In my opinion, while the smartphone should be not less than 1.5 days, with the active use of the machine (oh, BlackBerry 9700).
Ngokubona kwami, kuyilapho smartphone kufanele kube izinsuku ezingengaphansi kuka 1.5, kanye nokusetshenziswa asebenzayo umshini (oh, BlackBerry 9700).