Manufacturer Guides
Following are the leading manufacturers of mobile phones, their contact details and links to their own phone user guide sections on their websites.
| Manufacturer | Contact Manufacturer | User Guide Link |
| Alcatel | Contact Alcatel | Alcatel User Guide |
| LG | 1800 643 156 | LG User Guide |
| Mitsubishi | 1800148837 | Mitsubishi User Guide |
| Motorola | 1300 138 823 | Motorola User Guides |
| NEC | 131 632 | NEC User Guide |
| Nokia | 1300 366 733 | Nokia User Guide |
| O2 | Contact O2 | O2 user Guide |
| Panasonic | 132600 | Panasonic User Guide |
| Philips | 1300 363 391 | Phillips User Guide |
| Sagem | Contact Sagem | |
| Samsung | (612) 9763 9700 | Samsung User Guide |
| Sharp | 1300 13 50 22 | Sharp User Guide |
| Siemens | 1300 665 366 | Siemens User Guide |
| Sony Ericsson | 1-300 650 050 | Sony Ericsson User Guide |
| Trium | 1800148837 | Trium User Guide |