There's a hidden language that's part of the GSM standard that can unlock hidden features on your smartphone. You can dial codes to check your bill, data usage, forward calls, hide your caller ID, and ...

Use these codes to forward calls, pay your bill, check balances, etc. Some of the codes work only on certain carriers or devices. One of the codes also might erase your data, so use with caution. I've ...

Editorial Note: Talk Android may contain affiliate links on some articles. If you make a purchase through these links, we will earn a commission at no extra cost to you. Learn more. Think you’ve ...