I just switched from iPhone 4 to a brand new S4 mini and i noticed its battery life is worse than my three year old iPhone's. It barely makes it trough the day of normal usage. I lowered the screen brightness, turned gps off, mobile network and all the other networks but the wifi, i have a few apps installed, two widgets on the background and an ordinary background. I am constantly closing all of the apps, clearing the ram and i have the Battery Doctor app to monitor my usage. I also have a 16 GB Kingston micro SD card with 1 GB of music on it. Did i do something wrong, is this a common issue with this phone, is it a hardwear fault and is there anything that can help?
And by the time i wrote this using google chrome on it, it dropped by 2%
Read more: Samsung Galaxy S4 Mini battery issues?