Question [Q] whats app and talkback issue.

hello all,

i have an issue with installing whats app on my moto g (dual sim , android 4.3 , India) , the phone number verification process is incomplete and i get a error message saying there is no internet connection, try reebooting your phone. have tried uninstalling deleting and reinstalling ,doesnt work. i have no installing issues with a similar app called "line".

also the talkback feature which reads out the callers name isnt working , also the voice keeps speaking even i uncheck the "explore by touch" option.

brand new phone got delivered today from flipkart. Please help