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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XLOGGER on Xiaomi?

Installed simply file explorer on my pocket telecreener. Xiaomi MI 8 Pro, right now it running on unrooted MIUI 12.04 It happens that I have found a .log file, (completly by accident) with a hundreds ...
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41 views

Bootloop MIUI 12 after reboot (Xiaomi POCO X3 NFC)

I got bootloop after MIUI 12 phone restart (Xiaomi POCO X3 NFC). Using Magisk 21, TWRP v3.4. I was able to get out the kernel logs, but can not identify where is the problem, what causes the bootloop. ...
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How to check time of user account login/logoff

Samsung Galaxy Tab 4, Android 5.0.2 I'd like to check my kids' user account login/logoff times on the device. Are there any logs where i can see this and how to view them?
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Is there any way I can view LogCat events from 24 hours ago? [duplicate]

All the logcat events that I see are very recent. Is there any way to see older events from around 24 hours ago?
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402 views

Wi-Fi Verbose logging fields

I've been trying to troubleshoot a Wi-Fi issue (with a specific network) and have Wi-Fi verbose logging on, but I can't find any documentation on what any of the fields in the network selection menu ...
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120 views

Obtain log of when audio starts and stops

In Android 11, at least in the version Google uses for their phones, all audio apps can be controlled with media buttons you see if you pull down the notifications/top/task/whatever bar. My question ...
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43 views

Enabling logcat on boot

I'm trying to debug a ROM problem, that cause Android animation boot run forever, occuring after the first reboot. Trying to read the log with logcat ,executing from shell adb logcat -d before ...
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1k 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 ...
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71 views

Find history of entering and exiting apps on Android

I have a Samsung Galaxy A3 2016 running Android. I would like to know whether there is a way to recover the exact history of when one entered and exited an app during one day. I have tried this trick,...
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25 views

Find what's crashing my phone

I have a Galaxy M51. At times, when I wake up in the morning, the phone is dead - No response to any of the buttons, when I call it from another phone, it says "the number is switched off", ...
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20 views

Call time prior to answering

Version: Android 10 Brand: Samsung Model: S9 Is there a way to log the duration of phone ringing, prior to answering or declining a call? I'm doing this because someone claims to call me, but ...
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a process deleted some vital folders and files how do I track it down

admittedly I am rooted on a phone with unlocked bootloader & a Havoc custom GSI rom Android 10 I have hidden magisk root from all applications - every application except the ones that need it ...
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2k 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 ...
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44 views

How to monitor SMS being sent by apps?

I just found from my mobile bill that SMS is being sent out to some 4 digit number (permium number) from my mobile. I could not find the message in my SMS app - "Messages". I checked with ...
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21 views

Creating a log entry in logcat via adb?

Does anybody knows a possibility to add a log entry into the logcat main log? I need to inject an log line with custom text into this log on arbitrary devices. The main problem is that I can't just ...
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50 views

Find out which bluetooth version a given connection is using?

Android 10, non-rooted phone, multiple Bluetooth devices connected. I would like to find out which Bluetooth version (4, 4.1, 4.2, 5) a given BT-LE device is using. All I can see in adb logcat is that ...
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23 views

Device shuts down spontaneously, need help to investigate

I recently got faulty Xperia XA2 in my hands. Everything is brand new and works perfectly, except device shuts down after short period of inactivity. On stock ROM it shuts down if the screen is turned ...
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19 views

As a non-developer, how do I download logs so I can help diagnose why an app is crashing? [duplicate]

I am not an Android developer, but one of the apps I use is now saying "Unfortunately ... has stopped." I would like to look at the system logs to help figure out why, but all I can find is ...
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92 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 ...
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175 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 can I know this information?
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1answer
140 views

Identify the source process and/or app from an output in the logcat

When I plug my phone into my computer, I can see the logcat output in Android Studio. I recently noticed that whenever I start entering a password in a field designated for passwords (the ones that ...
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39 views

Need Logs proof info about File Transfer copy/mv of my IMG files usb connection sowehow of hijacked rooted android

can you Help me get Logs or info about "File Access (copy/mv/pull) of my IMG files? happended through unallowed usb connection" by Syslog / etc from my unlocked / rooted, "debug allowed&...
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41 views

need help in deciphering the logs of my bootlooping phone

I am trying to fix my phone that got stuck at a bootloop. Earlier it died out of battery and rebooted when I plugged it in and went on a bootloop, I did a lot of things between my last reboot and this ...
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70 views

Help reading Last Kernel Log — Tablet crashing?

I have a Lenovo A10-70F Android marshmallow tablet that is experiencing random full-system crashing. I've recently replaced the battery and factory reset the device yet the crashing continues. The ...
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17 views

Simulate color space changes randomly

since yesterday every time I open Instgram or Twitter, the "Simulate colour space" dev setting gets modified to monochromacy. I already used logcat to check for source: 06-23 10:50:35.893 ...
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61 views

Purpose of MTK Logger

All phones with Mediatek processors have this pre-installed logging application and the data it collects is massive,right up to the plugging/out of the phone from the charger. What is this service ...
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134 views

How to log errors when using adb pull?

I am using the latest version of adb with the pull command to backup my data. Sometimes adb pull doesn't backup all of my files, so I am trying to figure out which files have not been backed up. ...
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58 views

Unable to take kernel logs on a non-rooted device [duplicate]

I am trying to take kernel logs but so far have only got errors like 'permission denied', 'path does not exist' or 'kernel log does not exist'. I have tried this kernel panic link, this crash logs ...
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17 views

Deducing problems using device logs

kinda new to debugging here. I'm running a custom rom on my device and I've started to get random reboots. I wanted to look at logs and find out. But I don't really know what to look for in these logs....
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35 views

Reading system logcat using a script

Is it possible to read the android system logcat without connecting the device to the phone using an script or an application. So i can further extract the data from logcat to my Machine learning ...
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1answer
260 views

An Pixel XL phone shutdown by itself

My Pixel XL phone rencently always turns off by itself. Most times it turned off just after starting up, a few times it worked longer and everything looks fine. when it happend, a "phone is shuting ...
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368 views

Random Media Pauses

I have a strange problem that started recently where media I'm listening to/watching will randomly pause. It happens both when playing on my phone and when playing over bluetooth to my car or ...
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1answer
1k views

How to get installation log (either from adb install or manual install)

The question is what to grep/filter? adb logcat | grep what? adb install file.apk tried with grep apk and manual install, but it contains no useful information: 01-25 17:29:05.721 4241 6322 I ...
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573 views

Record log before device reboots

I need to record an log even if device restarts cause when I open a specific app my phone restarts so I need to log why.
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528 views

Access HCI bluetooth log from Samsung s8

I have enabled the developer setting "Enable Bluetooth HCI snoop log", toggled the Bluetooth setting and restarted the phone. I have not being able to find the log files anywhere and was wondering how ...
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1answer
693 views

How to see Android OS System log file?

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 ...
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1answer
54 views

How to find the app that creates a sound every morning?

My Android 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 the ...
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1answer
786 views

Retrieve stored logger data (Android Oreo or Pie, maybe even higher)

I found an option to store logs: Settings -> System -> Advanced -> Developer options -> Store logger data persistently on device. I wonder where these logs are saved and how we retrieve them. I ...
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355 views

what in xposed caused this bootloop and how to prevent it from happening again?

My android phone is stuck in a boot loop. To troubleshoot it I was able to boot into TWPR and use adb pull /sys/fs/pstore/console-ramoops to get some boot logs (is that even the right file?). When ...
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491 views

Access Android log files for specific periods on android 7

Is it possible to access old log files,lets say 3 months old, to see the usage on the android device, by usage i mean, any app installed or unistalled, time spent online, via wifi or cellular, time ...
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1k views

Can't find call log from adb shell

Phone is a Samsung Galaxy E5 SM-E500m (lte, dual chip, codename e5lte). Android version 5.1.1 "lollipop" Stock ROM. I pulled the database file from /data/data/com.android.providers.contacts/databases/...
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5k views

How can I enable last_kmsg?

I'm trying to diagnose a random reboot on LineageOS 14. last_kmsg is not in /proc, nor it is in /sys/fs/pstore/console-ramoops. EDIT: ~# mount | grep PSTORE ~# mkdir /mnt/pstore && mount ...
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6k views

How can I view Wi-Fi connection history?

I want to view wi-fi connection history on my Android phone. Specifically, I want to know which networks the phones was connected to & disconnected from & when. Edit: My phone is a Nexus 5x (...
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26 views

Is there a way to create a history of TCP/UDP sockets opened in android?

Is there a log with this info? I know proc shows the ones opened at the moment but I need to see the ones that are already close
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237 views

Meaning of abbreviations (DP, KP, NP, RP) concerning POWER OFF RESET REASON in logcat / bugreport

I have a Samsung Galaxy A7 2018 phone, and it is subject to frequent unexpected reboots/shutdowns. To try and pinpoint their cause, I extracted bugreports using adb bugreport. In the main bugreport ...
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1answer
532 views

How do I diagnose the last shutdown? adb root?

Everything I've read indicates /proc/last_kmsg used to be how, however that seems to have changed with Android 6.0 (I'm on 8.1). I've also seen reference to /sys/fs/pstore/console-ramoops for Android ...
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39 views

Samsung Galaxy S5 upgraded Chrome version from 55 to 73. adb logcat not tracking network calls

I am developing automation test suite for monitoring Chrome browsers network calls on Android mobile device. My code was working fine with Chrome v72. After upgrading Chrome version to 73. My code is ...
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2answers
392 views

Access the call-log to complement what has been banned by policy

I used to use Appliqato's Call Recorder. A few days ago Google Play's policy changed so no call-recording application could access the call-log information. This means now the calls are like "...
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1answer
149 views

Phone/Text/Contact History?

Does Android keep a log of numbers contacted similar to the Phone Call Log/History but for texts? My mother accidentally deleted a bunch of texts. The actually messages themselves are unimportant, ...
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76 views

Phone reboots randomly

Bought 'Redmi Note 4' phone a year ago. Random reboot issue started happening after 6 months. Did root & had flashed old/new/unofficial ROMS on my phone afterwards, uninstalled CPU hogging apps ...

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