Level 1-2 Service Manual
12-December-2007 10
Product Overview
The Motorola W160/W156/W180/W175/W161/W181 features a global system for mobile
communications wireless interface technology. It also features a simplified icon and graphical
user interface (UI) for easier operation in addition to short message service text messaging
(SMS), speed dialing, quick dialing, an alarm, a calculator, games, and an address book. The
W160/W156/W180/W175/W161/W181 is a dual-band phone that allows for roaming within
the EGSM900 / DCS1800 or GSM850 / PCS 1900.
The telephones are made of polycarbonate plastic. The display and speaker, as well as the 21-
key keypad, transceiver printed circuit board (PCB), microphone, charger and headphone
connectors, and power button are contained within clam shell form-factor housing. The
Userreplaceable 910 mAh Lithium-Ion (Li-Ion) battery provide up to 238-469 Mins of talk
time with up to 133-307 Hours of standby time. The phone accepts 1.8V/3V mini subscriber
identity module (SIM) cards that fit into the SIM holder next to the battery. These telephones
feature a 128 x 128 pixel Depends on LBI LT(gray) or MT(color). display and an internal
antenna.
Features
W160/W156/W180/W175/W161/W181 telephones use advanced, self-contained, sealed,
custom integrated circuits to perform the complex functions required for GSM GPRS
communication. Aside from the space and weight advantage, microcircuits enhance basic
reliability, simplify maintenance, and provide a wide variety of operational functions.
Features available in this family of telephones include:
• A 128 x 128 pixel color graphics (Depends on LT or MT) display
• Internal antenna
• Lower voltage technology that provides increased standby and talk times
• Extended GSM (EGSM) channels
• Display animation (Depends on LT or MT)
• VibraCall® vibrating alert
• 5-Way navigation key
• SIM Toolkit™ Class 2 (STK) (Network, subscription and SIM card or service provider
dependent feature. Not available in all areas.)
• Backlight
• Speed-, Quick- and One-Touch dialing
• Call Forwarding and Holding
• Customized Menus
• Personal management tools calculator with currency converter, and clock with date
• Other features
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