The Samsung Trevi 3350 is aptly named, offering a full QWERTY keypad for convenient messaging. This is coupled with a Blackberry-style optical trackpad and a 2.4 inch colour display. The Samsung S3550 Chat also offers WiFi connectivity, email support, social networking integration and access to the web via its integrated browser. The sturdy keyboard is a treat to those finger tips and when you're not replying to your emails you can turn your attention to the fun side of things.Samsung S3350 model wanted to respond to the challenge that is posed his model Nokia Nokia C3-00 and make the cheapest QWERTY monoblock mobile phone that is designed for younger people and those who often write SMS messages. The design of the device is quite simple and is produced in several colors.QWERTY keyboard is solid quality, TFT screen is 2.4 inches diagonally and is not sensitive to the touch, and has only a 2MP camera, and such characteristics exactly match one of the cheapest phones. The model is known under two names: SamsungChat 335 and Samsung S3350 Trevi.On the front is a 2.4-inch diagonal screen, underneath the classic control keys and keyboard, and the screen is above the speaker. On the upper side there is a microUSB slot with a plastic cap and a 3.5mm headphone jack. On the left side of the device there is a button to control volume. On the back of the phone is a 2MP camera and a speaker. The microphone is in the bottom of the phone.The phone has very little internal memory, only 67 MB and it is fully accessible to the user. Since the phone has a microSD slot for memory card, which is placed under a cover on the back, the memory card can be purchased as an, and the phone supports those with a maximum size of 8GB. The card can be changed without shutting down the phone.To connect to the device using a USB port that connects to a USB compatible devices such as computers, and there is a Bluetooth that wirelessly connects to compatible devices such as headsets, handsfree, printers, etc. The menu Trevi can connect to WiFi networks without problems, and to use Twitter or Facebook, you must have a SIM card.