Dear Shivam, First of all thank you for the reply .Yes I am seeing an error message while I try to open university notes published online in PDF format on my Android phone. I am opening the file from acrobat reader app. These files open perfectly fine on my laptop and even others phones with acrobat, but sadly shows an error message when I try to open it on my phone. Eagerly waiting for your reply. Thank you, Vishal
... View more