help need ko anwser nyo if lagi bah kayo nakakaranas naka set sa 4G nag signal maya maya red mode kahit naka auto mode naman.
NASA dead spot po ang device pg alang antenna no signal, dun ko tlga inilagay. Pwedeng I try niyo rin sa dead spot lagyan nag antenna para mag ka signal, Kung may chance ba na mag red mode.
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