13
votes
Accepted
How can I enable last_kmsg?
Back in 2012, /proc/last_kmsg (1) used to be a dump of kernel console messages, exported after reboots by Android's ram_console functionality (CONFIG_ANDROID_RAM_CONSOLE), which used persistent_ram (...
10
votes
Accepted
Why would I automatically share usage and diagnostics data?
can I have access somewhere and see what Google is collecting about my own usage and my own battery performance?
Yes. Click on My activity to see what information is collected by Google regarding ...
5
votes
Accepted
How to debug boot loop?
In practice, the only way to debug early boot loops is to read the kernel log as follows:
Minimum steps to get the kernel log if you have a working adb and TWRP:
When the device is boot looping, ...
3
votes
How to diagnose Android phone that is not working properly via vehicle bluetooth?
You can investigate who is guilty, but most probably you will not be able to workaround it. If your phone has Android version 4.4 or later you can collect Bluetooth HCI snoop log.
Enable Android ...
1
vote
Accepted
How to find the PID of an app without ADB?
If you are using Android 7 or above, you need to have access to ADB (either command-line client, or an app which used adb on localhost) or root access to see the PIDs of other processes.
If you are in ...
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