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16 votes

How to share files between a regular account and a work account?

It might not always be possible to transfer data between multiple users/profiles. It depends on the Device/Work Policy Controller app, installed by you or your IT admin. Android device can be managed ...
Irfan Latif's user avatar
  • 20.6k
12 votes

How to access /storage/emulated/10 (multi-users env) in adb shell on Android 9+ without root access?

WHY IS ADB DENIED ACCESS TO MULTI-USER STORAGE? Access to /storage/emulated/10 is denied from adb shell due to this change in Android 9: Add "default_normal" support to vold. This new flag ...
Irfan Latif's user avatar
  • 20.6k
11 votes

Is there a way to remove the Guest account?

To remove guest user from android device follow this link This simply says that you have to enter into guest account then from settings -> users -> remove guest user you can remove guest user.
user205426's user avatar
10 votes
Accepted

ADB installs apps for all users. How to force it to install to main user only?

Mention the specific user as an argument for which the package is to be installed. Example: adb install --user USER_ID YOUR_APK adb shell pm install --user USER_ID YOUR_APK # alternative command ...
Firelord's user avatar
  • 25.1k
9 votes
Accepted

How to unlock non owner account after reboot?

It seems like by the primary user (here called "user 0") has to log in by definition as the first user. The documentation on the File Based Encryption (FBE) does not give many details on the ...
Robert's user avatar
  • 20.5k
8 votes

Are multiple-users protected from each other differently than apps?

PRIVACY: ANDROID VS. *NIX: PROTECTION: Being protected has a very vast meaning, varying for persons and situations. Comparing Android with *NIX systems, admittedly the former offers more isolation ...
Irfan Latif's user avatar
  • 20.6k
7 votes
Accepted

Are files created in "/storage/emulated/0" supposed to appear in "/storage/sdcard0"?

I've checked on one of my devices, and as the comment chain already suspected, you don't need to worry about everyone having access to everybody elses data. First: /storage/sdcard0 -> /storage/...
Izzy's user avatar
  • 91.2k
6 votes
Accepted

What is the "u#_everybody" UID?

As stated here: Cross-user interactions are blocked using the everybody GID. Android reserves UIDs / GIDs ranging from 10000 to 19999 for apps. AID_EVERYBODY is one of the special groups, which is ...
Irfan Latif's user avatar
  • 20.6k
4 votes
Accepted

How to disable the guest feature WITHOUT having to be the only user

This one works for me on Android 5.0.1 and 5.1.1 Open a terminal, grant it root access then run settings put global guest_user_enabled 0 You don't need to add fw.max_users=1 to your build.prop. It ...
iBug's user avatar
  • 7,767
4 votes

Where is user/group id info stored on Android and how do I interpret it?

Here my thoughts on how Android implements UID/GID lookup. I hope it will be helpful to anyone who is having the questions. grp_pwd.cpp describes how Android translate a UID/username to a passwd ...
ppoffice's user avatar
4 votes
Accepted

"Ok Google" i.e google assistant does not work for anyone but me

Train her voice by going to Settings → Google → Voice → Voice Match → OK Google Voice Model → Retrain Voice Model on 7.1.2 for other versions you may need to search in ...
beeshyams's user avatar
  • 41.1k
4 votes

How to share files between a regular account and a work account?

Found a very simple way, just using web browsers in both work and regular profiles. Open a browser in each profile and browse to snapdrop.net URL, which should open a session with a random username ...
Etienne's user avatar
  • 41
3 votes

Is there a way to remove the Guest account?

After much effort, I tried this simple method and it worked to solve the problem of being able to create a new user or logon as a guest with zero prompts for a password from the lock screen. Note that ...
Darryl Gittins's user avatar
3 votes

How to install a certificate to Work Profile user

Related: Android 10 and 11 CA Cert on Work Profile To install a user ca certificate into work profile you will need root access. Installing user certificates into work profile: Install an exported ...
otuva's user avatar
  • 31
3 votes

How to find out currently running user name/ID from ADB

I tried everything Firelord suggested, but non of it actually gave useful results. It always says that all users are "RUNNING", "Last logged in" doesn't update/reset when switching user accounts... I ...
Forivin's user avatar
  • 237
3 votes

How to use two different numbers in the same phone via WhatsApp?

There are multiple possibilities: Some stock/custom ROMs (e.g. MIUI) let you create a new user with a non-zero ID by utilizing the Multiple Users / Work Profile feature of Android. You can switch ...
Irfan Latif's user avatar
  • 20.6k
3 votes

How to share files between a regular account and a work account?

Use Total commander for Android or other 3rd-party file managers where you are able to use "Share via.." and the app will save the files in a new destination. E.g. the steps: In the work ...
sanchez0x's user avatar
3 votes

Factory reset without erasing data will cause second user data removed?

I went ahead tried to factory reset my phone without erasing internal storage. Device - Oneplus 5, Android 8.1.0 , OOS 5.1.4, Not rooted Before reset Users admin work Below are the storage details ...
bourne's user avatar
  • 81
3 votes
Accepted

unlock developer options for new user?

@alecxs is right. Enable developer settings you want as the main user; then it will be the same across all users (at least, this is what worked for me). Note that often if you are connecting to ...
44yu5h's user avatar
  • 1,538
2 votes

How can I transfer apps from one profile to another on my tablet?

If this is about a Child profile, login as the Admin/Owner account, go the Settings > Parental controls > Household profile > Manage child's profile > Add content > Share content, and ...
Marie's user avatar
  • 21
2 votes

How can I transfer apps from one profile to another on my tablet?

From the Admin/Owner account, go to Settings > Users > (user name) > Apps, click the little cog next to the restricted account, and you will see all apps permissions. You can give access to ...
Frank's user avatar
  • 21
2 votes

Is there a way to remove the Guest account?

There is a now a better solution available named Single User Mod (tested on stock Android 7.1.1 but should work for earlier Android versions too). Pre-requisites: Magisk (framework) and Magisk Manager ...
Firelord's user avatar
  • 25.1k
2 votes

Is there a way to remove the Guest account?

Without rooting the device and still be able to change build.prop, no need for adb or developer tools. In short: I found the right twrp for my device, then used latest Odin to flash twrp on it. Then ...
welemmanuel's user avatar
2 votes

Mount external SD-card for the secondary user

Some people wrote in 2013 that this is impossible, or at least was impossible back then. Here is what I found on a SonyMobile forum: "Each user gets their own [internal] space and only the owner has ...
Maxim's user avatar
  • 121
2 votes

Show notifications for all users

I'm sorry there is no way you can receive the notification of the other user, because according to the concept of 'Users' in android each user represent a different physical user of the device. So ...
PasinduJay's user avatar
2 votes
Accepted

Why can't I add any more user?

You've reached the maximum numbers of users supported for your device. That's why the entry is grayed out. You can attempt to confirm this by executing the following command in a terminal emulator app ...
Firelord's user avatar
  • 25.1k
2 votes

Enableing unknown sources installation from 2nd user on android 6.0

Enable USB debugging as the first user(owner) and run, adb install -r filename.apk This will install the app for all users. Hope it helps
Sajal Narang's user avatar
2 votes

Reset the password of multiuser account with root

GOT IT - very easy: Using your favorite Root - Only File Manager, navigate to /data/system/users and the propriate users subdirectory (10 , 11 , 12 ...) and there just rename or delete the passwort....
Klasi's user avatar
  • 31
2 votes

Change "administrator" account in Android

The owner of the device remains the administrator no matter what. The device owner is set during the setup wizard, and cannot be changed without a reset.
Several Circles's user avatar
2 votes

How can I allow a second user account to unlock my device after a reboot?

So I had the same problem with an employee to whom I had given a phone. She kept forgetting to charge the phone, so when it rebooted after charging she had to hand me the phone so I could type in the ...
ED T.'s user avatar
  • 21

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