uco mbank apk installation error

I am using samsung galaxy tab2 ( GT-P3100 ) with android 4.1.2 when I updated uco mbank apk after installing when I open apk its unable to view properly and completely on my screen am attaching screen shots of it .Actually it should ask for activation and i couldn't view all option it directly opens as old version so I came old app is dominated by this new update version please help me