Samsung GALAXY STAR GT-S5282 Reset
at the beginning take backup your mobile data then switch off your mobile and remove simcard and memory card from the mobile phone
then start the process first go on "setting" then click on "backup and reset" option after this (tick on "backup my data") option and click on "factory data reset" option after this click on "reset"then click on "erase everything" after few second android logo will apper .
factory reset process is done

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