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509 votes
1 answer

How do I root my Android device?

This is a common question asked by those who want to root their phones. How exactly do I root my Android device? Are there risks involved?
368 votes
8 answers

How to fully backup non-rooted devices?

I know I'm asking for the close-to-impossible -- as a real full-backup certainly requires root permissions. But still there are many folks around not wanting to root their devices -- afraid of voiding ...
Izzy's user avatar
  • 90.5k
314 votes
3 answers

I've rooted my phone. Now what? What do I gain from rooting?

This is a common question by those who have just rooted their phones. What apps, ROMs, benefits, etc. do I get from rooting? What should I be doing now?
286 votes
6 answers

Does constant charging harm my Android cellphone?

I usually disconnect my cellphone from the charger some time after it's fully charged because I'm afraid the battery could lose capacity over time if I don't. However, I believe modern electronics ...
mafu's user avatar
  • 2,961
194 votes
22 answers

What can I do to increase battery life on my Android device?

What can I do to get better battery life on my Droid? Battery life seems awful. Less than 15 hours or so on normal usage.
178 votes
15 answers

What are the alternative Android app markets?

How many competing Android markets (other than the Play Store itself) are there and are they any good? Which ones do you use and why?
178 votes
7 answers

How do I change the Google Play country?

Can someone tell me how to change the country preference for Google Play? I have searched high and low but in most of the forums people ask you to go to Gmail settings -> edit profile and change the ...
bobbyalex's user avatar
  • 2,286
176 votes
14 answers

How do I view source code in an Android web browser?

Is there a way to view the source HTML in an Android web browser?
Vijay's user avatar
  • 1,863
173 votes
9 answers

What is the difference between: Rooting, Jailbreaking, ROM, Mod, etc.?

What is the difference between: Unlocking the bootloader (prerequisite for doing many, though not all, other things below) Rooting Jailbreaking ROM NAND and Nandroid Operating System Mod (e.g. ...
159 votes
21 answers

How to take a screenshot with an Android device?

Is there a way to take a screenshot of an Android device and save it as an image file?
Louis Rhys's user avatar
  • 7,028
157 votes
16 answers

How do I back up Google Authenticator?

I'm starting to use Google Authenticator for more and more things now, but I've just realized that if I lose my phone, or if I need to wipe and restore it to install new firmware, I will lose all of ...
Nick's user avatar
  • 1,693
155 votes
1 answer

Where can I find stock or custom ROMs for my Android device?

There are several reasons to be looking for a ROM: Upgrading or downgrading your stock ROM Looking for firmware from a different region/language Flashing a custom ROM for different features, removing ...
151 votes
7 answers

What does "to root a phone" mean?

I heard this phrase or the variants (rooted phone, rooting, etc.) in android forums but I don't know what it means. Can you explain it in simple terms?
Louis Rhys's user avatar
  • 7,028
151 votes
5 answers

What actually happens when you swipe an app out of the recent apps list?

The recent apps list in Ice Cream Sandwich added the ability to swipe apps out of the list, thereby dismissing them permanently (and as far as I know this is a vanilla function, not a CM/custom ROM ...
eldarerathis's user avatar
  • 36.7k
147 votes
10 answers

How do you extract an App's data from a full backup made through "adb backup"?

I have been backing up my Nexus 7 with adb backup to back up all files into an encrypted backup. I see that you can restore from a backup with adb restore, but that would wipe all my existing data on ...
user avatar
147 votes
6 answers

Are there any risks to rooting a device?

I see lots of tutorials telling me how to root my phone (Motorola Droid), but none of them mention any potential "side effects." Aside from a few relatively minor issues that seem to require rooting ...
Aaronaught's user avatar
  • 2,224
145 votes
3 answers

Where do Android apps store data?

Could you list all the possible directories where Android apps may store data? Can you also provide description of the kind of data stored in each directory?
zduny's user avatar
  • 1,777
141 votes
2 answers

Why can't I press the Install button when installing applications from unknown sources?

I'm trying to sideload an application, as seen in the picture below. I have allowed the installation of applications from unknown applied actions in settings, but I can't seem to press the install ...
user avatar
141 votes
8 answers

How can I use my PC's keyboard in the Android emulator?

I want to run/test Android apps on the Android emulator and I want to type using my PC keyboard, as it lets me type and test faster. When I use the emulator though, it only accepts input from the ...
Hafiz's user avatar
  • 1,533
141 votes
4 answers

How can I view and examine the Android log?

There is a lot of interesting stuff in the Android system log, that is helpful in many ways find root causes of problems identify misbehaving apps How can I view and examine the Android log?
Flow's user avatar
  • 18.4k
137 votes
7 answers

How to set up reverse tethering over USB?

My HTC G2 phone is rooted and running Cyanogenmod 7 I don't have a data plan. Sometimes I want to connect the phone to the Internet when there isn't Wi-Fi, to update Market apps, backup SMS messages ...
endolith's user avatar
  • 3,017
130 votes
2 answers

When will my device get the Android 4.0 update (Ice Cream Sandwich)?

Android 4.0 (Ice Cream Sandwich) was officially announced on October 19, 2011. (You can review the high level SDK changes in Android 4.0 or the official changelog at the official Android Developer's ...
125 votes
1 answer

Can I install Android on my non-Android device?

Many people want to try/use Android without buying a new Android phone. How can I install Android on my current phone or device running Nokia Symbian, Maemo, or MeeGo; Microsoft Windows Mobile or ...
Matthew Read's user avatar
  • 50.5k
123 votes
9 answers

Not all files are visible over MTP

I have LG L5 (e610 model) device with Cyanogenmod 10. When I connect the phone to a computer with Linux (I have mtpfs installed), I can see both internal storage and the SD card. However when I ...
Aleks G's user avatar
  • 1,343
122 votes
6 answers

How can I shutdown my Android phone using an adb command?

How do I halt an android phone using adb command? I can reboot, but I don't know how to halt. I tried shutdown -k wait command, but it did not work.
Blacklist Human's user avatar
119 votes
8 answers

View app's full package name?

I am using Android 4.0.3 and I can no longer find package name for some app. If I recall, I used to go to Applications and has been able to see it there. So, how can I see full package name of some ...
AnDroDroo's user avatar
  • 2,875
114 votes
4 answers

Where in the file system are applications installed?

I have installed a few Android applications both with the adb install MyApplication.apk command and via a webserver (like an alternative to Android Market). But where in the Android file system on my ...
Jonas's user avatar
  • 4,997
113 votes
14 answers

What can I do to manage my phone's internal storage?

If you're not used to seeing the 'low on internal storage' notification, what is it that you're doing to keep your phone's internal memory from filling up so quickly? The 'SD Card and Phone Storage' ...
kchau's user avatar
  • 1,550
107 votes
5 answers

How can I see what IP address my android phone has?

I would like to know what IP-address my Android phone has. E.g. if I use my phone over WiFi, how can I get the local IP-address that is assigned to my phone?
Jonas's user avatar
  • 4,997
97 votes
7 answers

Do I really need to install a task manager?

Does one really need to install a task manager? My phone does slowdown on rare occasions but it's not something that hampers regular usage.
Ravi Vyas's user avatar
  • 1,583
94 votes
6 answers

How to use Windows' internet on Android phone through USB cable

I'm using Android 4.4.2 (on Micromax Unite 2 - A106). I've a Windows PC at home which has highspeed broadband internet connection. I don't have wireless router or access point. I just want to use PC's ...
claws's user avatar
  • 993
94 votes
1 answer

When will my phone get the Android 2.3 update (Gingerbread)?

Android 2.3 (Gingerbread) SDK was released on December 6, 2010. (High-level user highlights) Of course, not all devices will get this update right away and others won't get it at all. Each ...
92 votes
4 answers

Uninstall apps locked by phone vendor

I'm using a Samsung I9000 and I have some annoying apps that came pre installed by the phone vendor, like a music store, a custom web browser and other memory leaking apps. Those crappy apps can't be ...'s user avatar
  • 1,023
90 votes
12 answers

How can I export the list of open Chrome tabs?

Chrome's sync feature isn't picking up all of the tabs open on my Android phone. Are the tabs stored in a file somewhere that I can access? My intention is to export the list of tabs so that I could ...
Majjo's user avatar
  • 1,003
90 votes
5 answers

Why do so many applications require permission to read the phone state and identity?

Why do so many applications require permission to read the phone state and identity?. Specifically: Phone calls read phone state and identity For example Quickpedia is a Wikipedia portal, but ...
user avatar
90 votes
9 answers

Is it possible to install an app and exclude some of its requested permissions?

Occasionally I want to install an application which requires certain permissions that I feel it really shouldn't need. Can I install the app without giving it these permissions? For example, GPS ...
Louis Rhys's user avatar
  • 7,028
86 votes
15 answers

How can I download an APK file from the Play Store?

I can't download apps from the Play Store on my Android device (maybe due to a network issue), so I'm wondering how could I download the APK file of an app on my PC from
wong2's user avatar
  • 993
86 votes
6 answers

How can I verify the authenticity of an APK file I downloaded?

The latest update of Google Maps is unavailable in my country, so I downloaded a version by googling for "Google Maps 5.4.0 apk". I did in fact find it, but now I wonder how I can tell if this is in ...
Nathan Fellman's user avatar
86 votes
3 answers

Can not unlock my Android device as have no internet connection?

I have an Android device which is running Android 4.0.3 (or something like that). My little brother decided to try and guess my lock screen pattern the other day, and ended up locking me out. I ...
Liam W's user avatar
  • 8,396
85 votes
4 answers

Android browser's about:debug, what do those settings do?

I have just found this hidden setting: Open Stock browser (Not Chrome on ICS. about:debug doesn't work in Chrome. Use remote debugging instead.) In the address bar, type about:debug, nothing should ...
84 votes
4 answers

Battery Life and First Time Charging on Li-ion Batteries. Myth? [closed]

"Ok you bought a brand new mobile phone with brand new battery, after checking its working ok kindly switch it off and charge it fully (100%) then start using it. IT WILL INCREASE YOUR BATTERY LIFE.", ...
user54879's user avatar
  • 915
83 votes
8 answers

Disable Screenshot Security

Some apps don't allow screenshots so how can I still take a screenshot? It is my phone and I should be able to do whatever I want with it so why is there even a feature to disallow screenshots? ...
Pali's user avatar
  • 941
82 votes
6 answers

Change Gmail account to make in-app purchase?

What is the procedure to change email account which you want to use to make in-app purchase? Take a look at the image. Click to enlarge the image I am using 2 Gmail accounts and only 1 has a ...
AnDroDroo's user avatar
  • 2,875
82 votes
8 answers

Why do Android phones have more cores than computers?

Laptops have usually at most four cores, and dualcores are probably more common. I have recently switched from quadcore to dualcore and I can confirm there is a limited number of usecases for quadcore,...
v6ak's user avatar
  • 1,145
81 votes
4 answers

What is the offical name of the third on-screen button?

I am searching for the official name of the third (right) android on-screen button. The left and middle button are clear: Left: Back button Middle: Home button Right: ??? Android 1 - 4.4 Android 5....
Robert's user avatar
  • 18.5k
81 votes
11 answers

How to use GPS/Maps without an Internet connection?

I need a way (possibly a third-party application) that allows me to use maps and GPS without an Internet connection. I don't use it by car, just for walking in cities. It would be nice if I could ...
Nicolas Raoul's user avatar
79 votes
3 answers

What linux distribution is Android based on?

Did Google use some existing distribution (Debian, Red Hat, etc.) to create Android, or did they use the bare essentials (kernel, file system and some mandatory files)?
lamcro's user avatar
  • 1,221
78 votes
4 answers

Enable and disable system apps via ADB

Is there any adb command to enable/disable a system app? Thanks
lao's user avatar
  • 883
77 votes
4 answers

How to start root shell with Android Studio?

I just installed Android Studio. How do I get into root shell on my phone? Or do I have to download ADB separately?
trusktr's user avatar
  • 1,267
77 votes
9 answers

How to disable battery full notification sound?

When battery has been charged full, my Galaxy S phone gives the same notification sound that is used when I receive SMS. Is there a way to disable the sound without also disabling sound from SMS? It ...
Kaitsu's user avatar
  • 1,679

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