Sony Ericsson P900

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Sony Ericsson P900
BrandSony Ericsson
ManufacturerSony Ericsson
SeriesP (PDA)
Compatible networksGSM 900/1800/1900
First releasedJanuary 2004 (2004-01)
PredecessorSony Ericsson P800
SuccessorSony Ericsson P910
Sony Ericsson P990
Typemobile phone
Form factorcandybar
Dimensions115 mm (4.5 in) H
57 mm (2.2 in) W
23.9 mm (0.94 in) D
Mass140 g (4.9 oz)
Operating systemSymbian OS 7.0, UIQ 2.1
System-on-chipPhilips Nexperia PNX4000
CPUARM9 @ 156 MHz
Memory16 MB
Storage48 MB (23 MB user available)
Removable storageMemory Stick Duo
Battery1260 mAh
ChargingProprietary connector
Display3 inch 208 × 320 TFT, 65K colors
Rear camera0.3 megapixel
ConnectivityBluetooth, infrared
Data inputsKeypad, touchscreen
Sony Ericsson P900 with the flip opened

The Sony Ericsson P900 is a Symbian OS v7.0 based smartphone from Sony Ericsson.

It was introduced in 2003 and is the successor of the Sony Ericsson P800; like the P800, the P900 uses the UIQ platform.

Like other Symbian-based mobile phone of its time, but unlike Ericsson R380, the P900 is an open phone. This means that it is possible to develop and install third party applications without restrictions. A UIQ 2.1 SDK based upon Symbian C++ is freely available from the Sony Ericsson developer website.[2] Additionally, the P900 supports applications written in Java. Because of this openness, many third-party applications exist that can be used on the P900 and other UIQ phones (such as the Motorola A1000 and BenQ P30). Many are shareware and freeware.

As the P900 uses UIQ version 2.1, it is backwards compatible with UIQ 2.0 as found in the P800. Applications made for the P800 will normally work on a P900 as well. It, like the P800 and P910i, has an ARM9 processor clocked at 156 MHz.

The P900 can be used without the flip as well. This makes the phone more like a PDA, but still usable as a traditional phone. The P900 supports Memory Stick Duo cards (but not Memory Stick Pro Duo) up to 128 MB in size, as does the P800. However, it has been confirmed that this 128 MB limit is just a software restriction.

The P900 was well received and is sometimes considered one of the best Symbian OS devices to have been released.[3]

An updated version of the P900, the Sony Ericsson P910 was released in July 2004. It features a small QWERTY keyboard and enhanced software, as well as double the P900's memory (64 MB, versus the P900's 32 MB) and supports Memory Stick Pro Duo, allowing the phone up to 4 GB of storage on a single card. The P910 has approximately the same battery life as its predecessor.[4]

The P900 is the first Sony Ericsson product for which Research in Motion's BlackBerry wireless email service will be available.

Some of the specifications of the P900 are:

  1. Weight – 150 g (with flip), 140 g (without flip)
  2. Internal camera: VGA (display resolution up to 640 × 480 pixels)
  3. Connectivity: Bluetooth, Infrared, USB dock
  4. GPRS (WAP 2.0)
  5. Messaging: SMS, EMS, MMS, POP3, IMAP, SMTP


P905 is the unofficial term for a Sony Ericsson P900 flashed with hacked Sony Ericsson P910a firmware. The P900 is flashed using a 'Fighter Kit'. This is usually done for four reasons:

  1. The P900 has a software restriction on the size of the memory card that can be used (128 MB).
  2. The P900 software does not support HTML email.
  3. The P900 software does not provide an option to alter the screen brightness.
  4. Flashing the firmware is cheaper than purchasing a new P910.

Though this may seem all beneficial, there may be the drawback of not being able to connect to certain Bluetooth headsets (however, this is rare).[citation needed]

Though the P905 may be identical to the P910 in software terms they are not identical in hardware terms.


  1. ^ "Sony Ericsson P900 (SE Linn) Device Specs". PhoneDB.
  2. ^ [1] Archived 2009-01-06 at the Wayback Machine
  3. ^ "Symbian's Secret History: The battle for the company's soul". The Register.
  4. ^ Murtazin, Eldar. "Review SonyEricsson P910". Retrieved 26 September 2023.

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