60 votes
Accepted

What is QuadRooter? Are 900 million Android devices vulnerable?

What is QuadRooter? Quadrooter is a name for a set of security vulnerabilities including CVE-2016-2059 CVE-2016-2504 CVE-2016-2503 CVE-2016-5340 These are weaknesses in Linux/Android system ...
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29 votes

how to adb wait-for-device until the home screen shows up?

well wait-for-device, as you already realized only waits until the adb daemon properly started. This is already at init time. In order to check for a complete boot you cann ad to your script something ...
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17 votes

how to adb wait-for-device until the home screen shows up?

This is an old question and borderline off-topic but here is how to do it in a single line: adb wait-for-device shell 'while [[ -z $(getprop sys.boot_completed) ]]; do sleep 1; done; input keyevent ...
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17 votes
Accepted

Which phones have the purest Android?

tl:dr; Google phones have the purest Android. They come with Google apps In Android ecosystem, phones launched by Google are stock Android (aka vanilla). It's the purest form of Android because Google ...
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  • 37.9k
15 votes

Which phones have the purest Android?

How about looking for models supported by LineageOS? This is a ROM you can flash to your device, and you can even use it without the Google Apps (or flash them later) Although they are not included ...
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  • 261
13 votes

Will updating to Android 7.0 cause my phone to lose all its application data ? If so, how can I prevent this?

OTA updates don't wipe the device: all apps and data are preserved across the update. Even so, it's always a good idea to back up your data frequently. As you point out, not all apps support the in-...
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  • 34.4k
10 votes

Which phones have the purest Android?

The question has quite deep implications. Android is not an OS, it is an "ecosystem". There is Android Open Source Project. This is the "base" of the Android OS. Hardly usable and ...
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  • 201
9 votes
Accepted

What is the Android Permission "WRITE_GSERVICES" doing?

Note this permission is almost completely undocumented, hence we need to feel our way to its real meaning. So this is in no way an "authoritative answer" – but more or less something between a "good ...
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  • 89k
9 votes
Accepted

Is it possible to change file permissions on Android's internal storage?

On all operating systems based on Linux kernel - like Android is - it's possible to set permissions on files (including directories) provided that filesystem supports UNIX permissions (uid, gid, mode)....
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  • 17.6k
8 votes

What is SIM Toolkit and how do I remove it?

SIM Toolkit brings up a list of things like horoscopes, music videos, chat etc. It depends on your service provider and you're not really missing much by not being able to use it! You can't delete the ...
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  • 231
7 votes

What is Android's sleep mode

A few to much questions for a single post, though they are mostly related. Let's roll up from the end: Deep Sleep is a state where the CPU has "nothing to do at all". Depending on the tasks the ...
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  • 89k
6 votes

Remove word from autocorrect - Six Android versions and three phones later

When you type in "don't" try holding your finger on "Dont". You should get something along the lines of: Never predict "Dont" again? Press yes, and you should be sorted!
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  • 1,746
6 votes

What does "Restricted" (aka. "Do not") system icon on Lollipop mean?

It means that you (might be accidentally) set the "Interruption Mode" to "None". It means that no calls & notifications will be shown, and not even alarm will ring. This is part of Interruption ...
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  • 12.4k
6 votes

How to prevent app from showing its update in play store using titanium backup?

I'll give you a good alternative for that If you don't want to ever update the app even after you reset your phone and reinstall it without involving the Google Play Store settings. Grab an app ...
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6 votes
Accepted

What’s the difference between stock Android, Android One, and Android Go?

Stock Android is meant for Pixel devices/other OEMs who like to keep the Android experience stock. Pixel devices are guaranteed to get 3 years of OS updates and security patches. Features, functions, ...
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  • 37.9k
5 votes
Accepted

Does turning WiFi on and off use more power than it being constantly on for a set amount of time?

As you already pointed out in your question, it's a matter of intervals. Of course, turning it off-and-on like a cars indicator light is more power consuming than simply leaving it on – and turning it ...
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  • 89k
5 votes
Accepted

ADB sideload and fastboot uses. What's the difference?

Folks consider adb sideload <ZIP> when they have a ready to flash .zip file. The command is mostly used when booted into Recovery mode. Fastboot on the other hand often deals with per partition ...
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  • 23.5k
5 votes

How to move SMS from hangouts to messenger app

Devin, I am not extremely familiar with stock Android, so I apologize if some of what I try to describe does not work exactly as I try to explain it. The SMS messages on your phone is maintained in a ...
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5 votes
Accepted

RSSI range for WiFi icons

I didn't look back through older versions, but here's information accurate as of Android 7.1.2. The code that performs the transformation from RSSI to signal "level" is found in the WifiManager....
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  • 36.5k
5 votes
Accepted

Change System Language to one not listed?

Background: Firstly please take a look at the similar post: How do I add a new language?. Adding a full language support for a device is done at ROM level, the langauges that the default ...
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5 votes
Accepted

Do Android One tablets exist?

The Wikipedia page on Android One has a complete list of all Android One devices released, and unfortunately there doesn't seem to be any tablets. There couldn't be any tablet resellers with Android ...
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  • 1,085
4 votes
Accepted

How can I permanently disable (not uninstall) a stock app?

There is no way to disable an app for some users of a device but not others; it's possible to freeze an app using a third party program (ie, disable it by changing it's permissions so it can't run) ...
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  • 3,841
4 votes

YouTube no longer available for old Android 2.2 devices?

APKMirror provides mirror for (almost) all version of YouTube APK. You could try sideloading YouTube 5.2.27, the last version that Froyo (Android 2.2) still supports. The next version, which is 5.3....
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  • 12.4k
4 votes

Remove word from autocorrect - Six Android versions and three phones later

Several people didn't read the original post. The original poster had tried long-pressing the word to get it to delete, but that didn't work. I know this is an old thread, but I just found it ...
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  • 41
4 votes
Accepted

Does Nexus factory Images work on all android devices other than Nexus devices

Short answer, No. Nexus images are built for the specific hardware in the device. This is true for all devices, even variants of the same device. For example, You may not be able to install a ROM ...
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  • 22.5k
4 votes
Accepted

Is it possible to assign a static IP address without a DNS?

First, without DNS the network connection won't be much helpful to you: you will need DNS to resolve host names to IPs – or entering something like www.google.com into the browser's address bar will ...
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  • 89k
4 votes

How do I take a full image backup of an Android device?

Yes, you can, by taking a full NANDroid backup. This takes a backup of everything, including the app data, the accounts, the system, etc. with the exclusion of the files stored on the SD cards (both ...
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  • 798
4 votes
Accepted

For basic users - Any reason to install mobile security App?

tl:dr Yes, you need such apps and more a wholistic approach Breaking down the possible threats (simplistically) : 1.Viruses: They don't exist on Android. See Is an antivirus really needed for ...
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  • 37.9k
3 votes
Accepted

"USB Debugging" mode not visible, Samsung Galaxy Note II

Apologise for my ignorance as I dont have a Galaxy Note II but since you have the SAMSUNG Android ADB Interface I am presuming when you run command (and get this from google too) adb.exe devices Do ...
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3 votes

Multi window supported Android devices (without root)

I'm not absolutely sure, but I believe that that is a feature of Samsung's TouchWiz (proprietary build of Android) and only works select Samsung tablets/phones, among them the Galaxy S5/4, Note 3. The ...
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  • 854

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