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Questions tagged [permissions]

The access that apps advertise that they need to function. Example: Full internet access, send SMS messages, etc. Please use this tag for app-permissions only. For file permissions, use 'file-permissions' instead.

0
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1answer
27 views

Why lsusb gets “permission denied” error in Termux?

When I run this command in Termux the output gets permission denied. I don't have root access, perhaps Android system allows me to get the specific access in root.
0
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0answers
19 views

Root and unroot Cat S41

Does anyone knows how to root then unroot this device? I've just installed Termux emulator but I am not able to run some commands. The terminal's output comes with a "Permission denied" issue. I've ...
1
vote
1answer
40 views

Why do I have to get permission to save to my own phone?

I am the owner of a new Samsung Galaxy J7 (J700T). When I try to delete files with no data on them on my internal, external, or SD card, the phone tells me I am denied. I want the files I've created....
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0answers
29 views

Microphone Permssion in Pie not listing all apps

I have a Pixel phone. Recently I checked App permissions →Microphone permissions, and it shows 5 of 24 apps allowed. But when I open the microphone permissions, it lists only 4 apps. Is this ...
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0answers
17 views

How to limit an app's excessive violations of privacy? [duplicate]

I'm considering installing the AMC Theaters app on my phone. On iOS, this is a very nice app and does not attempt to steal data. On Android however, it demands access to a vast amount of private data. ...
1
vote
1answer
28 views

How Android's permissions mapping with UIDs/GIDs works?

Reading the book: Android Security Internals I'm reading at Chapter 2 - Permission Management paragraph that permissions are assigned to application at install time by the package manager with a ...
5
votes
1answer
60 views

If an apk requires no permission, can I be completely sure that it is safe to install?

I have an apk that requires no permissions whatsoever. Given that the apk requires no permissions, can I be completely sure that it is safe to install? Or are there still ways in which this apk might ...
1
vote
1answer
25 views

can't find mapping of “android.permission.INTERNET” permission to famous methods which should use it

I was trying to evaluate effective permissions usage of an apk using axplorer mapping files. During evaluation I obtained an effective use of the android.permission.INTERNET permission equal to 0. ...
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0answers
29 views

How to change the modified date of a file without root?

How do I change the modified date of a file, specifically PNGs, on Android without root? Total Commander failed to do it with a permission error Access Denied.
1
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0answers
61 views

ADB unknown permissions

I created a .sh script which sets app permissions on android devices. If I push the script on /sdcard and run it through adb shell with command sh ./test.sh. The following error occurs on each ...
1
vote
0answers
26 views

On Kindle Fire 8, granting permission to Android apps

This is a modified cross-post from ebooks, but perhaps more of an Android question since Kindle Fire runs on a bespoke Android build. I have a Kindle Fire 8 (7th gen) running on Fire OS 5.3.6.4, ...
1
vote
1answer
95 views

What special privileges “/system/xbin/su” does have w.r.t. root access?

This answer says: Because of the way directory/file permissions are configured on Android, you need to have the su binary on your /system partition in order for it to work. Putting elsewhere ...
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0answers
21 views

Remove Parent controls on Kindle Fire HD without password

I have parent controls on my Kindle Fire HD and I forgot the password. I want the parent controls off but I can't without the forgotten password. How do I get the parent controls off the kindle ...
1
vote
1answer
38 views

Why reading permission to /proc/1/maps is denied and why doesn't the denial appear in logcat?

I'm developing a native app for Android, and I'm occasionally confronted with permission denied which doesn't trigger a log in the logcat logs. For example, trying to run: shell@kltevzw:/ $ cat /proc/...
0
votes
0answers
24 views

Are there apps which block apps from using features even when they're given permission?

Android's prefs lets me give or revoke individual permissions for individual apps. But sometimes an app will refuse to run without being given permissions that don't seem relevant for such an app. ...
0
votes
1answer
80 views

Why can't Tasker manage battery mode on my rooted Pixel?

I've been using Tasker to mute my phone at work. I recently added some nested tasks to enable and disable battery saver mode when I arrive and leave. However, it doesn't seem to have permission. The ...
0
votes
0answers
20 views

How to control or deny permission to certain drives?

I have an android based kiosk and I have a very peculiar requirement, while browsing files/folders from the browser I need to restrict user from accessing certain drives, say for example when the user ...
0
votes
0answers
20 views

Gmail says I need phone permission to login, it is enabled but I can't login

I used to have 2 Gmail accounts logged in on my phone. Recently one has been logged out and when I tried to log back in it asked me a question, I accidentally clicked 'dont ask me this again'. Now ...
0
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0answers
48 views

LineageOS update caused permission erros for GApps

I recently made an update of LineageOS for my LG G5 (LineageOS 14.1) as well as my Samsung Galaxy S5 (LineageOS 15.1). They both seem to have serious issues afterwards and I don't know what happened. ...
0
votes
0answers
100 views

Disabling sms delivery report globally in android

I know we can enable/disable the sms delivery report in the messaging app. But is it possible to disable it for all apps? I use an app that sends sms to control a device and I guess it's using the ...
1
vote
0answers
48 views

Is there a way to make an app executable only by the system on android?

I'm trying to make an app executable only by the system or by root on android so that when the user tries to open it (for example, by tapping it) he gets permission denied. Is this possible on a ...
0
votes
0answers
40 views

Restoring ownership in TWRP backed up data

So, my Nexus 7 (2012) is in a bootloop and I want to backup my data. Recovery (TWRP 3.2.3) works without a problem but I don't have a USB-OTG to do it and there's not enough space on the internal ...
0
votes
1answer
51 views

MP3 Used to play in WhatsApp, now Podcast Addict wants to play it

Because my front mic don't work, I have to create an MP3 from the back mic, and send it in a Whatsapp message. Sometimes I would click it to play it back myself. It played in Whatsapp just fine. Then ...
4
votes
1answer
79 views

Prevent application to make silently install file(s) or making changes

'Request Install Packages' let's say if an app has this permission ex- facebook(Check it in playstore head to facebook then 'app permissions' and click 'see more'. I used to read articles related to ...
1
vote
1answer
50 views

Application Permissions

I note that with my Samsung S7 Edge now I have "Permission Monitor" as an option, which is great. Leaving out the whole root option (I don't want to risk it again, it was a $300 fix last time it '...
4
votes
1answer
95 views

Should i be worried of these permissions from an app?

I was going to download an app ( not giving its proper name because there are many other apps who wants same permissions) but when i was looking for what 'app permissions' it needed. I saw ...
0
votes
0answers
18 views

What do I need to do, to let email be stored in this folder?

I asked Aquamail to save attachments on my SD card, but it had permissions issues. The info on the folder is below. Aquamail error message: Folder info/permissions in FX: I understand that ideally, ...
0
votes
2answers
74 views

What permissions does root give to an app?

All of the normal permissions are listed here, but it does not say anything about root permissions. I can't find the names of individual permissions anywhere else either so I am asking here.
1
vote
0answers
206 views

SD card write permission issues after restoring from backup to an identical phone model

I've been using LineageOS 14.1 on a rooted unlocked Samsung S7 (G930F) for a long time. My phone started dying, so I rebooted to TWRP and managed to take a full backup to the SD card before it died. ...
1
vote
1answer
54 views

My phone dials #3282 (#DATA) by itself. Which app did it?

For about the last month, I occasionally find my Cricket Samsung Amp Prime (Android 7.1.1) dialing #3282 (#DATA) without me initiating it. According to my call log, it started on October 1, 2018. It ...
1
vote
3answers
240 views

Prevent any Android app from changing WiFi state

At some point in the last year I noticed that my Android device (HTC 10, Android 8.0.0) WiFi would turn on even when I had it turned off. I found out there is a permission called CHANGE_WIFI_STATE, ...
2
votes
0answers
42 views

Why are apps given the right to run whenever they want even when they keep the phone awake?

This question is quite related to (and could end up being closed as a duplicate of): How can I stop applications and services from running? I would probably just comment there to get clarification ...
1
vote
0answers
29 views

System Shared Preferences

I am new to Android. Using shared preferences each application can store key-value pairs and it can be in several modes (private, public read, etc) and the default mode is the private mode because of ...
0
votes
1answer
115 views

Can app with Storage permission access all data?

When I give Storage Permission to an app, is it true that it is able to access all data on the internal and external media, for instance the Downloads folder? Or does it only get access to store and ...
1
vote
0answers
80 views

How can I list the contents of my sd card over ssh

I try to list the contents of my sdcard using kdeconnect. As I understand it, this is done using an ssh connection (sshfs). When I try to list the contents of the sd card on my computer, e.g. ls /run/...
0
votes
2answers
312 views

Are device administrator permissions a security risk?

I would like to use t-igra's SwipeLock+ app, but it requires device administrator permissions. Google Play Store lists the following permissions: receive data from Internet view network connections ...
0
votes
2answers
658 views

Why chmod gives “Operation not permitted” error?

I try to execute chmod on a file with Termux, but it sends back an error which I'm unable to solve. My phone is not rooted. If you can help me I would be most grateful to you for this! Here is the ...
5
votes
1answer
1k views

How does an app reads an OTP SMS without SMS permission?

I have recently installed an Android app from the Play Store. While registering in it, I realized that it was able to read my message of OTP without even asking for my permission to read the message. ...
3
votes
1answer
459 views

Can an app update from Play Store reinstate its permissions I've disabled earlier?

There are quite a few apps out there that request too many permissions during install time, most of them seem highly dubious. I tend to disable permissions I feel unlikely to be used and for the most ...
1
vote
1answer
2k views

Is there a way to grant myself MANAGE_USERS permission while inside the adb shell?

The thing is that I'm fed up of some stock adware apps on my Micromax phone and want to disable them for good. So, as per this answer, I used adb shell to disable the app, but I'm getting the ...
-1
votes
1answer
1k views

How to give permission to record video in DU Recorder app?

Can someone tell me how can I enable this permission that is being asked in the screenshot below?
1
vote
1answer
162 views

Prevent bloatware which gets reinstalled from starting

I had a problem with this app (I found on a package with the same name on Google Play, but I doubt it's the same thing) which kept getting installed all by itself again and again, and once istalled, ...
0
votes
1answer
306 views

How to grant permissions to ADB?

I can use ADB while in recovery mode (TWRP) so to use it normally, I followed Android - Enable ADB from recovery to enable USB debugging. There is always an error while switching users, granting ...
1
vote
1answer
5k views

What does the usage data access permission allow

I only just now became aware of the "Apps with usage access" preference view. However I'm irritated. The permission was deemed important enough as to warrant a separate setting view to provide ...
0
votes
1answer
34 views

Screen Overlay Terror

My phone has recently started a glitch with the screen overly prompt coming up whenever I try to access some of my apps. I can't do anything anymore - there's this floating app I have. I thought it ...
1
vote
0answers
397 views

For what purpose does the Google Play Store use the PHONE permission?

I noticed that, by default, the current version of the Google Play Store has access to the PHONE permission. For what purpose does the Google Play Store use the PHONE permission?
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0answers
123 views

Running commands operating on files always results in permission denied errors

When I try executing commands operating on files, they always fail. I can't check permissions on the terminal because I'd have to run a command that operates on a file (directory) in order to do so. ...
3
votes
0answers
52 views

Which user data are apps able to collect by default?

On Android, I used to prefer the mobile website of services instead of their app because of possible privacy concerns. Now I'm wondering if this is actually unnecessary. So my question is: Which ...
0
votes
0answers
89 views

Will I be granted system level run-time permissions if I put apk in /system/app or /system/priv-app on 6.0+?

I was searching around for the answer to this question and found different answers. If I make an app and move it to /system/app or /system/priv-app, will that app have access to permissions such as ...
1
vote
1answer
270 views

adobe acrobat pdf reader now wants unnecessary permissions: workarounds? alternatives?

I recently went to reinstall adobe acrobat pdf reader, I found it now requires permissions for identity and ability to create accounts - I'm sure they weren't there last time I installed it. I just ...