Originally Posted by Whelan189
Hi, i hace s4 abd 4.3 was good but wanted the 4.4.2 but once flashed i get no signal atall, why is this? thanks
i have gt-i9505
Which baseband (modem) version do you have? Look under Settings > About this phone.
You might have to flash a new modem.bin for your S4. Be sure it's compatible with your carrier though.