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Original post by calvin,

Title:

Wifi (in grey) could not be turned on?

Text:

Tried rebooting & hard reset, but it didn't help.

Also, tried to turn on & off airplane mode.

Same result.

Even for bluetooth, when I tap on it, it kept processing but can't be turned on.

Device:

iPhone 4S

Tags:

wifi and bluetooth not working

Status:

open