1. sadaf2k's Avatar
    i upgraded firmware to 4.3 jelly bean. since than whenever i tried to make phone calls , my phone restart. some time it restart twice. please let me know if some has solution of this problem.
    12-07-2013 11:45 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! Try clearing the system cache partition using these instructions: Reset: Samsung Galaxy S 4 | T-Mobile Support
    12-07-2013 11:46 AM
  3. Vernon Denison1's Avatar
    Just try a factory reset, after updating to new so it is always best to do a factory reset your phone as this sorts out the bugs and luging on the phone.

    Posted via Android Central App
    12-07-2013 12:43 PM
  4. Israel Belnas's Avatar
    is the battery swollen? because mine also experienced kind of problem but when i tried to change the battery to a new one, the problem is now gone.
    12-08-2013 02:30 AM
  5. sadaf2k's Avatar
    clean system cache . does not solve issue. tried factory reset . problem still there. checked battery temperature . average 24 c . will buy new battery tomorrow. it may help.
    12-08-2013 06:31 PM
  6. sadaf2k's Avatar
    battery replaced, new battery but problem still there, even getting worse, restarting every time when i tried to make phone calls . now it restarts even i start watching recorded or live videos, Any idea,
    12-11-2013 10:12 PM
  7. B. Diddy's Avatar
    There have been A LOT of complaints about problems with the 4.3 update for the S4. You could either wait for Samsung to come out with a fix, or try downgrading back to 4.2.2 using these instructions: Guide to Downgrade Firmware on Samsung Galaxy Devices. I don't have experience with it, so I can't really give you any more details. Good luck!
    12-12-2013 12:04 AM

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