Questions tagged [troubleshooting]

Common troubleshooting. You can use this tag when you cannot find a better fitting one. Please read the tag wiki for some first-aid.

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1answer
78 views

Eight seconds after powering on, my phone goes dark and becomes unresponsive. What can I do?

I have a Samsung Galaxy S Relay. (This is kind of like a Samsung Galaxy S III plus a slide-out physical keyboard.) It's running stock Android 4.1.2, rooted using TWRP and SuperSU. I was using Spotify ...
1
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1answer
912 views

Android system battery drain

My android phone has heavy abnormal battery drains coming from Android system. 2000mAh and above on a single charge! I know for certain this is a software issue and not hardware. Before I hit the ...
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1answer
2k views

Can't log into Google Play, gmail, or other apps on new Samsung 7

I have changed my Google password in an attempt to be able to log into gmail, Play Store and other apps on my new phone. However, the Play Store app is not recognizing the password change. I cannot ...
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0answers
430 views

Cannot sync or remove Google accounts

I'm on Android 5.0.1. Yesterday, I received several "Unfortunately, Google Play services has stopped working" notifications, which I ignored as I assumed whatever had crashed would restart. But when ...
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1answer
1k views

Terminal emulator in android just hangs when I type su?

I'm fairly new to Linux so sorry for my noobiness. Anyways I just wanted to check that my phone was rooted since I need an app that requires it to be rooted, but nothing happens in the app. I wanted ...
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3answers
454 views

How can I remove viruses?

My dad's phone got infected with a virus. The virus will auto enable the WIFI despite after disabling it for a few seconds. Factory restore doesn't work too, the virus came back. I have installed ...
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0answers
13k views

"Can't get valid Device ID" error message

I am getting this error message on a Xiaomi Redmi Note 2: Can't get valid Device ID Invalid Device ID: null Device ID must be valid IMEI or MAC address. Without device id, some account and cloud ...
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2answers
76 views

I can't start my phone unless I'm in safe mode. How to fix it?

So I have a problem. My phone is booting in download mode and I can't start it unless I use the volume up + home + power. I tried to wipe my phone, but it didn't work and I lost my data for nothing. ...
1
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1answer
2k views

How to troubleshoot SELinux issues?

On standard GNU/Linux computers, SELinux comes with a set of tools allowing the administrator to troubleshoot permission issues. Such tools allow to: Temporarily switch a single domain in permissive ...
1
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1answer
46 views

Video file is not readable when trying to upload

I recently downloaded a zip file with two .mov video files in it. Once I unzipped the file onto my Android phone (HTC One), I converted the file using a Media Converter app. I can play the file on a ...
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0answers
173 views

Whatsapp only lets me delete the profile picture [Solved]

Recently, I wanted to change my profile picture on whatsapp for another one, but when I tried to do that, only the option to delete it appeared. This also happens when I want to change the background ...
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1answer
178 views

Nexus 7 Google Logo Boot-Loop

My stock Nexus 7 was working fine until I turned it on. The lock screen was frozen. I then hard reset the device and turned it back on. On boot the tablet gets stuck on the Google logo and never ...
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1answer
9k views

Lenovo A6000 isn't turning on

My Lenovo A6000 is not working when I try booting it. It shows me a blank screen. When I press the power button multiple times, it keeps blinking showing me a white screen then black afterwards. I ...
0
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1answer
50 views

How to get rid of these marks?

I'm 100 percent sure that it's possible because I managed to do it a few months ago, but now I do not know (don't remember) how to do it again. It looks like someone can help here. Thanks in advance....
2
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1answer
4k views

Galaxy S5 G900V startup failure with inconsistent symptoms making troubleshooting difficult

o/ My Samsung Galaxy S5 suddenly and quickly started deteriorating a few days ago. I did also install a software update from Verizon about a week ago, but what's odd is how the symptoms worsened ...
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1answer
4k views

ZTE phone home screen blinks off and on

My phone screen has task manager and a clear all button at the bottom. When I try to push phone or an app, it keeps disappearing and comes back on. I can't use any apps and I can't talk or text ...
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1answer
4k views

Recover Android system with TWRP Recovery

Note that I am running Mac OS X. I tried installing an unofficial version of Cyanogenmod I found on XDA Developers that supports kltemini (SM-G800F). However, I messed up somewhere in the ...
3
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1answer
197 views

Battery level always 42%

I purchased a second hand nexus 5 to find out that the battery indicator is always showing 42% and never updates, regardless of the actual battery charge level. I tried replacing the battery with ...
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0answers
5k views

Using the Cerberus shell to input commands

I'd like to use the Cerberus shell to input commands like taps, swipes, and text. I know how to do it using the command line and ADB shell, but I don't have USB debugging enabled on my Nexus6, so I'm ...
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2answers
3k views

Two errors that refuse to be resolved, Google Play, Android 2.2.1

I have an old phone (LG Optimus V) running Android 2.2.1. I recently took it out and would like to download some apps on it. It automatically updated Android Market to Google Play by itself, but for ...
1
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1answer
401 views

Looping through Terms and Verify Google Account after hard reset

I have a recent Samsung Galaxy 6S Edge phone that had to be factory reset. After the factory reset it will loop through the 'Terms and Conditions' acceptance screen and the 'Verify Google Account' ...
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1answer
4k views

How do i unbrick my lg sunshine

I had app hangovers restarting over and over again and could not open my settings on my phone app or any other application so I open the back of the phone and turned it off by pulling the battery out ...
1
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1answer
8k views

Asus Zenfone 6 doesn't see SIM cards, keeps booting itself. How to troubleshoot the issue?

I have a problem with Asus Zenfone 6 device, which worked well on stock firmware with minimal amount of additional installs for about a year. This is a dual SIM phone and it has both SIM card slots ...
3
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0answers
1k views

How to Diagnose WiFi Issues?

My Samsung Galaxy S4 (GT-I9515) with Android 5.0.1 does not connect to one particular WiFi any more - the Eduroam network at my workplace. The network is listed in the available networks list, with ...
1
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2answers
6k views

Reverse tethering isn't working completely

I connected my phone to my pc's ethernet connection via (USB cable) reverse tethering AndroidTool on my PC and USB tunnel on my android. Now, the problem is, it is going well with UC browser but isn't ...
2
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2answers
3k views

How to troubleshoot overheating and high battery drain in an Android Device?

Device info: Model : Micromax Canvas Nitro A310 Android Version : 4.4.2 Kernel Version : 3.4.67 Device Status : Rooted, Philz touch recovery, Xposed Framework installed Issue: My(relative's) ...
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1answer
3k views

Babbel languages learning apps won't play sounds

The Babbel language learning app doesn't play sounds anymore; this used to work for me for a while but now doesn't. Sounds are the central feature of the app which makes it superior to the PC web ...
0
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1answer
272 views

Why does reinstalling an app sometimes work to fix problems?

It's not uncommon for people to recommend reinstalling an Android app if it isn't working properly. For example, see this post on this site. Why does this sometimes work? What is goes wrong with ...
3
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0answers
2k views

How to change the permission and ownership for internal sdcard

I have a problem with my internal SD card on my android 4.2.2. It shows there are no files on the internal SD card but there is a shortcut called "legacy" and I can't write anything on the internal SD ...
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0answers
1k views

How to test wifi adapter?

My VPN keeps disconnecting and I'm wondering if it's a problem with the wireless adapter. Is there a way I can test? I'm using the Xperia Z2 and there's ways to test the built in hardware like the ...
3
votes
1answer
73k views

On Android, what is a "blue screen", and what should you do about it?

Some Android users complain about seeing a "blue screen", also known as a "blue screen of death" or "BSOD". They add that their device has become unresponsive. (Here is one example, including a ...
2
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2answers
1k views

How can I diagnose slowness in an Android device?

In Windows PC, when some computer is very slow, I use software like SysInternals Process Explorer to check background programs that is using more CPU/RAM. I use SysInternals AutoRuns to disable auto ...
0
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1answer
663 views

How to troubleshoot wifi connection problem?

Like some other people, I am plagued by the issue with gray wifi bars with a tablet running 4.2.2. I tried all recommended solutions: disabling power saving, switching between AES/TKIP on the router, ...
6
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4answers
24k views

How to get why an app crashed?

I regularly obtain the infamously unhelpful "unfortunately crappyApp has stopped working". How to figure out what actually went wrong? I guess there's a stack trace somewhere, though ideally I'd like ...
0
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1answer
959 views

My Samsung Galaxy Y GT-S5360 is not starting

I was installing a custom ROM on my Samsung Galaxy GT-S5360. The installation aborted abruptly and I lost all data from my phone. Now my phone won't start and is stuck at the Samsung Galaxy Y GT-...
0
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1answer
559 views

HTTPS sites no longer load on my Android after installing cert to truststore

I have a rooted Android 4.3 JellyBean. I was testing something and trying to install the certificate for Charles Proxy so I could sniff some SSL traffic. I was able to push the Charles certificate to /...
1
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0answers
280 views

How can I troubleshoot what is causing 'Android OS' to eat up lots of battery?

Are there steps I can take to rule things out eventually leading to a root cause? I am currently using the latest Dirty Unicorn ROM on a Nexus 5. For the same of argument, consider the case where ...
0
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1answer
399 views

How do I get my Android tablet on my network without getting stuck in a reboot loop?

I recently acquired an Android tablet PC (this thing: http://yourfirstsmartphone.com/android-tablet-pc/). I have not altered it at all from the factory fresh settings (in fact in attempt to solve the ...
2
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1answer
49 views

Internal space near full but shouldn't be and not according to other stats

So yesterday i was seeing how many apps i have installed and i noticed this...according to which only 248 MB is free. Which looks wrong to me too. But that is not the case according to storage ...
0
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0answers
240 views

Phone app crashes during phone calls

On my Android phone the Phone app will crash when taking or placing calls is there some way to replace the phone.apk?
0
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1answer
681 views

Light of Back button is not working on my Android mobile

I have Android Fly F45 S. From yesterday I am suddenly seeing that my Android mobile back button light is not working. The back button is working but the light is not lighting. I have never dropped it ...
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1answer
530 views

no matter what i do my tablet has 0mb space available [duplicate]

Even after a factory reset when I go to settings>storage my tablet has about 120 MBS of space taken up between apps, audio, cached, and misc. But 0 available, can't download anything because of it, ...
0
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2answers
434 views

Uninstalled system keyboard

I rooted my phone and uninstalled keyboard application without backup.. Now i removed my root. I need keyboard. My phone is galaxy star pro. Android version 4.1.2. Help me.
0
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1answer
2k views

ERROR : Unknown error when installing the application "-24" [duplicate]

Every time I try to download an app called icoron on my Galaxy note 3 an error message appears, Unknown error when installing the application "-24 Can anyone please help me?
2
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0answers
12k views

Run any user apps in safemode?

Some Background My Note 2 has strange slow down after hours of use. After hours of usage system_server and maybe kworker use a lot of CPU, mostly during apps open and switch, it lags badly. I also ...
1
vote
1answer
6k views

4.4 Update (Sprint Galaxy S3) disabled pattern lock, can i reenable?

This morning I applied the 4.4 update on my Galaxy S3 (Sprint). I noticed that I can no longer use a pattern lock. The message: "Turned off by administrator, encryption policy or credential storage" ...
-1
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1answer
182 views

Unable to boot phone after deleting folders in SD storage

Am using a Samsung galaxy duos. I recently deleted everything from my sd card/usb storage and when I restarted my phone, it just keeps displaying the Samsung start screen but it doesn't boot up. ...
1
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0answers
542 views

MMS messages text disappears

When I receive an MMS message (Android 4.1.2), I can see by the momentary preview that there is text to the message, but when I open it, I cannot find the text, only the image. Anybody have the ...
3
votes
1answer
342 views

Rooted Galaxy Nexus GSM silently fails to reflash/erase - Unable to wipe and its rebooting continiously

I have been struggling for a week. Searching all though the internet. My Galaxy Nexus has suddenly stopped working. It is continuously rebooting. Its rooted but has stock rom 4.3. My problem is, I ...
2
votes
2answers
704 views

What is trying to connect to the network?

When I'm not actively using the network, I usually turn off Wifi, Bluetooth, and Data. Since upgrading from Android 4.3 (stock) to 4.4 (OTA update from my carrier) I notice two things: Battery life ...