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This is a good phone within the budget range. Need to remove a lot of inbuilt apps to increase speed

It is a very nice low budget phone.
Yes, people have problems with it, but here is the solution:
The phone is a sponsored phone. It is low budget so many of the unfamilar apps have sponsored Karbonn to make this phone. I return Karbonn has kept the apps of those sponsors in-built in this phone. Those apps are either good or bad. Some make the phone slow and some dont affect.
In order to maintain good speed of the phone:
1) Locate the apps which are causing issues , example - an inbuilt sponsored launcher.
2) Go to settings
3) Force Stop and disable it
4) Cancel all the permissions of that app
5) Reset Default settings
6) Cancel advanced permissions.

That will stop the unwanted in-built app from causing issues and will give you great speed with the phone.

Great initiative Karbonn!!

But dont expect itll run facebook whatsapp or utube together When you need a touch phone with 1 GB ram, thtas simply a choice

Touch screen is less sensitive
Battery chaing and discharging time is less. Asif old battery supplied in phone .picture and sound quality is pretty good.

Battery is worst ,standby is 5hours, charging time more using time less battery is worst but mobile is good

Today i received my product and speaker not working, i am trying to do replacement for this product but its not allowing me, when purchased this items its mentioned there it has replacement.

Not good average

Phone is good in this price range but battery will down without any use. you purchase battery from outside camera and sound are very good

Battery life is not good but touch is very good also value of goods is an sufficient.

Did not work. Had to return. Dont buy this.