I have had my Galaxy S4 GT-i9505 for nearly a year now, it currently runs Android 4.3 and I have been trying to update it to KitKat version but it seems impossible. I have tried to search for updates using Kies and using Software update in Settings -> About Device, but it always tell me "The latest updates have already been installed", even though there is a newer update available. Any ideas?
Also: When choosing WDCMA Network Mode in Network Settings, my phone seems to weirdly to go no signal. It would function normally when the screen is on but as soon as I press the lock button, it loses signal and I can't use the phone's network. GSM works just fine though, but the speed I get with GSM is close to zero. Any idea why this would occur?
Also: When choosing WDCMA Network Mode in Network Settings, my phone seems to weirdly to go no signal. It would function normally when the screen is on but as soon as I press the lock button, it loses signal and I can't use the phone's network. GSM works just fine though, but the speed I get with GSM is close to zero. Any idea why this would occur?
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