15 votes

Battery percentages per app nowhere near total

There's usually a wrong conception on how these "numbers" should be interpreted. For example, your screenshot shows "Screen: 3%". So what does that mean? a. the screen ate 3% of your battery, thus ...
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  • 89.1k
14 votes

Lollipop hide quick settings on Lock screen

I'm using CyanogenOS 12 (derived from CM12), so the following solution may not work on an stock Lollipop, but regardless, it is a very useful solution. The tiles that you can toggle in the Quick ...
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  • 23.5k
11 votes
Accepted

Run adb command inside the terminal emulator or programmatically without root

Addressing Revision 4 You're still doing things incorrectly even though I noted in revision 1 of my answer that you would need adb in PC for once and once alone as long as no reboot or disabling of ...
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  • 23.5k
10 votes
Accepted

Why does Android boot so relatively slow?

Few years back, I worked on Android boot time optimization, as a Android developer. Obviously, as part of this work, we first needed to analyse where Android spends time during booting. Below is the ...
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9 votes
Accepted

When will my device get the Android 5.1 update (Lollipop)?

This community wiki will list all of the known and rumored dates for devices. If you have an update make sure to follow the format that's been established, and the following guidelines: Keep devices ...
8 votes
Accepted

Custom Alarm tone in 5.1

This worked for my 5.0: Stored the files in the Alarms folder (don't think this will be necessary) Go to file with ES Explorer (or other file explorer) Play the file with the built in media player of ...
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  • 96
8 votes
Accepted

Where does Lollipop stores notification log?

The historical record is stored in memory, and is not directly available in the service API (as far as I'm aware). The Settings activity accesses it through the NotificationService....
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  • 36.5k
6 votes
Accepted

Can't find other options in the "Ok Google" detection settings page

Not all phones support hotword detection being on all the time (i.e. "OK Google" from any screen). The phone needs a lower-power co-processor, to avoid running down the battery by keeping the ...
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  • 34.4k
6 votes
Accepted

How can I permanently change my hotspot tethering IP address?

Note: Adding / removing IP address requires root access. METHOD 1: Before Android Pie, tethering IP (192.168.43.1) was hard-coded (1, 2). But now it's randomized on each session(3). You can use ...
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  • 17.7k
5 votes

Multi-user option not avilable in Android one after Lollipop update

You can enable multiuser support without rooting the device by using ADB. Enable debug mode (developer settings) Connect the device via USB to a PC with ADB installed. Execute these commands: adb ...
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  • 59
5 votes

Multi-user option not avilable in Android one after Lollipop update

It is supported, but you must have rooted device. Download file manager that allows root access(for example: ES File Explorer) Navigate to /system/ Backup build.prop Add these lines at the end of ...
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  • 149
5 votes
Accepted

Toast "The contact doesn't exist" shows up everytime I attempt to assign an image to owner account from User settings

I see two independent ways to set the Owner's picture: Contacts Dirty trick (requires root access) For the former trick, launch Contacts app → tap Set up my profile under All Contacts and ...
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  • 23.5k
5 votes
Accepted

How to keep the phone screen on while charging?

There's a checkbox exactly for that in the developer options, you'll just have to enable them to show up. To do so, locate the about/version information in the Settings app and tap the build number ...
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  • 176
5 votes
Accepted

Unknown status bar icon (Samsung Galaxy S6, Android 5.1.1)

In short, it indicates that for the mobile calls the wifi will be used, if there's a good wifi signal. I have found it there: Small phone with Wi-Fi coming from it This strange new symbol shows your ...
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  • 200
5 votes

Any reasons to update Android from stock firmware (via PC) rather than OTA?

Is there any reason to update Android firmware via PC using software like Odin, rather than just doing an OTA update? Yes. Since Android Lollipop, Google has moved to block based OTA updates which ...
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  • 23.5k
5 votes

How can't install a 338KB app when I have 474MB free?

Note: the quoted user was me. And here is the reference. To explain why it wasn't 10% in your case, here's an exception from behind the link: "As long as the device maker doesn't change the default ...
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  • 89.1k
4 votes

Restoring wpa_supplicant.conf [root]

In my case it was necessary to change the owner and group of the file to wifi: mount -o rw,remount /system chown wifi:wifi /data/misc/wifi/wpa_supplicant.conf ls -la /data/misc/wifi/wpa_supplicant....
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  • 156
4 votes

Why does Android boot so relatively slow?

Android boot is slow? My phone has a Quad Core, 3 Gig of RAM ... Android (Both KitKat and Lollipop) takes some 80 seconds to boot to completion. My phone is only dual core with 1G RAM (Zenfone 4) ...
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4 votes
Accepted

Internal SD card accessible through PC even after encryption

You can't prevent that. It is because your device is mounted to the computer via MTP. It's supposed to be visible. However, whenever you boot up, a password will be required to decrypt your device ...
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4 votes
Accepted

USB debugging option greyed out in Samsung Galaxy J5 runing Android 5.1.1

OK, here is I got the solution! there wasn't any bug or error in Android. It is because I have installed Samsung My Knox in my phone. Knox give an extra protection to device and also for some security ...
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4 votes

Retrieve WiFi password

You can't get the passwords without root access because shell (adb) is not privileged to access the file containing those passwords. As you would know, the file wpa_supplicant.conf contains all the ...
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  • 23.5k
4 votes

Any reasons to update Android from stock firmware (via PC) rather than OTA?

It depends. It depends on how the full flashable tar/kdz was obtained. If it was obtained from an OTA capture, what difference does it make? Just doing the OTA would then be the most direct from the ...
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4 votes
Accepted

How to power-off Motorola phone without screen

I can't be sure that this is the optimal way to power-off the phone, but it seems to work. Press and hold power until it buzzes or about 15 seconds, then release. Press and hold volume-down and the ...
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  • 413
4 votes

How to power-off Motorola phone without screen

Came upon this when I was looking for a way to shut down my Moto Z with a broken screen and the method described by Dale (thank you) almost worked, but then I figured out it required one extra step. I ...
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  • 41
4 votes

Unable to activate USB debugging after upgrading to Android 5.1.1

Open settings and go to storage Press menu and go to USB Storage Mode Change to USB or MTP (NOT Charge only) Disable and re enable Development options with the 7 clicks on Build Number Screenshots (...
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  • 1,586
4 votes
Accepted

Unable to activate USB debugging after upgrading to Android 5.1.1

Removing 'persist.system.usb.config' file from data/property/ folder and restarting the device solved the issue for me. After restart, the device shows the option to enable 'USB debugging'. Root ...
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  • 169
4 votes
Accepted

How can I stop adverts from "System Update" from showing up on my lockscreen on a Micromax phone?

Thanks to help from @Izzy, I've figured it out. Annoyingly, Micromax have bundled something calling itself System Update that is set as a System Component and is generating these adds To find out ...
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  • 161
4 votes
Accepted

Unable to mount /system as read-write

I've found the source of the problem asking in the MIUI forums, the boot image will not accept a modified /system. You have to use the adb interface: adb devices then adb disable-verity. Disclaimer: ...
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4 votes
Accepted

How can I prevent installation of NEW applications on an Android 5.1 device, but keep auto-updates of existing applications?

There are multiple approaches you could take: a kiosk-mode solution. That would pin the user to a certain app or group of apps defined as "kiosk" parental-control apps, which are often a specific ...
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  • 89.1k

Only top scored, non community-wiki answers of a minimum length are eligible