Siemens S40 Specifications, Tests and Review

650 mAh

Complete technical specifications, details, expert ratings and review of Siemens S40. Find out how your chosen phone stacks up against the competition and whether it's the one that best meets your expectations with the phone comparison feature.

Product Type Feature phone
Form Factor Bar
Aerial Internal
Height 112 mm Worse than 71 % of phones rated.
Width 44 mm Worse than 96 % of phones rated.
Depth 22 mm Worse than 92 % of phones rated.
Weight 97 g Better than 84 % of phones rated.
Body Colour Silver
Waterproof (Water-resistant) -
Connector Type Data port - IrDA
Data port

The Siemens S40 has a height of 112 mm, a width of 44 mm and a thickness of 22 mm. The weight of the phone is 97 g.

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DISPLAY Siemens S40
Display Type LCD display - monochrome
Screen Size (Display Size) -
Display Illumination Colour Blue
Display Indicators SMS indicator, silent ring signal, digital clock, signal strength, home zone, roaming, voice message waiting, ringer alert off, keypad lock, battery meter
Line Qty 6
MEMORY Siemens S40
Internal Memory Size (Storage Capacity) -
CAMERA Siemens S40
Number of Main Cameras 0
Number of Front Cameras 0
Battery Capacity (Battery Size) 650 mAh Worse than 98 % of phones rated.
Recharge Time (Charging Time) 2 hour(s) Better than 74 % of phones rated.
Standby Time 260 hours Worse than 71 % of phones rated.
Talk Time 360 minutes Worse than 67 % of phones rated.
Run Time Details Talk: up to 360 min
Standby: up to 260 hrs
Battery Technology Lithium Ion

The battery size of Siemens S40 is 650 mAh. Nevertheless, battery capacity is not the only factor that affects the phone's battery life. For example - the size of the display, the performance of the processor, the use of data functions and, of course, the intensity of use of phone in general all have a significant impact on battery life. Standard for most smartphones today is a battery capacity of around 4500 to 5000 mAH. Phones with this battery size usually guarantee a phone life of at least 1 day. Older or cheaper smartphone models can then reach battery capacities typically around 2500 mAH and below. With this capacity, you may find that if you use your phone heavily, you may need to recharge your phone during the day.

Standby time is 260 hours and it expresses the maximum time your phone can last on a single charge when you are not actively using it. Talk time, or we can say battery life when making calls, then indicates amount of time your phone will last from a full charge if you are constantly on a call. Siemens S40 is provided with a talk time about 360 minutes.

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CELLULAR Siemens S40
Technology GSM
High Speed Circuit Switched Data (HSCSD) Yes
2G Band 900 EGSM, 1800 GSM, 1900 GSM
Wireless Interface Infrared (IrDA)
Communication Features Internet browser
Messaging Services SMS
FEATURES Siemens S40
Phone Functions Call timer, conference call, vibrating alert
Phone Lock Yes
Keypad Lock Yes
Restrict Access to Phone Book Yes
SIM Card Lock Yes
Speech Codec EFR, FR, HR
Ring Tones 47
Personal Information Management Calendar, synchronization with PC, calculator, reminder, alarm clock
Missed Calls Memory 20
Dialed Calls Memory 10
Received Calls Memory 10
Phone Book Entries Qty 1000
SIM Card Based Directory 250 names & numbers
Additional Phone Features Intelligent Typing (T9)
OTHERS Siemens S40
Included Accessories Power adapter

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