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  2. List of mobile phone brands by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_phone...

    Hardware development delegated to third party. HMD Global. Develops Nokia-branded feature phones and smartphones since 2016. Bittium. France. Archos. Alcatel Mobile. Owned by Nokia and used under license by TCL Technology. Crosscall [ fr]

  3. List of mobile network operators - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_network...

    Comparison of mobile phone standards; List of sovereign states by number of broadband Internet subscriptions; List of countries by number of Internet users; List of countries by number of telephone lines in use; List of countries by smartphone penetration; List of multiple-system operators; List of telephone operating companies

  4. 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 ...

  5. Bootloader unlocking - Wikipedia

    en.wikipedia.org/wiki/Bootloader_unlocking

    Bootloader unlocking is the process of disabling the bootloader security that makes secure boot possible. It can make advanced customizations possible, such as installing a custom firmware. On smartphones this can be a custom Android distribution or another mobile operating system. Some bootloaders are not locked at all, others can be unlocked ...

  6. Cellular Abroad - Wikipedia

    en.wikipedia.org/wiki/Cellular_Abroad

    Cellular Abroad is a mobile virtual network operator and internet retailer based in Los Angeles that uses GSM technology to provide international wireless voice, messaging and data services. Cellular Abroad sells and rents unlocked international GSM cell phones, portable WiFi hotspots and SIM Cards under the National Geographic Society brand.

  7. Category:Mobile phone companies by country - Wikipedia

    en.wikipedia.org/wiki/Category:Mobile_phone...

    Mobile phone companies of Bangladesh ‎ (10 P) Mobile phone companies of Belarus ‎ (3 P) Mobile phone companies of Belgium ‎ (1 C, 6 P) Mobile phone companies of Brazil ‎ (11 P) Mobile phone companies of Brunei ‎ (1 C, 4 P) Mobile phone companies of Bulgaria ‎ (4 P) Mobile phone companies of Burundi ‎ (1 P)

  8. List of mobile virtual network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_virtual...

    Most of the MVNOs in this table provide voice, text, and data services to mobile phones ("Yes" in Phone service column; note that this column does not indicate whether the provider sells phones – all providers offering phone service sell phones unless the "BYOD" column contains "Yes, BYOD-only").

  9. List of telecommunications companies - Wikipedia

    en.wikipedia.org/wiki/List_of_telecommunications...

    Telecommunications company. ITU-T. Landline. List of mobile network operators. List of mobile network operators of the Americas. List of mobile network operators in Asia and Oceania. List of mobile network operators in Europe. List of mobile network operators in the Middle East and Africa. List of mobile network operators in Canada.