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  2. eSIM - Wikipedia

    en.wikipedia.org/wiki/ESIM

    Phones with eSIM only do not need to be built with hardware SIM holders or means to insert them. This is particularly relevant for small devices such as smartwatches. [34] Users can update to a new plan or switch carriers instantly online. [35] eSIMs are better suited for Wi-Fi hotspots due to seamless network switching and enhanced security. [36]

  3. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    Free (1 to €1.6 if the subscriber wants to transfer their prepaid credit to the new carrier) The maximum time for the procedure is 24 working hours. In case of delay up to 3 working days no refund is given, if the delay is longer than 3 days user receive a refund of €2.5 for each day of delay, start counting from day 1.

  4. JioPhone - Wikipedia

    en.wikipedia.org/wiki/JioPhone

    JioPhone is a feature phone marketed by Jio which runs the KaiOS operating system. It supports 4G LTE network and comes with KaiOS.It was announced on 21 July 2017 during Reliance Industries' annual general meeting of that year [1] and released in August 2017.

  5. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) 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).

  6. Jio - Wikipedia

    en.wikipedia.org/wiki/Jio

    Reliance Jio has introduced a budget-friendly 4G phone called Jio Bharat at an affordable price of ₹999. The phone's sales commenced on 7 July 2023, and Reliance Jio aims to eliminate 2G technology from India through the widespread adoption of this device. The Jio Bharat Phone is specifically targeted towards individuals who are unable to ...

  7. Mobile phone feature - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_feature

    A multi-mode phone operates across different standards whereas a multi-band phone (also known more specifically as dual, tri or quad band) mobile phone is a phone which is designed to work on more than one radio frequency. Some multi-mode phones can operate on analog networks as well (for example, dual band, tri-mode: AMPS 800 / CDMA 800 / CDMA ...

  8. Google Fi Wireless - Wikipedia

    en.wikipedia.org/wiki/Google_Fi_Wireless

    In addition to using a phone's physical SIM card, Google Fi offers a Bring Your Own Device (BYOD) option whereby the customer uses their compatible phone (Google Pixel, Android or iPhone) using an eSIM (embedded SIM) virtual card to establish Google Fi as a standalone service or in conjunction with another provider. When a phone uses the ...

  9. SIM lock - Wikipedia

    en.wikipedia.org/wiki/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.