Motorola C168i

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Motorola C168i powered on

The Motorola C168i is an AT&T exclusive basic "bar" phone with Motorola branding released in 2005. It was sold as an entry-level phone on the discontinued GoPhone plan (GoPhone was replaced with AT&T PREPAID).

The C168i is quite small, and looks somewhat similar to the Motorola C139, another basic entry-level phone with the Motorola brand. While the phone does have Motorola branding and a very P2K-like user interface, it was actually manufactured by an Original Design Manufacturer (ODM) known as Compal. Compal also goes by Compeq, and they made the C139 as well.

Related phones

  • Motorola W220 - Effectively the same phone in a flip-phone design.

Specs

Basics

C168i
HW Platform/ChipsetTI Calypso D751749ZPH
SW Platform/OSCompal Proprietary (P2k-like GUI)
Display 128 x 128 passive matrix cSTN
LED IndicatorNone
Flash memoryST flash chip with unknown capacity, 768KB available to user
Charging connectorBarrel jack, unknown model
Data connector2.5mm jack for AT modem commands
Regulatory infoFCC ID: IHDT56HY1 (approved 2007-04-02)

Connectivity

C168i
Operating modesGSM (850/1900)
DataGPRS
SIM sizeMini SIM
IrDANo
BluetoothNot supported
PC LinkNone officially

Media

C168i
Supported image formatsGIF, JPG
Supported sound formatsAMR, IMY, MID
Supported video formatsNone
Speaker configurationEar speaker and loudspeaker
Line out2.5mm connector
SynthesizerOKI ML2871
ExtrasiMelody composer

Messaging

C168i
SMSYes
EMSYes
MMSYes

Software

C168i
JavaNo

Accessories

Batteries

Pre-loaded content

Games

  • Soccer
  • Rebels
  • Crazy

Serial data access

The 2.5mm headphone connector on the phone also acts as a serial port. When connected, AT modem commands can be sent to the phone.

Many commands about information weren't changed from the Compal originals. For example, AT+CGMM (request model info) returns "TTA-000", when something like "C168i" would be expected.

Because of this easy access and the relatively low price of this phone, the C168i has been used in many[1] hacking[2] projects.[3]

Gallery

Phone

Firmware

References

  1. Louis, Cellphone to Arduino, (Farmhack) [1]
  2. Ben Harben, Cat water gun hack using a motion sensor and Arduino, (YouTube) [2]
  3. Mike Szczys, Serial Communication with cell phones, (Hackaday) [3]