on OS 4.4 (Kitkat)? How to ...
1
vote
1answer
60 views

Windows phone, Android OS [duplicate]

I made the mistake of getting a windows phone because the price was enticing. I want to run android O.S. if at all possible, being a working full time school full time person I'm looking to save money....
1
vote
0answers
173 views

Help! Lg v10 OS update erased entire calendar

All past events, all scheduled events, gone. Also, google calendar is not available in list of calendars to sync/enable. It's not that I just failed to check a box, it's that it isn't even listed as ...
2
votes
1answer
58 views

No operative System and twrp

recently i installed a custom rom on my phone, then i decided to expand my phone memory on a trick i saw on youtube, where i had to go into twrp, unfortunately i clicked on delete system. afterwise ...
1
vote
0answers
290 views

Nexus 4 - Random reboot

I have a 3 years old LG Nexus-4, I have tried multicore cpu controller pro and some cardboard/VR apps (google cardboard, fulldive, etc..) recently & I have faced some rare random restart for 4-5 ...
0
votes
1answer
4k views

Lenovo s860 Bricked, Recovery Crashes, No OS

The following things happened, leading to the "bricking" of my phone, lenovo s860 with android ver 4.4.2: 1) I got a virus, associated with an app from the play store. 2) The virus was inside the ...
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votes
1answer
5k views

How do i reinstall the android OS?

I accidentally wiped my tablets systems firmware in recovery mode which deleted Android it self. But what do I do now? more info Samsung Galaxy Tab 4 7.0 Android version: KitKat 4.4.2 TWRP ...
3
votes
4answers
4k views

HP Stream 7 originally runs Windows - Can it run Android viably? [duplicate]

I have an HP Stream 7 that I'm not using here (since I've bought my Asus T100), and I was thinking about putting an Android to run, instead of the Windows OS. I know that is possible, but my question ...
0
votes
3answers
2k views

format and install new OS to get rid of viruses

I have an android phone (my uncle's) that is full of viruses that display adds and reinstall themselves I'm guessing there is no important/needed data on the phone I tried factory reset, after used ...
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vote
1answer
835 views

Android OS background data usage

Recently set up 2 Android smart phones for my sons earlier this month (around Dec 12th, 2015). On one of the phones, Android OS is showing a HUGE spike in background data usage. From Dec 12th until ...
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1answer
125 views

Android Versions Size Vs Features

This occurred to me while updating Windows laptop. Each version of Windows gets bigger, much bigger in size compared to the extra benefits to "average Joe (or Jane)". Question: What is the size of ...
0
votes
1answer
116 views

How do I discover the latest Android OS available for a device on a carrier?

How do I discover the latest Android OS version available through standard support channels (no manual rooting or reflashing) for a device? In particular, I am interested in the Samsung Galaxy Note 3 ...
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votes
2answers
2k views

My Galaxy Tab S is stuck in boot with no OS

My tablet was not working correctly so i decided to do a factory reset when it booted up it was freezing so I powered it off and entered recovery mode but then I accidentally deleted the OS. This was ...
1
vote
1answer
682 views

HTC Desire Phone Storage != Physical size

On my Android HTC Desire, it says that I have 5.30 GB of phone storage, whilst my physical size is 8 GB. The 5.30 GB of phone storage seems to be composed of 4.52 GB available, 776 MB of apps, and a ...