Application manager .......................................................99Install applications and software.........................99Remove applications and software .................. 100Application settings .............................................. 101Activation keys—handle copyright-protectedfiles.................................................................................... 101Troubleshooting .................................. 102Q&A................................................................................... 102Battery information ........................... 105Charging and discharging........................................... 105Nokia battery authentication guidelines................ 106Nokia original enhancements............ 108Battery.............................................................................. 109Nokia Wireless Plug-in Car Handsfree HF-6W ..... 110