Same jpeg file?
How are you getting the file?
What app are you using to upload the file?
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If you are having problems with apps stalling or crashing,
-- double click on home button
-- swipe up on all the apps to force quit them
Re-boot ipad.
Press and hold the Sleep/Wake button until a red slider appears, then drag the slider. Then press and hold the Sleep/Wake button until the Apple logo appears.
https://support.apple.com/en-us/HT201559
force power down if the above give you trouble.
Hold down both the Sleep/Wake button and the Home button. Ten seconds or more. Hold until the Apple logo appears.
more details on re-booting:
http://ipad.about.com/od/iPad_Guide/ss/How-To-Reboot-Your-iPad-Power-Off.htm
This these tips by MichelPM to improve performance:
https://discussions.apple.com/thread/7387532?answerId=29504169022#29504169022
https://discussions.apple.com/thread/7387532?answerId=29504311022#29504311022
Restore to factory settings by loading the latest version of ios that your machine will support:
Do a full backup of your device. Twice is best -- cloud and computer.
https://support.apple.com/en-us/HT203977
"You can use iTunes to restore your iPhone, iPad, or iPod touch to factory settings and the latest version of iOS."
http://support.apple.com/kb/HT1414?viewlocale=en_US&locale=en_US
"You can put your iOS device into recovery mode, then restore it using iTunes.:
http://support.apple.com/en-us/HT201263