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  2. SIM lock - Wikipedia

    en.wikipedia.org/wiki/SIM_lock

    SIM lock. A SIM lock, simlock, network lock, carrier lock or ( master) subsidy lock is a technical restriction built into GSM and CDMA [ 1] mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks. This is in contrast to a phone (retrospectively called SIM ...

  3. TracFone Wireless - Wikipedia

    en.wikipedia.org/wiki/TracFone_Wireless

    TracFone Wireless, Inc. (TFWI) was an American wireless service provider.It was a mobile virtual network operator offering prepaid and no-contract service on the AT&T Mobility, T-Mobile US, and Verizon networks [2] under multiple brands, including TracFone, Net10 Wireless, GoSmart Mobile, Page Plus Cellular, SafeLink Wireless, Simple Mobile, Total Wireless, and Straight Talk Wireless (in ...

  4. International Mobile Equipment Identity - Wikipedia

    en.wikipedia.org/wiki/International_Mobile...

    The International Mobile Equipment Identity ( IMEI) [ 1] is a numeric identifier, usually unique, [ 2][ 3] for 3GPP and iDEN mobile phones, as well as some satellite phones. It is usually found printed inside the battery compartment of the phone but can also be displayed on-screen on most phones by entering the MMI Supplementary Service code ...

  5. List of CDMA2000 networks - Wikipedia

    en.wikipedia.org/wiki/List_of_CDMA2000_networks

    No new applications for CDMA service were accepted after 7 Nov 2018. Voice data via IP over the CDMA2000 1x EV-DO network. Interdnestrcom Moldova: CDMA2000 1xRTT 450 / 800 ? Sep 2020 (450) / Aug 2023 (800) [123] [124] [125] Coverage only in Transnistria. Telecom Namibia Namibia: CDMA2000 1xRTT, EV-DO Rel. 0 450 / 800 Nov 2006: Apr 2015 [126] [127]

  6. Palm Treo Pro - Wikipedia

    en.wikipedia.org/wiki/Palm_Treo_Pro

    The phone originally was released in an unlocked GSM format. The updated release of the phone for CDMA networks featured new hardware specifications, including a more powerful processor, more storage, and less user-available RAM. Mobile phone, CDMA model with 800/1900 MHz bands, with EV-DO Rev.A data. Unlocked GSM model also available

  7. GSM - Wikipedia

    en.wikipedia.org/wiki/GSM

    Website. www .gsma .com. The Global System for Mobile Communications ( GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation ( 2G) digital cellular networks used by mobile devices such as mobile phones and tablets. GSM is also a trade mark owned by the GSM ...

  8. HTC Hero - Wikipedia

    en.wikipedia.org/wiki/HTC_Hero

    HTC Hero (marketed as T-Mobile G2 Touch by T-Mobile in the UK, Austria, Germany, Croatia, the Netherlands, Slovakia, and Hungary; and as Era G2 Touch in Poland) is the third phone manufactured by HTC running the Android platform, announced on June 24, 2009 in London. It is the second flagship Android phone, and the fourth Android phone after ...

  9. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    SIM card. A SIM ( Subscriber Identity Module) card is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops ).

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