Iphone 5s facebook app not installing

[Alejayjohn12]

so the 5s is new with 10.1
Sadly impossible to install facebook trough itunes or app store on the phone ! Apparently i must have an updated Os in order to install the app , what in world update do i need im on the last os version for god sake ....
[doublepost=1479665113][/doublepost]The message appears like this
The messenger installs the app no

 

[Armen]

so the 5s is new with 10.1
Sadly impossible to install facebook trough itunes or app store on the phone ! Apparently i must have an updated Os in order to install the app , what in world update do i need im on the last os version for god sake ....
[doublepost=1479665113][/doublepost]The message appears like this
The messenger installs the app no

10.1.1 is the latest version.