The Samsung S7550 Blue Earth, released in November 2009, showcases a unique design that emphasizes sustainability. With dimensions of 108 x 53.6 x 14.2 mm and weighing 119 grams, this phone is compact and lightweight, making it easy to carry and handle. Its distinct blue color is not merely aesthetic but also symbolic of its eco-friendly concept. The back panel features a solar panel, a pioneering addition at the time, which aligns with the phone’s objective of promoting renewable energy usage. The device uses a Mini-SIM, which was standard for that era.
The phone is equipped with a 3.0-inch TFT display that offers a resolution of 240 x 400 pixels. With a 5:3 aspect ratio and a pixel density of approximately 155 ppi, visuals on the screen are satisfactorily clear, though not as sharp as modern smartphones. The display size and quality are adequate for basic phone functionalities such as calling, texting, and light browsing.
The Samsung S7550 Blue Earth operates on a feature phone OS, which was common for phones during that period. Although not as sophisticated as contemporary smartphone operating systems, it offers essential functionalities like SMS, MMS, email, and an RSS reader. The phone’s browser supports WAP 2.0/xHTML and HTML, providing basic internet browsing capabilities. The device is powered by modest processing capabilities typical of feature phones.
This phone includes a single 3.15 MP main camera capable of capturing video at 320p@15fps, a specification that satisfied user demand for basic photography at the time. While not comparable to the high-resolution cameras found in modern smartphones, this camera was adequate for capturing casual photos and video clips. Users also benefitted from the functionality of a secondary camera for selfies, although its capabilities were minimal.
In terms of storage, the device offers 130MB of internal memory space, which might seem limited by today’s standards but was typical at release. The phone supports microSDHC cards, allowing users to expand memory for additional storage, essential for saving photos and media files. Its phonebook can store up to 2000 contacts, and it keeps a record of 40 received, dialed, and missed calls, showcasing its utility as a reliable communication device.
The Samsung S7550 Blue Earth is equipped with a variety of connectivity options, including GSM/HSPA technology and 3G capability with speeds of up to HSPA 3.6/0.384 Mbps. For local connectivity, it offers Wi-Fi 802.11 b/g and Bluetooth 2.1 with A2DP, enabling wireless audio streaming. The phone includes a microUSB 2.0 port for charging and data transfer.
The phone is powered by a removable Li-Ion 1080 mAh battery. It offers a stand-by time of up to 300 hours and a talk time of up to 4 hours and 10 minutes. In keeping with its environmentally-friendly ethos, Samsung innovatively incorporated a small solar panel on the device, providing limited power by converting solar energy. This feature allows for up to 20 minutes of stand-by time from a 10-minute charge in sunlight, emphasizing Samsung’s commitment to sustainable technology.
Among its suite of features, the phone has an accelerometer sensor, supporting its basic gaming applications (with additional games available for download) and user interface functionalities. It includes a stereo FM radio with RDS, offering entertainment and information without reliance on the internet. Though lacking some modern amenities such as a 3.5mm jack, the inclusion of a loudspeaker ensures users can engage in hands-free communication.
The Samsung S7550 Blue Earth stands out in its commitment to environmental sustainability. Its construction materials are eco-friendly, and the inclusion of a solar panel signifies Samsung's efforts to promote renewable energy sources, catering to environmentally-conscious users. At the time of its release, these factors set the device apart from its competitors, demonstrating Samsung's innovation in the realm of sustainable technology.
The Samsung S7550 Blue Earth is a pioneering device that exhibited forward-thinking design and eco-conscious features well ahead of its time. While its technical specifications might seem basic in the context of today’s smartphone technology, its integration of sustainable energy solutions remains influential. The device caters to users valuing basic telecommunication functionality, enhanced by a commitment to environmental stewardship. Despite being discontinued, it leaves a legacy as a notable contributor to the evolution of mobile technology, particularly in sustainable innovations.
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