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USSD Phase 1, as specified in GSM 02.90, only supports mobile-initiated ("pull") operations. [8] In the core network, the message is delivered over MAP, USSD Phase 2, as specified in GSM 03.90. [9] After entering a USSD code on a GSM handset, the reply from the GSM operator is displayed within a few seconds.
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 network.
Google Spaces was a mobile app for group discussions and messaging developed by Google. [1] The app was intended to compete with Slack as a content sharing platform where users can create a "space", invite their friends for discussion, and share videos, images, text, and other media.
Verified for iOS 9.3 and later. 1. Double press the Home button or swipe up and hold. 2. Swipe up on the image of the app. 3. Re-launch the app and attempt to reproduce the issue.
Ultra Mobile is a mobile virtual network operator (MVNO) that uses the T-Mobile US network. Customers can choose the number of minutes, text messages, or data that can be used via a prepaid mobile phone plan.
In mobile telephony GSM 03.38 or 3GPP 23.038 is a character encoding used in GSM networks for SMS ... This page was last edited on 23 January 2025, at 11:17 (UTC).
An access point is: An IP network to which a mobile set can be connected; A set of settings that are used for that connection; A particular option in a set of settings in a mobile phone; When a GPRS mobile phone sets up a PDP context, the access point is selected. At this point an Access Point Name (APN) is determined
Unlocking the bootloader allows installing and running unsigned code on a device, including user customized software. Operating outside the manufacturer specification might usually result in voiding any warranties and may make the device susceptible to data theft, as the integrity of the operating system (as intended by the manufacturer) can no longer be guaranteed. [1]