If you’re not using your cellular on your android tablet/phone but instead use it only offline or as a WIFI device, the phone is still wasting battery on the phone modem.
With no sim card inserted, the phone is constantly looking for a emergency connection and is wasting battery.
To fix this, you could use your terminal emulator and enter this: (Root required) Continue reading
A friends USB port of his phone broke and he got real high battery drain on his sasung galaxy s3.
A quick view revealed the culprid… The USB driver constantly checked the broken usb port.
After we disabled the port, the batteryusage went down.
Use this command in a android terminal emulator of your choice. You also need Root privileges: Continue reading
On linux you can use different tools like the top command to view the memory usage of all processes.
This top command has different options bound to the keyboard.
Here are some:
To change the sort to Memory, you can press shift M
to change the process scaling you can press small “e”
to hange for the global view you can press shift “e“
On Linux or Android you can open a console and enter
nm -D /path/to/my/library.so
This will show you the functions that this shared object (.so are the .dll Dll equivalent in the Linux world.) offers.