GT I9082 Lag issues even on 4.1.2
My phone is about 8 months old and it was working perfectly on 4.1.2. I have triet 4.2.2 but it was kind of laggy and the features werent worth he performance issues. So to the point - my phone has some lag issues (to the point that I have to wipe data factory reset every week or so) which I have noticed that occur when:
1. Downloading apps or just about anything - it stucks in the middle of the download and the phone lags and after a couole of seconds - (5-10) it cintinues the download. I guess the problem is related when writing data...
2. When i listen to music sometimes it takes up to 5 or 10 secknds for a song to play.
3. Random hangs saying "touchwiz isnt responding" or any other app.
4. Sometimes it takes up to 10 seconds for the screen to turn on when the lock button is pressed. Or sometimes it doesnt turn on at all.
This occured when I simply was uploading a photo on instagram and tge gallery app crashed, the whole phone crashed, rebooted it and the issues started (note that when this occured I was on 4.2.2). Could this be a hardware problem ?
Any ideas are welcome, this isnreallt frustrating, please help.