ZDNET's key takeaways Use these codes to forward calls, pay your bill, check balances, etc.Some of the codes work only on ...

Short codes for Android smartphones can be used in several way, from pulling up information about the device, to communicating with the network service provider, as well as quickly accessing functions ...

If you’ve ever dialed something like #123# to check your mobile balance, you’ve already used a similar system. But Android’s ...

Your Android phone’s serial number is a unique identifier that can be used to track your phone if it is lost or stolen. It can also be used to register your phone with your carrier or manufacturer, to ...

If you've ever called your carrier's customer service to activate a prepaid SIM card or troubleshoot a malfunctioning Android SIM card or iPhone SIM, then you've likely needed your ICCID number. The ...

Accidentally deleting contacts on Android happens every now and then, and it can be very inconvenient because contacts are so valuable. You may even delete a contact voluntarily and then have a reason ...