HTC One max User manual - Page 211

Unmount the microSD Card When you need to remove the microSD card while the phone is on, you must first unmount the microSD card. This prevents corrupting the data stored on it or damaging the microSD card. Close all running applications on your phone and save any data before you unmount the microSD card. 1. With two fingers, swipe down from the status bar, and then touch > Storage. 2. Under SD card, touch Unmount SD card, and then touch OK. 3. Remove the microSD card. See Remove the microSD Card. Update Your Phone From time to time, updates may become available for your phone. You can download and apply updates through the Settings > System updates menu. Prepare for a Phone Update You can update your phone's software using the System updates settings. Updating your phone firmware will erase all user data from your phone. You must back up all critical information before updating your phone firmware. Note: Updating your phone firmware may not permanently erase all data from your phone, including personal information. Back Up All Data Prior to Update To back up your Gmail information: 1. With two fingers, swipe down from the status bar, and then touch > Accounts & sync. 2. Do any of the following:  Turn on the Auto-sync option. When Auto-sync is on, Gmail email, Calendar, and Contacts automatically synchronize whenever a change is made.  Touch Google, select the Google account you want to back up, and then select the items you want to synchronize. To back up your Exchange ActiveSync information: 1. With two fingers, swipe down from the status bar, and then touch > Accounts & sync. 2. Touch Exchange ActiveSync, select the account you want to synchronize, and then touch > Sync now. Tools and Calendar 196