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Symbian Phone
if the phone has this menu button its normally symbian phone. But not all... You can format your phone using *#3730#Symbian OS v6.0 and 6.1
The first 'open' Symbian OS phone, the Nokia 9210 Communicator, was released in June 2001. Bluetooth
Symbian OS 7.0 and 7.0s
First shipped in 2003. This is an important Symbian release which appeared with all contemporary user interfaces including UIQ (Sony Ericsson P800, P900, P910, Motorola A925, A1000), Series 80 (Nokia 9300, 9500), Series 90 (Nokia 7710), Series 60 (Nokia 3230, 6260, 6600, 6670, 7610) as well as several FOMA phones in Japan. It also added EDGE support and IPv6. Java support was changed from pJava and JavaPhone to one based on the Java ME standard.
Symbian OS 8.0
Also included were new APIs to support CDMA, 3G, two-way data streaming, DVB-H, and OpenGL ES withvector graphics and direct screen access.
Symbian OS 8.1
The first and maybe the most famous smartphone featuring Symbian OS 8.1a was Nokia N90 in 2005, Nokia's first in Nseries. It comes with Carl-Zeiss Tessar optics and a 2 Mpx (1600*1200) camera with video capabilities to take VHS quality (352×288) videos and a huge screen resolution (at the time) of 352*416 pixels.
Symbian OS 9.0
A Symbian developer proclaims that porting from Symbian 8.x to Symbian 9.x is a more daunting process than Symbian says.
Symbian OS 9.1
Released early 2005. It includes many new security related features, particularly a controversial platform security module facilitating mandatory code signing. S60 platform 3rd Edition phones have Symbian OS 9.1. Sony Ericsson is shipping the M600 and P990 based on Symbian OS 9.1.Support for Bluetooth 2.0 (was 1.2)
Symbian OS 9.2
Released Q1 2006. Support for OMA Device Management 1.2 (was 1.1.2). S60 3rd Edition Feature Pack 1 phones have Symbian OS 9.2. Nokia phones with Symbian OS 9.2 OS: Nokia E90, Nokia E66, Nokia E63, Nokia E71, Nokia E51, Nokia N95, Nokia N82, Nokia N81, Nokia 6290, Nokia 6120 classic, Nokia 5700.
Symbian OS 9.3
Released on 12 July 2006. Upgrades include improved memory management and native support for Wifi 802.11, HSDPA, Vietnamese language support. The Nokia N96 as well as the Nokia N78 feature Symbian OS 9.3. As of Q2 2008, OS 9.3 has just entered new devices.
Symbian OS 9.4
Announced in March 2007. Provides the concept of demand paging which is available from v9.3 onwards. Applications should launch up to 75% faster. Additionally, SQL support is provided by SQLite. Ships with the Nokia 5800 XpressMusic.
Symbian OS 9.5
Includes native support for mobile digital television broadcasts in DVB-H and ISDB-T formats and also location services.
