The battery draining issue, the messaging old looking crap the screen touch that sometimes acts up the UI need to be refreshed make it more refining more classic and the IP image that needs to be updates the video recorder at night it's kinda blur please fix that specially the battery we long for another update the 4LTE isn't sure to be reached here in Haiti with Zmax pro I only get 3G I wish I'd get the 4G LTE I really love the phone but it has some bugs that needs to be fixed the most important is the battery draining and the connection range to bring it to 4G a secure one with some feature along to it