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Resetting the Mobile Computer

If the mobile computer stops responding to input, reset it. There are two reset functions, warm boot and cold boot. A warm boot
restarts the mobile computer by closing all running programs. All data that is not saved is lost.

A cold boot also restarts the mobile computer, but erases all stored records and entries from RAM. In addition it returns formats,
preferences and other settings to the factory default settings.
Perform a warm boot first. If the mobile computer still does not respond, perform a cold boot.

Performing a Warm Boot - Soft reset

To perform a warm boot:

1. Press and simultaneously hold 7, 9 and Power. Do not hold down any other keys or buttons.
2. As the mobile computer initializes MC3000 demo window appears.
Files that remain open during a warm boot may not be retained.

Performing a Cold Boot - Hard reset

A cold boot restarts the mobile computer and erases all user stored records and entries from RAM. Never perform a cold boot unless

a warm boot does not solve the problem.

Cold boot resets the mobile computer, to the default settings. All added applications and all stored data are removed. Do not cold boot without support desk approval.

To perform a cold boot:

1. Press and simultaneously hold the 1, 9 and Power keys. Do not hold down any other keys or buttons. As the mobile computer

initializes, the Symbol splash window appears for about a minute.


Symbol MC3070 Hard reset Soft reset

2. Calibrate the touch screen. See Calibration Screen to calibrate the mobile computer screen.

General advice: Before you buy a new cell phone or new tablet, please try the following procedure to repair your device in a software way. First charge your battery, backup your important data if possible and in most cases take out SIM and SD card before doing factory reset. It is impossible to recover your data after doing a hard reset, so online backup is always important. For all of your data, a backup should be done on an external device, hard drive, raid system or media. With or without insurance, if your cell phone lost, damaged or stolen at least your invaluable data is backed up in a safe place. If you are about to sell your phone and you want to wipe your personal data, or if your phone affected with virus you have to do a hard reset. In some cases, you can delete the forgotten password or lock pattern from your device as well. All information is for devices with stock based ROMs. If you are using rooted device, always back up your EFS folder first, containing your IMEI info, etc.! Please also note, that a hard reset operation will not unlock your mobile phone's SIM lock or network lock, but it will remove the unlock pattern, remove the user password or PIN password (NOT the SIM card's 4 digit PIN code). Also note that the firmware version will not be affected in any way, it will not be downgraded, it will remain the same you are using and if you have rooted your device, root privileges remain also unaffected.