Disclaimer: Remember that a reset is permanent and cannot be undone. It will erase all personal data and downloaded content on the phone, don’t worry it will not affect or erase your memory card or anything saved on your SIM card. This includes content such as pictures, ringtones, texts, apps, etc. and will usually fix software glitches, bugs, viruses, etc as well. Try if at all possible, to perform a backup first. Usually when you need to perform an alternate reset on your mobile phone you might not be able to do a backup. Preparation for a hard reset on an Android phone Just a minor side note, on a typical alternate reset so that you know what to expect. You’re going to power the phone off, hold a specific set of key combinations (shown below), access a fastboot/testing/recovery/etc screen, select reset, and then the phone is going to power itself off, all by itself, then it’s going to power itself back on, all by itself. This can take a few minutes, some phones can take up to ...