Can't modify priv-app apk!!help

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bhavstech

Senior Member
Aug 24, 2013
1,445
477
Mumbai
1.firstly has signing system apks changed in kitkat bcoz i cant run my modified apps on my phone?
2.here is my problem,whenever i modify the file and sign it and replace them with those of system priv-app the apps disappear and when i replace them with original ones they still dont work!!!
3.i only changed some icon pngs
 
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