Part #1 How to backup your Android 4.4.2 KitKat device using Titanium Backup

Well... the Android factory reset might be a good thing at all. But if you really want to be sure to get rid of any piece of Android and fragments of other apps and personal data, then you will have to wipe and format the hell out of your device. The factory reset only cleans specific "folders" and wipes only specific partitions like eG /data, /cache & /dalvik cache.

The tutorial is subdivided in: #1 real Backup, #2 real wipe and formating, #3 how to install and #4 some minor advices and tweaks. Please read them all to prevent user caused errors and stuff.