28
votes
3answers
24k views

Is there a way to look inside and modify an adb backup created file?

I created a backup of my Galaxy Nexus with adb backup. The resulting file is named backup.db and it's somehow encrypted. I wanted to restore the backup, but it stops when it comes to restoring ...
26
votes
2answers
21k views

What information does stock Android send to Google by default, and how do I opt-out?

I'm about to buy my first Android phone. My understanding is that, in order to download apps and get updates from Google Play, I need to be permanently signed into a Google account that's linked to my ...
22
votes
1answer
10k views

What are some general tips on improving overall performance of an Android phone?

I was wondering if anyone could share some general tips on speeding up/ improving performance of your phone. I have had my droid eris for about a year now and it seems more sluggish than ever. I ...
41
votes
7answers
35k views

Can I use 2 android phones as walkie talkie? (without internet!)

I want to use 2 (or more) android phones as walkie-talkie (i.e. they talk each other without needing internet/voice call). Of course this should work with WiFi, because it doesn't make much sense a ...
24
votes
8answers
91k views

How can I open an HTML file I have copied from PC to SD Card of Phone?

How can I open an HTML file I have copied from PC to SD Card of Phone? I've tried opening it with the default application which is HTML Viewer but I get a "Web page not available" system page. The ...
38
votes
7answers
67k views

Can I use multiple Android devices with a single Google account?

Surprisingly I haven't found a satisfactory answer for this in a FAQ somewhere or anything. I have a Motorola Droid (with froyo, if it matters) I am thinking about getting a Samsung Galaxy Tab. ...
22
votes
3answers
63k views

Can an Android phone be used as a Bluetooth headset/speakers?

Is there a way to make an Android phone (HTC Desire HD) act as Bluetooth speakers or headset? I'd like to use the phone as wireless headphones whilst watching a movie on a computer (running Ubuntu).
17
votes
2answers
25k views

How can I deal with unwanted system applications without rooting?

There are a lot of system apps in my mobile that I do not use, and have no intention of ever using. I know that is is possible to uninstall system apps and bloatware with root, but is it possible ...
20
votes
5answers
86k views

Block apps from accessing the Internet on Android device

In Android, is it possible to block apps from accessing the Internet? Many apps will often connect to remote servers in the background, including Google's own apps or system services. Over time this ...
8
votes
1answer
39k views

How can I modify the phone model in build.prop to get unsupported apps?

I currently have a rooted HTC Legend. In light of the current Android Market sales, I would love to be able to purchase some of the apps on sale without a compatible handset, since I plan to get a ...
17
votes
5answers
9k views

How to remove apps from “all downloaded” in Play Store

In the new Android Market/Play Store (3.5.15) they have now got a list of "all downloaded" apps. I have had an android phone for a good 2/3 years now and the list is huge, plus sightly more ...
3
votes
2answers
33k views

How to unlock Google Device Manager remote lock?

I have a rooted Samsung S4 mini with the latest stable CyanogenMod installed (cm-10.2.1.3). I was playing with the Google Device Manager (https://www.google.com/android/devicemanager) and tried to ...
0
votes
1answer
14k views

How to perform a full system dump/backup with a broken screen?

So, yesterday my phone took a serious tumble. It is now essentially useless, as the screen either fails to turn on, or when it does, there is nothing useful to see (just lines of primary colors, ...
15
votes
3answers
27k views

Why is “insufficient storage” wrongly reported when installing an .apk via adb? [duplicate]

I have an HTC Desire running Froyo. It is not rooted, nor have I installed any custom ROM. I get an "Insufficient Storage" error when I'm trying to install an app via adb/eclipse. The .apk is only ...
7
votes
2answers
19k views

Is it posible to change the locale of my device?

In my Android phone when I go to Settings -> Language and Keyboard Settings -> Select Language I see "Locale" as the title on the top row and see that only few languages are listed. I suspect ...
16
votes
0answers
1k views

apps automatically starting? [duplicate]

Possible Duplicate: How can I stop applications and services from running? I noticed that some apps automatically starts without me opening it. Some of them runs everytime I turn on the ...
6
votes
1answer
3k views

How can I set the locale and language?

How can I set the keyboard and language in Android, and how can I add more languages to the device?
6
votes
2answers
8k views

How can I add the market to my device? [duplicate]

I have a white Pandigital Novel that I hacked to run Android 2.1. The firmware I have did not come with the market. Is there a way I can put the market on it? Is there a "market.apk" somewhere?
4
votes
3answers
6k views

Broken Screen + Using adb shell to run vnc server

I have an HTC HD2 with a completely busted screen, I tried repairing it with a replacement screen but broke the ribbon cable to the screen (oops) sad day, I've got two of these and I've been running ...
3
votes
1answer
2k views

Which program allows remote management of Android devices?

I have 50 Android tablets. I want to be able to control from a central place the following things on the devices: General settings like date-time, unlock method, display sleep time etc; Chrome ...
3
votes
1answer
2k views

Package Install via Market sometimes fails and gives seemingly random error message

Some times when I install an application, the installation will fail. However, the errors it throws are not only incorrect, but seemingly... random. An example is, it'll fail and throw 'Insufficient ...
3
votes
2answers
2k views

Is some of my internal memory missing?

I have an HTC Wildfire (the original, not the S version). It is supposed to have 512MB of memory. When I check my free space in the app manager I noticed I have around 185MB. Why is this? I am using ...
95
votes
5answers
56k views

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 ...
19
votes
3answers
122k views

How to view the android service menu (secret menu)?

Most of the mobile manufacturers include a hidden service menu in their mobile handsets. These menus allow users (or developers) to access some technical information and service personnel to access ...
68
votes
5answers
41k views

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 ...
17
votes
7answers
3k views

How can I find a lost phone or help people return it?

I'm looking for an app like Where's My Droid to help locate a lost device. Ideally I'm hoping there is one that might have two specific features: The ability to display a message to the screen to ...
23
votes
3answers
28k views

How can I get apps from the Amazon app store from an unsupported region?

Currently, the Amazon app store appears to be US-only. Similar to How do I use the US Android Market, I want to know: How can I use the US Amazon Appstore? Market Enabler doesn't seem to work, and ...
39
votes
4answers
4k views

Is an antivirus really needed for Android?

I use Linux for half a decade now, so I am not used to dealing with viruses anymore. To my surprise, I saw some discussion about antiviruses in Android. I haven't installed any yet, but this bugs me: ...
30
votes
3answers
42k views

Do I have to charge my phone before I use it the first time?

When I got my last phone, a SE k850i, I was recommended to charge it fully once before I even turned it on. Does this apply today as well, for my coming HTC Desire HD? Why was I recommended to do so ...
30
votes
7answers
59k views

How do I change the name of my Android device?

My Android device is the Nexus One. But this should apply to all current Android devices. How do I change the name of my Android device? When I connect to my wireless router's client tables, my ...
27
votes
3answers
183k views

Where on the file system are SMS messages stored?

Where in the file system are SMS messages stored? I'm using ES File Explorer to browse around but can't seem to find this - is it on the phone or the SD, and where? I have an HTC Wildfire but I ...
12
votes
9answers
12k views

Better way to connect Galaxy Nexus (ICS) to Linux

I can connect my Galaxy Nexus to my Kubuntu machine using the PTP protocol, but it's really slow. I've read this interview about why Galaxy Nexus doesn't support USB Mass storage, and I've gone to ...
19
votes
1answer
26k views

How to upgrade / swap SD card without losing data and installed apps?

I have 2GB Micro SD card in my Android and want to upgrade to 4GB. How can I achieve it without losing anything from my 2GB card? I mostly use this card to store images/music and most of the apps.
18
votes
2answers
31k views

Install 4.3 (OTA) on rooted Nexus 4 (CWM + stock rom, kernel)

I'm running Android 4.2.2 on my Nexus 4. It is rooted, and I have ClockworkMod recovery installed, but rom and kernel are stock. I received the OTA update to 4.3, and would like to install it, but it ...
10
votes
3answers
10k views

How frequently is it okay to let the battery discharge fully or as low as possible?

I know that atleast once or twice a month a full battery drain and then a 100% charge helps increase the battery life and also gives more accurate battery readings. I was wondering, how frequently is ...
15
votes
1answer
5k views

Popups, dialogs, notifications, toasts: what's the difference?

I'm trying to troubleshoot a problem with an unwanted pop-up message, and the person who's trying to help asked what kind of pop-up it is. It's just a message on the screen, what difference does it ...
15
votes
7answers
5k views

Are the apps safe? How can I make my Android more secure?

Are the apps on the Android Market checked or audited? If I search Google for "hardening Android", the best hit I can find is Google Android Hardening Checklist. What's your opinion regarding this? ...
28
votes
5answers
294k views

Getting “Authentication is required” when trying to access the Play Store

Over the past week, whenever I try to open the Play Store/Market app on my phone, the app thinks for a while and then displays this error message: Authentication is required. You need to sign ...
12
votes
2answers
98k views

Why can't I install apps when I have enough storage?

In "Settings" > "SD card & phone storage settings" under "Internal Phone Storage" it lists "Available Space" as 13.78MB. I'm trying to install an app that is 2.38MB. Why do I get the ...
25
votes
2answers
6k views

How to hide updates from market?

I have an app that has updates that reduce the functionality of the app. Is it possible to hide the updates so that I can use the "update all" feature, or update all apps from the list without ...
16
votes
2answers
33k views

Why did /sdcard/ turn into /sdcard/0/ with 4.2?

I've never seen this before so I'm assuming that it happened when I upgraded to 4.2: I'm fairly certain that /sdcard/ used to take me straight to my sdcard, but now when I go to that path (in CWM ...
16
votes
2answers
5k views

When should I start charging my Lithium battery?

The comments in this question say that I shouldn't wait until low battery charge level before I charge, because that reduces battery life (this is contrary to my understanding before that the faster ...
9
votes
6answers
38k views

How-to unlink the main Google account from android device without a factory reset

While setting up my HTC Hero phone, I have entered my gmail account in the setup. But now I want to remove it (I don;t want to change with another account). How do I do it ? I have searched a lot on ...
8
votes
1answer
1k views

How can I prevent my Wi-Fi connection from glitching?

Occassionally my Wi-Fi goes into this weird state where the phone "thinks" I'm connected, but the connection simply doesn't work. Apps still seem to think I have connectivity, though they can't ...
3
votes
1answer
6k views

How can I restore IMEI code after factory reset?

The phone is a Hero H2000 dual sim with Android v2.2.1, MTK Platform I get an Invalid IMEI error after a factory reset. How can I fix this?
8
votes
2answers
31k views

How to unlock device when I forgot my password?

I've read Recovering from forgotten lock pattern which states that there is an option to disable the lock using my Google account information. However I did not noticed such an option when I entered ...
7
votes
3answers
14k views

How to share internet among 2 android devices?

I have in my possession a G1 and a new Android tablet (the Kmart one, the Gentouch). The Gentouch uses wifi to access the internet; the G1 uses a T-Mobile cellular connection. Ideally, I'd like to ...
6
votes
3answers
52k views

Logout from Gmail on my device

It bothers me that my Android Phone is permanently logged into my Gmail account. I want to logout from the device and somehow make the phone ask for username/password when connecting to my account. ...
5
votes
2answers
41k views

Control Android with broken screen from PC

My rooted Galaxy Nexus has a broken screen. How can I use my PC (ie, via ADB) to control the phone? androidscreencast would be the ideal solution, but its keyboard/mouse control feature does not work ...
4
votes
3answers
8k views

Nexus 7 2013 error upgrading to 5.0.2 OTA

I updated to 5.0.1 via OTA sometime ago, and it worked fine. Now I got a notification that 5.0.2 is ready but when Android shuts down to install update it returns error (with no other message. My ...

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