Sir/Mam I Purchased Fly mobile handset in feb this year .Since when i have purchased it is not working properly several time i have send this set to service station but even after repair it is no change.sometime its speaker is out of order sometime its IC is being replaced and many more. This time its speaker was not working properly so i went to service station they asked me to deposit handset and contact after one day but now 2 weeks have been over still i didn't got my handset what should i do.