Unhappy [Q] you have lost data connectivity because .....

hii ,

I have flashed AquaFlash_miui_v5 MIUI version - 3.5.17 on my intex AquaFlash ...

Problem is i'm unable to access internet because of roaming . it is saying "you have lost data connectivity because ....."

and I don't find any thing under " SimCard Management " , it is empty . it is saying "this application is not supported by this version of system

Please provide me a solution


thanxxxxxx................