Avvio 790s with internet problems

Question

hello i have a 790s Avvio dual sim to call or receive has no problem but when I activate internet in sim it says wcdma / gprs can not receive calls on the other chip then almost can not use the internet because there is always someone calling another number someone made ​​me out to see if it fixes it. 

thanks

Answer 1

wave, you've tried installing updates to your device. Try it, but I'd say ST.