Problems on upgrading my sd card, files being deleted on reboot. Why is this happening?

Piyush Gupta7

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May 19, 2015
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Problems on upgrading my sd card, files being deleted on reboot

Hi i am using android one (indian stock lollipop ) , rooted. I was using 4gb class 4 sd card for a long time , now i upgraded it to 16 gb class 10 (tried samsung and sandisk), I am facing weird problems (these are not present in 4gb sd card).
First i am unable to take backup of all apps to sd card (tried several apps es explorer , app backup and restore)
Second several files get deleted on reboot (in beginning media files were deleted but now only UC folder is being deleted ) and there is increase in lost.dir folder since lost files data get there
So there is no much problem with android as it is working on 4gb and neither on sd as i tried 2 of them
Please help me .