The Siemens CL55 was introduced in the telecommunications market during the fourth quarter of 2003. It represents an era of feature phones that predate the widespread adoption of smartphones, characterized by basic functionalities and compact design. It was particularly aimed at users who preferred simplicity and basic mobile communication capabilities over advanced features.
The Siemens CL55 is equipped with GSM network technology. It supports 2G bands specifically on GSM frequencies of 900 and 1800. It also offers GPRS Class 8 for data transmission but does not support EDGE technology, which means the internet browsing and data download speeds are modest by today’s standards. The emphasis was more on voice communication rather than internet connectivity.
The design of the Siemens CL55 focuses on simplicity and portability. It boasts dimensions of 83 x 41 x 22 mm, making it compact and easy to carry around. Weighing just 79 grams, it’s lightweight and fits comfortably in the user's hand or pocket. The phone supports a single Mini-SIM, a standard at the time, focusing on core functionality over multi-SIM options.
Siemens CL55 comes with a TFT display capable of displaying 65,000 colors, providing basic but adequate color representation for its time. It features a resolution of 128 x 160 pixels, enough for viewing simple images and navigating through the user's contacts and settings. Despite the compact screen, it was sufficient for the functionalities the device offered.
The phone does not feature expandable storage; there is no card slot present. However, it allows storage of up to 100 contacts, each with five fields and the ability to categorize them into five contact groups. Additionally, it maintains a record of 10 dialed, 10 received, and 10 missed calls, reflecting typical usage expectations of the time.
While the Siemens CL55 lacks a loudspeaker and a 3.5mm audio jack, it does support vibration alerts and downloadable polyphonic ringtones, providing customization for incoming calls and notifications. This feature allowed users to personalize their phones to some extent even without modern audio capabilities.
In terms of connectivity, the Siemens CL55 has limitations. It does not support WLAN, Bluetooth, or radio functions, which significantly limits its connectivity and file-sharing capabilities. Similarly, there is no GPS positioning, nor wired USB data transfer options, emphasizing its basic feature phone status.
The Siemens CL55 operates on a proprietary operating system typical for feature phones. It supports SMS and MMS messaging, providing basic text communication. The phone comes equipped with a WAP 1.2.1 browser; however, internet navigation is limited due to the low-speed data transmission capabilities. The device supports game downloads, but it does not support Java applications, limiting the scope of available apps and games.
Powered by a removable Li-Ion battery with a capacity of 700mAh, the Siemens CL55 offers necessary battery life for its limited functionalities. The simplicity of the device ensures that battery consumption is minimal, extending the duration between charges, which is consistent with the expectations for feature phones during its era.
The Siemens CL55 was available in three color variants: Silver, Red, and Blue. These options provided a basic level of customization for users, allowing them to express a bit of personal style through their choice of device color.
The Siemens CL55 encapsulates the essence of early 2000s feature phones - focusing on simplicity, reliability, and basic communication needs. Despite its limitations by today’s standards, it was a popular choice for users looking for straightforward mobile communication without the complexity of advanced features. As technology has evolved, devices like the CL55 serve as a reminder of the mobile industry's rapid progression over the past two decades.
All Rights Reserved +13571 Phones © Mobilawy 2025