Samsung - samsung S5302 galaxy Y Duos-F hard reset
Hard Reset Procedures
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By performing a factory reset will delete and wipe all of your personal data, so we highly recommended to backup your important data and take the SD Card out from phone before performing factory reset.
1. Power off phone
2. Press and hold Home Button ( middle ) + Volume Up + power on button
3. Wait for 5 second until Android System Recovery menu appear
4. There are 4 options
reboot system now
apply update from sdcar
wipe data/factory reset
wipe cache partition
5. Move the options to " Wipe data / factory reset " using volume down ( - ) button and menu button to confirm, because the touchscreen doesn't work in reovery mode
6. After the process done, phone will reboot.