0 
shell@android:/system/etc/wifi # 
shell@android:/system/etc/wifi # ls -l  
-rw-r--r-- root     root          326 2013-12-19 14:37 p2p_supplicant.conf
-rw-r--r-- root     root          282 2013-12-19 14:37 wpa_supplicant.conf
shell@android:/system/etc/wifi # echo 'hello' > file.txt                       
sh: can't create file.txt: Read-only file system
1|shell@android:/system/etc/wifi #

why is it not working..?

Improve this question
1
  • 1
    let me counter this with a question: why do you assume root can be allowed to create a new file or edit a file on a read-only filesystem? :)
    – Rinzwind
    Sep 27, 2015 at 18:33

1 Answer 1

Reset to default
0

Your root privileges on your PC/Laptop/... are completely irrelevant for the file system on your smartphone.

Therefore

adb root;
adb shell mount -o rw,remount /;
Improve this answer
1
  • It is showing an error "adbd cannot run as root in production builds".
    – sulabh
    Sep 29, 2015 at 16:16

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .