Your smart-phone or tablet will often contain a great deal of information about you. So, when it comes time to replace your tablet or smart-phone, be sure you 'wipe' all data from it securely . This process is usually not difficult; is quick and effective, and will ensure you are not inadvertently passing all sorts of personal information along with your old device.
https://www.securingthehuman.org/newsletters/ouch/issues/OUCH-201205_en.pdf
