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The similar term over-the-air service provisioning (OTASP) specifically refers to the wireless initial provisioning ("activation") of a phone. During activation, a mobile phone is provisioned with parameters like its phone number, mobile identification number , and system ID , granting it initial access to the cellular network.
USSD on a Sony Ericsson mobile phone (2005). Unstructured Supplementary Service Data (USSD), sometimes referred to as "quick codes" or "feature codes", is a communications protocol used by GSM cellular telephones to communicate with the mobile network operator's computers.
The Type Allocation Code (TAC) is the initial eight-digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices. The Type Allocation Code identifies a particular model (and often revision) of wireless telephone for use on a GSM , UMTS , LTE , 5G NR , iDEN , Iridium or other IMEI-employing wireless ...
This list contains the mobile country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean. Guam and the Northern Mariana Islands are included in this region as parts of the United States.
The last of the previously unused ESN codes were allocated in November 2008. [3] Applications for assignments were accepted until June 30, 2010 using reclaimed ESN codes, those previously assigned to AMPS or TDMA phones and therefore not present on CDMA2000 systems. Reclaimed codes have also been used for UIMID assignments. Codes are assigned ...
The iPhone 14, 15 and 16 models are all capable of connecting to satellites, but iOS 18 is required to send text messages, according to Apple. To make sure your phone is updated, go to Settings ...
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Apple Push Notification service (APNs), previously known as Apple Push Service (APS), is a platform notification service created by Apple Inc. that enables third party application developers to send notification data to applications installed on Apple devices. The notification information sent can include badges, sounds, newsstand updates, or ...