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11 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 ...
AADAndroidEnthusiasts's user avatar
7 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 ...
Irfan Latif's user avatar
  • 20.8k
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 ...
Dan Hulme's user avatar
  • 35k
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 ...
Izzy's user avatar
  • 91.2k
5 votes

How to update webview without using the Google Play store?

The Google WebView application is very different from regular ones. You cannot use Package Installer to install or update it in a common way. You must do it yourself (As for my Lollipop 5.1.1). Here's ...
iBug's user avatar
  • 7,797
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) ...
bangbambang's user avatar
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....
DanielAW's user avatar
  • 156
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 ...
Izzy's user avatar
  • 91.2k
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 ...
K42's user avatar
  • 41
4 votes

How to make WhatsApp store media on external SD card (instead of device storage)?

Unfortunately, there is no way you can do this without root access. If you know what is rooting or if you have already rooted your mobile, then follow this answer. But if you don't know, please don't ...
Em Ji Madhu's user avatar
4 votes

I need help with my phone...this is urgent

Unfortunately, you did this to yourself... flashing a "modified" gapps package that is not known to work with your device can cause unknown conditions. These packages are applied to the system, so a ...
acejavelin's user avatar
  • 6,197
4 votes

Consequences of disabling com.android.SystemUI

Is it safe to disable com.android.systemui? from Stack overflow : If you completely remove SystemUI.apk from the system, your device will hang on start-up and never fully boot again. Tried it ...
beeshyams's user avatar
  • 41.1k
4 votes

I accidentally deleted protected google chrome app. Now it is nowhere in phone. Please help me to get it back

Why do you need to replace the file or folder back? Download Chrome from Play Store
Anu Shibin Joseph Raj's user avatar
4 votes

I can't purchase anything on play.google. I get error "error retrieving information from server [DF-RPC-01]"

This usually happens for one of two reasons: The payment information registered to your Google account is invalid and causing problems. The application data of the Google Play Store is corrupted ...
famdekk's user avatar
  • 443
4 votes
Accepted

How to use an external sdcard as internal in Android Lolipop 5.1.1?

sm is actually not a binary, it is a shell script for java program which does not exist/work on 5.1-lollipop # Script to start "sm" on the device, which has a very rudimentary # shell. # base=/...
alecxs's user avatar
  • 4,089
3 votes

Retrieve WiFi password

I have to say I am surprised that the answer to this is hidden so well on the internet. It is a myth that retrieving the WiFi passwords from an unrooted device is impossible. Prerequisites: ...
life-on-mars's user avatar
3 votes
Accepted

WhatsApp contacts doesn't merge with Google Contacts

I might be a little late, but still, at least for google. I had the very same problem recently, some whatsapp contacts were separate from original (google / device / doesn't matter). Manual join did ...
JirkaBitr's user avatar
3 votes

pm hide VS pm disable -- the identity crisis

I don't have enough points to comment yet.. This is not an answer... more like... information: pm hide does this pm disable does this and if it can find the component name then this. I can see how ...
Jeff Luyet's user avatar
3 votes

Disable Notification Vibration for Specific Apps

Via https://www.xda-developers.com/stop-vibrations-android-apps/ : Vibration can be disabled per-app with an adb command: adb shell cmd appops set [package] VIBRATE ignore The [package] is usually ...
Jacob C.'s user avatar
  • 141
3 votes
Accepted

How to enable auto sync on WiFi only

There is no way to do this without the use of third party apps. You can use Tasker to automate your phone. You can add a task that enables auto sync when you're on WiFi. The stock android doesn't ...
rajatpunkstaa's user avatar
3 votes
Accepted

How to make screen stay turned on while charging?

This option is still there in developer settings. Those settings have just been hidden since around Android 4.2/4.3. Our developer-options tag-wiki shows you how to enable them: Go to Settings → ...
Izzy's user avatar
  • 91.2k
3 votes

I can't purchase anything on play.google. I get error "error retrieving information from server [DF-RPC-01]"

Possible resolutions to the [DF-RPC-01] ( Remote Procedure Call Failure error) Well certainly I too believe it has nothing to do your device, even a lot of people have complained about the issue: ...
xavier_fakerat's user avatar
3 votes

How to update webview without using the Google Play store?

You try to update "com.google.android.webview", but your system uses "com.android.webview" version.
Dmitry Tupikin's user avatar
3 votes

Lengthy sleep command not working in script

If it’s the terminal thing @IrfanLatif wrote, try this: #!/system/bin/sh # run a command block in the background, detached from all terminals /system/bin/sh -T- -c ' # Wait for boot to complete ...
mirabilos's user avatar
  • 673
2 votes

No more puncuation shortcuts in lollipop google keyboard?

What keyboard are you referring to? If you're on the latest google keyboard ( 5.0.25.xxx) then you can turn this on by: settings > Language and Input > Google Keyboard > preferences > ...
blueren's user avatar
  • 466
2 votes

Messenger - How to not automatically turn group messages into MMS?

This is applicable to Google Messenger version 1.8.268 updated on 17 May 2016. Go to Settings>Advanced>MMS>Group messaging Select "Send individual SMS messages..." Hope this helps.
Radzi Aziz's user avatar
2 votes

Is it possible to simulate touch without root?

I tried the what @user43185 proposed, but it won't work. But, as an alternative, I see that is possible to use the following. input [text|keyevent] input text <string> input keyevent <...
Zack's user avatar
  • 121
2 votes

How to disable flashlight in lock screen in Lollipop on Xcover 3?

Today my girlfriend's father ask me how to solve it. I've just written an lightweight app (7kB) which does nothing at all. Download it from here and set as your XCover button app :)
klimat's user avatar
  • 121
2 votes

Nexus 5 only emergency calls call are allowed by device owner

Ok, log back in as the owner of the device (if you can) Slide down the menu from the top Click on the user icon Click on "More Settings" down the bottom Click on the settings cog next to the user ...
Ryan Knell's user avatar

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