Default [Help] The "H" icon / symbol disappears (no data work)

hai.

need sugestion. suddenly my nexus 5 icon "H" icon / symbol (i only got HSDPA in my country, so yes it would be just H or Edge) disappear. in the moment i think the operator where i'm using is having network trouble. when i get home i connect to wifi, but still internet not working. pull my other phone and connet to wifi and it is working, and then i try pull my sim on nexus 5. put in that other phone is working normally, i try to reset phones 2 times and wipe data completly it is still no working.

i even try install 2 other roms still not working. imei, and baseband not error cause is show number in about phone not "unknown"

i even try reverse tethering and nothing.

any ideas why?

thx

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is this something bug in 4.4.4?

should i try 4.4.2 rom? i never try on 4.4.2 rom and see if everything back to normal. guess i try tomorow. i'm too tired this night. lol