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I9505 Overheating issue
I recently bought two i9505 devices. The following issue applies on both of them.
They had the 4.3 android version and upgraded to 4.4.2. Currently I am using the XXUFNB9 firmware.
When I turn on 3G, the phone temperature starts rising. After 10-15 minutes of simple browsing (without having any apps running in the background) the phone gets very hot. The battery % is fine I have not noticed any drain.
I know that heating was an issue on these phones, but know it's fixed. I understand that with a 4-core processor it's normal for the phone to heat, but in my case I think it's too much and without any heavy use (just browsing as I said before).
I tried doing a factory reset but the problem is not fixed. Someone told me to flash the 4.4.2 version again, but I'm afraid it will trigger the Knox flag and void the guarranty. I read many complains of this happening, even if they were flashing an OFFICIAL firmware