What to do when after reset, Karbonn Sparkle V get stuck at 'checking connection'?

I use Karbonn Sparkle V using Android marshmallow 6.0.1 may 2016 updated. After I reset my phone at Initial startup it get stuck at 'checking connection' and nothing happens.....

I also have the same problem. pls help

My problem is also same with karbonn sparkle v

no nothing still now and also some apps crashes at startup namely Google App, Google Calendar, Google Talk services and Olx dont know why...

same sparkle v same problem bro :( do you find any solutions???

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