Note:
1.
Reset WI-FI, mobile &Bluetooth: Tap the app icon
WI-FI, mobile &Bluetooth" -> "reset settings" -> "reset settings".
2.
Reset app preferences: Tap the app icon
Language & Input Method
Tap the app icon
-> "Languages & input". Then set the language and input method as per your needs.
-> "System" -> "Advanced" -> "Reset options" -> "Reset
-> "System" -> "Advanced" -> "Reset options" -> "Reset apps".
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