https://community.sony.rs/t5/xperia-archive/apk-quot-install-quot-option-problem/m-p/3489470#M539657 <P>that means the apk is not compatible with your device , you have low memory, or the apk is corrupt</P> Sat, 23 Jul 2016 10:41:06 GMT MarlonUk1 2016-07-23T10:41:06Z https://community.sony.rs/t5/xperia-archive/apk-quot-install-quot-option-problem/m-p/3489469#M539656 <P>Hi.. my phone xperia E (C1504) some times the apk file "Install" option (button) not working, even i swithoff mobile and on again.</P> Sat, 23 Jul 2016 04:38:42 GMT https://community.sony.rs/t5/xperia-archive/apk-quot-install-quot-option-problem/m-p/3489469#M539656 sonyc1504 2016-07-23T04:38:42Z https://community.sony.rs/t5/xperia-archive/apk-quot-install-quot-option-problem/m-p/3489470#M539657 <P>that means the apk is not compatible with your device , you have low memory, or the apk is corrupt</P> Sat, 23 Jul 2016 10:41:06 GMT https://community.sony.rs/t5/xperia-archive/apk-quot-install-quot-option-problem/m-p/3489470#M539657 MarlonUk1 2016-07-23T10:41:06Z