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2. eSIM - Wikipedia

   en.wikipedia.org/wiki/ESIM

   An eSIM (embedded SIM) is a form of SIM card that is embedded directly into a device as software installed onto a eUICC chip. First released in March 2016, eSIM is a global specification by the GSMA that enables remote SIM provisioning ; end-users can change mobile network operators without the need to physically swap a SIM from the device.

3. Prepaid mobile phone - Wikipedia

   en.wikipedia.org/wiki/Prepaid_mobile_phone

   Prepaid service has also evolved to include rate plans and buckets traditionally seen in postpaid plans but with a lower cost of ownership for the network operator. Such Advance Pay plans are often monthly plans with either Unlimited Voice/SMS/MMS (or monthly buckets for some of these) and Prepaid Data Volume Add-ons and throttling mechanisms.

4. Maxis Communications - Wikipedia

   en.wikipedia.org/wiki/Maxis_Communications

   Maxis Berhad (doing business as Maxis) is a communications service provider in Malaysia.It is one of the oldest and largest telecommunications companies in the country. . Headquartered in Kuala Lumpur, Malaysia, it provides a variety of communication products, applications and value added services for consumers, large enterprises as well as small & medium business

5. SIM swap scam - Wikipedia

   en.wikipedia.org/wiki/SIM_swap_scam

   A SIM swap scam (also known as port-out scam, SIM splitting, [1] simjacking, and SIM swapping) [2] is a type of account takeover fraud that generally targets a weakness in two-factor authentication and two-step verification in which the second factor or step is a text message (SMS) or call placed to a mobile telephone.

6. 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).

7. Electronic reloading - Wikipedia

   en.wikipedia.org/wiki/Electronic_reloading

   Prepaid phone subscribers can top up their airtime balances via electronic reloading stations. These stations or retailers use a Retailer SIM card to top up prepaid credits on a subscriber's mobile phone. This SIM card functions similarly to commercially available prepaid SIM cards but with additional reloading/top-up functionality.