84 Setup
File system
Format
The phone memory is formatted and all saved data such as ringtones, pic- tures, games etc. are deleted.
Clean up
Creating more memory by deleting temporary files that are no longer required.
Master reset
Reset phone to default values (fac- tory setting). This does not affect the SIM card or the network settings.
Alternatively enter in standby mode:
*# 9 9 9 9 # A