settings

PIN lock: Lock your SIM or USIM card by activating the PIN requirement. You need to enter the PIN supplied with your SIM or USIM card.

Change PIN1 code: Change the PIN1 code.

Change PIN2 code: Change the PIN2 code.

SIM lock: When this option is enabled, your device only works with the current SIM or USIM card. If you insert an unknown SIM or USIM card, your device will ask for the lock code.

Memory settings

Customise the memory settings.

Memory card details: View the total amount of memory and available memory in a memory card.

Default memory: Set a default memory location for storing media files.

Memory status: View the amount of memory available for storing messages or files.

Reset settings

Set to restore default settings.

Open source licence

View the open source licence information on your device.

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Samsung M1 user manual Memory settings, Reset settings, Open source licence, Set to restore default settings