|Compatible networks||GSM 900, GSM 1800|
|Dimensions||105.2 x 44.15 x 16.4|
|Storage||1.5MB (up to 500 Contacts)|
|Battery||Li-ion 800 mAh|
|Data inputs||Numeric keypad|
|Display||128x128px, 1.52in, 65K CSTN|
The Samsung E1107 (also known as Crest Solar or Solar Guru) is a mobile phone designed for a rural lower budget market. It was first released in India on July 10 2009 with an initial price of 2799रू (Indian rupees).
The feature set is spartial(clock, alarm, timer, stopwatch, organizer, T9 predictive text, calculator, converter, 10 polyphonic ringtones, 5 menu color themes, 3 wallpapers, 2 games (Sudoku, Super Jewel quest), vibration, profiles, phonebook (500 entries), call log (30 entries)) .
Additionally it has features especially interesting for a rural consumer market like a led lamp and power saving mode. It also has support for a built-in phone tracker and SOS messages. No connectivity like USB, Bluetooth or Infrared is supported.
The battery supports up to 570 hours of standby or 8 hours of talk time. It can be charged through the solar panel for additional 5-10 minutes of talk time per hour of charging. According to the user manual the phone is not supposed to run on solar power alone for an extended period of time.