Step 1: If you have rooted your device and installed 4.2 camera then first uninstall it. The 4.3 version won’t work if 4.2 is still on there.
Step 2: Download Jelly Bean 4.3 Camera and Gallery App.apk here: http://www.mediafire.com/download/uq...yGoogle4.3.apk
Step 3: Install it on your device same as you install any normal app.
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