Cell standby will be high:
1. When you don't use your phone for much of anything else. 100% of your battery use has to be by something, and if you're not using many apps, your battery will be consumed more by cell standby than it would if you used your phone for other things (though your overall battery usage will be lower.) An example: you go six hours and your battery falls to 90%. I sit right next to you, but I have Facebook, Twitter, Instagram, etc., looking for updates in the background, and my phone falls to 70%. Your phone and my phone have used the same amount of battery for cell standby, but your phone has a higher percentage for cell standby than mine (because I have used more battery for other things in the same amount of time.)
2. Your signal is low. You say it's not a signal problem, but what is your signal? (Not the bars - the actual signal in dBm.) Or, go into settings / battery, tap the usage graph, and there will be a bar chart for signal. If you see all green - then you're right, signal is not an issue. If you see yellow, amber, or red, then signal is an issue.
12-05-2015 11:05 AM