| 
 | 
 | C o n t e n t s | |
| Network | 49 | Operating environment | 77 | 
| Restore factory settings ... | 50 | Medical devices | 78 | 
| TataZone | 51 | Pacemakers | 78 | 
| Voice recorder | 53 | Hearing aids | 79 | 
| Organiser | 54 | Vehicles | 80 | 
| Alarm clock | 54 | Potentially explosive | 
 | 
| Calendar | 55 | environments | 81 | 
| Calculator | 56 | Emergency calls | 82 | 
| Countdown timer | 59 | To make an emergency | 
 | 
| Stopwatch | 60 | call: | 82 | 
| Games | 61 | Certification information | 
 | 
| Gallery | 62 | (SAR) | 84 | 
| Images | 62 | Battery information | 85 | 
| Tones | 62 | Charging times | 86 | 
| 6. Enhancements | 63 | Talk and standby times .... | 86 | 
| 
 | 
 | ||
| 7. Reference | 
 | 
 | 
 | 
| information | 66 | 
 | 
 | 
| Batteries and chargers | 66 | 
 | 
 | 
| Nokia battery authentication | 
 | 
 | |
| guidelines | 69 | 
 | 
 | 
| Care and | 
 | 
 | 
 | 
| maintenance | 74 | 
 | 
 | 
| Additional safety | 
 | 
 | 
 | 
| information | 77 | 
 | 
 | 
| Small children | 77 | 
 | 
 |