Samsung Galaxy S III LTE - I-9305
Method 2 - created keystr at efs/imei/
echo -n ON>/efs/imei/keystr
echo -n ON >> /efs/FactoryApp/factorymode
I had a screen that woudn't go away, annoying one ate desktop of mobile.
Also lost IMEI and fixed with a flash Param_Bin, see quote: "Recovering IMEI And Data Connection After Flashing WRONG Root Package Intended For I9300:" at:
THANKS A LOT!!! I'll pay you guys some beers!