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Questions tagged [logging]

Logging is the process by which the system records what's going on - i.e. events, errors, warnings, and related information. Most apps provide details in log files, so the system logs help to debug problems.

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1 vote
0 answers
46 views

How to read boot logs when stuck in a boot loop?

My Sony Xperia 1 V is using an unofficial build of LineageOS (rooted with Magisk) and after a few weeks of working fine, became stuck in a bootloop. I can access Fastboot and Recovery fine, and I ...
0 votes
0 answers
52 views

TWRP Black Screen on Samsung Galaxy A9 2018

I want to install TWRP on my Samsung Galaxy A9 2018 (SM-A920F). The problem is that every time I install it, I can't boot into TWRP. It is just a Black Screen, and then it reboots into the system. I ...
2 votes
0 answers
45 views

Is there a way to find reason of Android reboot?

I've OnePlus 9 Pro with Android 13. The phone is rooted and has a custom ROM, but my issue isn't common for that ROM. The Phone generally works well, however at least once or twice a day it suffers ...
8 votes
1 answer
68k views

List of purchased apps and app install/uninstall history log anywhere? [closed]

My device was damaged and since then I've had to order a hardware replacement. Given that all purchases and application installs/uninstalls via Google Play Store are carried out in connection with my ...
1 vote
1 answer
7k views

Get logs before logcat has started in a bootloop

I am flashing a modified version of AOSP and the device boot loops. The problem is that "logcat" on the phone never runs, meaning that the problem has occurred earlier. So, is there a way ...
1 vote
0 answers
2k views

XLogger on Xiaomi?

Installed a simple file explorer on my pocket telescreen, Xiaomi MI 8 Pro, right now is running on unrooted MIUI 12.04 It happens that I have found a .log file, (completely by accident) with hundreds ...
0 votes
0 answers
242 views

Is there any way to show the last times Android was rebooted?

Is there any way to show the last times Android was rebooted? I'm using uptime -s for the last time, but I would like to see a list of the last times it was rebooted. I'm on Android 9 and Termux.
2 votes
2 answers
1k views

How to find/identify the app that creates a sound?

My Android 8.0 phone generates a sound at 8:00 AM every day. It doesn't display anything on the screen while and after the sound being played. I guess this sound is created by one of my 100+ apps on ...
0 votes
1 answer
111 views

My phone stuck on OS boot animation but I can use adb to connect to it, how to fix it without losing data?

I have a Samsung s10e g9700 flashed with Corvus OS gsi (seems based on phh's gsi), which worked basically fine for almost a month. But when I flashed a modified system.img based on Corvus OS gsi, the ...
2 votes
0 answers
54 views

How to identify which Google user account any particular push notification is intended for (A13)?

Long story short, my wife has many accounts (against my advisement), and one of them is sending Find Device push notifications that aren't being pinged by either of us. I advised her to check all her ...
9 votes
1 answer
32k views

How to get adb logcat to filter ONLY by specific app (package name)

Would like to know how can I get the adb logcat of ONLY certain app, and all its errors and messages associated. I've tried before with adb logcat -c; adb logcat | grep com.fitbit.FitbitMobile, but ...
0 votes
1 answer
25 views

Which process floods my logs with SQLite migration error and how can I cure it?

Phone: Xiaomi Mi Max 3, MIUI 11, Android 10. Using a custom ROM from xiaomi.eu. The start of the flood is captured in LogCat, it happens every single millisecond, and I'm suspecting some system ...
2 votes
1 answer
3k views

Can I save a "star-hash" (*#) code as contact?

I'm developing on a Huawei phone, and to enable logging on this device one must dial *#*#2846579#*#* to get to a hidden service menu, as described in this answer on Stack Overflow. Is there any way I ...
0 votes
0 answers
1k views

Wipe Data(Factory Reset) related logs should persist in the recovery log file right? (Stock android)

(Stock android.) "E:Cannot log to file /dev/fscklogs/log" -Other phones don't prompt this during the data wipe(factory reset), this is fecking intentional. Also it got no battery charging ...
2 votes
1 answer
4k views

How can I see the history log of system updates?

I need to know the history log of system updates (ROM / OTA updates). Is there any file on the device that contains this information?
1 vote
1 answer
2k views

Is there a way to access logs from before a factory reset? [duplicate]

I recently had to factory reset my phone due to it crashing to the Android Recovery screen. It seems that several other users have had the same issue; all in the past week. Is it possible to view ...
0 votes
1 answer
5k views

How to see Android OS System log file? [duplicate]

After leaving my Samsung Galaxy A-30 phone (with Android 9) for a few hours unbelievably I understood all of my internal storage is cleaned! I don't remember that I have installed any suspicious app ...
1 vote
0 answers
23 views

Is there a way to diagnose this camera issue? Like some kind of crash dump or log? [unrooted Galaxy Note 9]

After water damage, my phone camera had to be replaced. The camera worked after replacement, for a day or so. Then it came up with a black screen (menus are there, just no image). A reboot fixed that ...
1 vote
1 answer
10k views

How to know if phone has been connected via USB? (connection log on the phone?)

I'm trying to find out if someone has connected the Android phone (Samsung Note 4) to the PC via USB. Is there a log somewhere on the device showing the timestamp of connection? Preferably without ...
1 vote
0 answers
2k views

How to monitor network traffic on Android with root access?

I want to monitor network traffic on my rooted Android device. I found an app called "Network Log" (repo), but it's outdated, designed for old Android versions, and has some bugs (but not ...
1 vote
0 answers
66 views

How can I tell what has happened on my phone? Like a log

I'm looking to find out if there is a way to log activities on my phone, like something that tells you something was uploaded, downloaded, installed, SMS sent, number called, etc., anytime the phone ...
0 votes
2 answers
4k views

How to prove an Android device is hacked? Retrieving logs from recovery booting [duplicate]

I'm having trouble with my new branded Vodafone Samsung Galaxy S7 Edge. How can I get a copy to the full logs (and other files), without rooting, for places I do not have the required access? I can ...
28 votes
4 answers
112k views

Where can I find out when I installed an app?

Is there a Play Store log file? Or should I be looking where apps are installed on the phone for time/date stamps?
0 votes
0 answers
262 views

Missing logcat? KMSG? Debugging random reboots

I have this crap ANS ARTIA phone running Android 12. It keeps rebooting—2-3 times at the same date/time of the week (once while using G Maps, once using Waze) plus a couple more times outside of those ...
0 votes
0 answers
191 views

Security logging for Android

How can an Android phone log all activities related to access? My requirement is that every phone lock, unlock event, any settings modification, and audit trail needs to generate a log entry to a file....
0 votes
0 answers
126 views

Chromecast with Google TV: No HDMI-CEC entries in Logcat

Trying to get as much control as it's possible from the TV's (LG LF630V) remote for the connected Chromecast with Google TV. The HDMI-CEC definitely works on Chromecast, as e.g., → ←​ ↓ ↑ [OK] [Back] ...
2 votes
0 answers
667 views

Android Boot Logs Before Logo

BTW, I am wanting to know what Android Boot Logs come before the Android Boot Logo. I see an Android Boot Logo, and I have to hold the power button, but what does it show in the boot logs in the ...
1 vote
0 answers
209 views

How to interpret ssrm_heating.log on Samsung devices?

I have the below log records of ssrm_heating.log on /data/system/ folder from Samsung Galaxy S5. .... .... 2019-11-11 16:06:05 >>> [Call] CallStateOffHook : false 2019-11-11 16:06:05 [PKG] ...
0 votes
1 answer
186 views

Get full log of a whole day from Android

I know of the method of using adb logcat to receive logs from an Android device. However, the logs I receive are, at best, only 1 hour old. I need the logs for the whole day, however. Is there a way ...
10 votes
1 answer
51k views

How can I get a LogCat? [duplicate]

Sometimes I get asked for a LogCat. What is this? What is it supposed to do? How can I get it?
0 votes
1 answer
5k views

Where can I find the log of bluetooth enable and disable

Problem I have Samsung Note 20 and a Samsung Watch. The watch wakes me up every morning between 4:42 and 4:43 am. This is independent of the time zone. It happens in NZ and Malaysia. It happens even ...
0 votes
0 answers
104 views

what happens in logcat when content is copied to clipboard?

I am trying in vain to identify if and how, in logcat, the events such as "text copied to clibboard" are logged. Any help would be much appreciated.
3 votes
0 answers
60 views

Intercept system commands from app

I'm on Android 7.1.2 (Nougat). I have an app that I am trying to pull the exact command /parameters that it is sending to one of my /system/bin apps. It is not in logcat and I haven't been able to ...
1 vote
0 answers
271 views

Android-13 : help with logcat analysis please

logcat does not reveal what might be holding back Android-13 boot, I am not an expert at this. In terms of Software, we have a setup to build Android-12 succesfully for our specific lunch menu & ...
0 votes
0 answers
79 views

How do I log denials for offline charging mode

I've been able to fix offline charging animation on my device but it only works in permissive domain and whilst in enforcing it shows me random lines and i can't figure out a way to address the ...
5 votes
0 answers
181 views

How to run a WiFi speed test periodically and log results?

I would like an app (or some other method) that will run every N minutes and check the WiFi speed and log the result. I tried this using Open App Scheduler to run a speed test (from speedtest.net) but ...
2 votes
0 answers
172 views

Why is the 'iptables' target 'NFLOG" not sending log messages to the Kernel?

I recently started using an old cell phone, Samsung Galaxy J7 model SM-J700M. I rooted it, flashed LineageOS and installed a SIM card and it works just fine. I decided to work on a script with ...
6 votes
1 answer
5k views

How can I know if fstrim was run when I put my phone on charging over night?

Is there any logging where I can confirm if fstrim was run when I put my phone on charging over night?
3 votes
0 answers
177 views

find out what app/package uses sensor

on my device running AOSP something accesses a sensor of my phone continuously, preventing it from going into deep sleep and thus draining battery. Logcat shows the pid, but that just links to android....
1 vote
0 answers
114 views

Do android app crash logs or system crash/kernel logs contain user data?

Do app crash logs/reports contain user data from the app, such as note contents from a note app? And if there is a full android system crash or kernel panic, is that log saved to the phone including a ...
1 vote
0 answers
103 views

Can someone please confirm expected output from logcat on volume button hardkey press and release?

I have a stock OnePlus 8T+ 5G TMO that has been displaying very strange behavior. It would ask if I want to boot into safe-mode every time I try to power down or restart, and sometimes it would ...
0 votes
1 answer
255 views

start apk from console -> get process id

I have some logcat outputs saved as txt file. I need to parse them looking only for entries that correspond to my app. However, it always takes me quite some time to find the exact process ID of my in ...
1 vote
1 answer
1k views

Finding shutdown event in Android bug reports

My Phone which runs on Android 11 has been crashing frequently. This happens randomly - while attending a call or playing a video. I have tried to report it to my manufacturer multiple times to no ...
0 votes
0 answers
321 views

How to use adb to take dumpstate logs on a Samsung device during device setup after first power on?

I need to get dumpstate logs on a Samsung Fold device during device setup after first power on (after new binary flashing or factory reset). I am unable to set debug level high through *#9900# because ...
0 votes
0 answers
290 views

adb logcat - monitor hardware accesses

Is there a way to show hardware messages (low level, in particular, I’m interested to see messages related to audio, camera, and microphone) using adb logcat? In my experiment regarding the microphone,...
1 vote
1 answer
972 views

debugging frequent crashes/reboot with nexus 6p

Like many of you I eagerly awaited the release of the nexus 6p.. unfortunately it has been crashing a lot lately (a problem many seem to have). The first thing I tried was running a factory reset, ...
1 vote
0 answers
1k views

How can I see a log of system changes that have been made to my phone?

Recently my phone suddenly exhibited weird behavior which I remedied by running com.google.android.setupwizard/.SetupWizardTestActivity. You can see the exact problem and solution here. Everything ...
4 votes
3 answers
3k views

Is it possible to somehow understand from the logs what happened to the phone a month ago? Are there such logs?

I didn’t have access to my phone for a month, I’m afraid that I could have installed any software or hardware spyware. Is it possible to check it somehow by logs? Does the Android system keep logs for ...
0 votes
1 answer
2k views

What are .vm files inside /mtklog/audio_dump folder?

When I walk through the system folders of my old Android phone to clean it, I could see that there was a mtklog folder containing an audio_dump folder, itself containing many files in the form VMLog_%...
0 votes
0 answers
118 views

What is vendor_audit and why is it spamming my logs?

I have an app spamming my logcat messages and I assume it is responsible for slow operation of my device. The logs all look like this and there are thousands: 2022-01-18 18:02:19.204 646-646/? E/audit:...

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