Celkon is a Best of Brand in India.celkon company manfactured alot of mobiles.celkon is a product is celkon campus a402 this product is iam buying in 2015 october. This product run good in three months only.another some techinicals problems evaluated in Mobile.3D games not supported , Touch Display not work in properly , charging time is most in long .
Some apps installed in mobile but not worked some times mobile shutdow and crash the mobile.Mobile ram is low only 512 MB .self pic is poor no clarity in photo.self pic camera 1.3 Mp Only.kit kat version is poor and not support the apps and show error and unfortunately system stopped in show the error msg.
Celkon Campus A402 Design is Best .Volume Clarity good and network signal receiving is best standards.Celkon Display is not working Touch the display open the another app display touch is poor.battery capacity 2000 li-on mah only charge time highly some times mobile use then charging is over speedly.
1.Celkon network connectivity is too late in signals connecting.
2.Internal memory 4GB and external memory 32 GB only not install high data apps .
Better celkon customer response support team.iam using the mobile and to many problems iam focused but not recommended this product in other. You can the buy the celkon campus a402 product your choice but know the this product qualitiative in your friends another descion to buy the product. Iam not choose the this product .iam used the mobile and my experience in this mobile .