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HTC, Google Pixel, and Xiaomi: Power and volume down; Zebra and symbol devices: Right scan/action button; Sony: Power and volume up; Google Nexus: Power, volume up and volume down; On Samsung devices, (excluding the Nexus S and Galaxy Nexus devices), power, volume down and home has to be pressed for entering ODIN mode. This is a proprietary ...
At first, Android did not use a gesture-based lock screen, electing to require the user to press the phone's Menu button. On Android 2.0 , a new gesture-based lock screen was introduced, displaying two icons: one for unlocking the phone, and one for setting the volume mode, activated by dragging the relevant icon to the center of the screen on ...
If the wrong PIN is entered more than three times, the SIM card will become locked. It can be unlocked by entering the PUK code provided by the mobile service provider, [1] which may be available on the SIM card's packaging, the contract, or provided by customer service after identity verification. After the PUK code is entered, the PIN must be ...
HTC phones have an additional layer of lock called "S-OFF/S-ON". Bootloaders can be unlocked using an exploit or using a way that the vendor supplied. The latter method usually requires wiping all data on the device. [17] In addition, some manufacturers prohibit unlocking on carrier locked phones.
On the top there is the power/lock button, on the right hand side there is the lock/unlock slider, which also turn on the torch (dual LED flash of the camera). Above that button, there are three keys: (1) volume down, (2) volume up and (3) a middle key for activating the voice commands (long press) and the voice recorder (short press).
Key pad of a Nokia 3720. Besides the number keypad and buttons for accepting and declining calls (typically from left to right and coloured green and red respectively), button mobile phones commonly feature two option keys, one to the left and one to the right, and a four-directional D-pad which may feature a center button which acts in resemblance to an "Enter" and "OK" button.
The phone also has a "SPKR" button (for engaging speakerphone mode) and an easily identified clear/back button. Below the keypad there's a Favorites button represented by a person/heart icon ...
To undo a lock (security device) Phone unlocking, the removal of a SIM lock on a mobile phone; iOS jailbreaking, removing the limitations imposed by Apple, Inc. on iOS devices; Rooting (Android), allowing users of Android devices to obtain root access within Android's subsystem (similar to iOS jailbreaking)