I have micromax canvas A1 (Android One) device. whenever I connect it to my PC in PTP mode or in MTM mode I can't find the pics that exist in my gallery. I see the DCIM folder but there are no pictures int it except for facebook pics and my screen wallpaper. I use a gallery app.In my phone, I have all the pics but when I connect the phone to PC i just can't find and picture. Please help.