Siemens C25
The Siemens C25 is a mobile phone introduced by Siemens in 1999.Siemens C 25 is positioned as an entry-level model. It is a small, lightweight, handy device. This model was available in only 5 colors. But it was possible to buy a removable front panel.
There is a function to write your own ringtone. There are several programs for writing melodies. For example, the MIDI-2-C25 allows you to convert MIDI standard music files into a Siemens C25 sheet of notes.
It weighs 135 g and its dimensions are 117 × 47 × 27 mm. Its display is a 3 × 12-character monochrome LCD. Display backlight color is green.
The phone's battery powers the phone for 300 minutes talk time, or up to 160 hours if left in stand-by mode. The Ni MH battery is used as standard. It is a dual-band mobile phone, supporting both GSM 900 and GSM 1800 network frequencies. It supports up to 21 monophonic ringtones. It also supports SMS sending and receiving.