[GUIDE] - A yellow window on Mega I920x? - How You solve that.
Here a little guide How to solve a problem of bad /efs, when You have a yellow window like on Screenshot:
It's arrived to me and now on another Member on Note 10.1 N8000. But I think this is useful on another devices also, like on Mega I920x
I had THIS
serious problem on partition efs and, after solve that, I had also a yellow window like that.
To get rid of it see on /efs/FactoryApp/factorymode if You have here OFF (edit factorymode whit Root Explorer). Change it to ON (after change must save).
Reboot in Recovery and Wipe Data factory reset, cache, dalvik... done.
See on Settings /About phone /Status if You have imei, Mac WiFi and Serial number.
If You couldn't register to the network may be You not have that. In this case...
Have You a backup from Your /efs folder? If yes copy the contents of it (not the efs folder) to /efs replacing the bad files.
Reboot and everthing should back to normal.
You can see HERE
a case solved whit this guide.