I have a rooted Nexus 5 (Lollipop 5.1) which just decided to restart itself and clear out my saved WiFi passwords!
Luckily I make regular manual backups of the wpa_supplicant.conf file from /data/misc/wifi to /sdcard.
However I am trying to restore this file so that the networks appear again under Wifi > Saved Networks but I am having no luck!
I have tried to copy the file from /sdcard to /data/misc/wifi and /system/etc/wifi (even though I'm pretty sure it's the one in /data that Android uses) using ES File Explorer. The networks do not show up and after restarting the phone, the file in /data resets itself and the one in /system is remains.
I have also tried copying the file using Terminal Emulator and also running chown on the file in /data but this also hasn't worked.
Any ideas as to why Android doesn't accept the restored file?
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