speedometer/dis issue

[Me gusta l920]

so used to use apps like runtastic for training...after the grd2 update my speedometer has stoped working

the map works fine ..but the speed nor the distance increase..i checked 20 more apps ..it worked it none..how do i fix it..i need help and fast

thnx in advance

 

[Me gusta l920]

altitude is also not coming up