A factory reset, also known as master reset, is a software restore of an electronic device to its original system state by erasing all of the information stored on the device. A keyboard input button factory reset is used to restore the device to its original manufacturer settings. Doing so will effectively erase all of the data, settings, and applications that were previously on the device. This is often done to fix an issue with a device, but it could also be done to restore the device to its original settings. Such electronic devices include smartphones.
Since a factory reset entails deleting all information stored in the device, it is essentially the same concept as reformatting a hard drive. Pre-installed applications and data on the card's storage card (such as a microSD card) will not be erased. A factory reset effectively destroys all data stored in the unit.
Factory resets can fix many chronic performance issues (i.e. freezing), but it does not remove the device's operating system.
Reset via Settings menu
select Apps from home screen or Press Menukey from home screen
select Settings
select Accounts
select Backup & reset
select Factory data reset
select Reset device
select Erase everything
To avoid permanent damage to your device, do not restart your device while a...
Confirm and make sure that LENOVO A800 Battery is fully charge or not empty
Turn off LENOVO A800
Press together : POWER + VOLUME UP about several second, that the warning will appear at the LENOVO A800
Choose: Reset Device or Wipe data or Clear eMMC
Make sure we already sure than we know that...
>>> USB Pinfind No need Hold Mobile Power key...
>>> Scanning Mobile USB Port...
>>> Detecting COM PortCOM162
>>> Connecting Mobile...
Mobile Connection Success...
Mobile Firmware Version:SPRD3
>>> Downloading First Boot...
>>> Mobile Info
Project ID :Spreadtrum Boot Block version...
samsung copy s4 after hard reset can not show samsung logo just on android logo set is ok but shwo android logo how to fix problem argent plz
Imranlucky Imranl: samsung copy s4 after hard reset can not show samsung logo just on android logo set is ok but shwo android logo how to fix problem...
Alcatel OT-918 hard reset ...
Reset Alcatel One Touch 918D reset 918n
Turn off your phone. Hold VOLUME UP + power on/off key at same time until the phone switching ON to reset it.
When you see the yellow exclamation mark with Android press HOME key.
With Volume Down select Factory reset...
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