Alcatel Idol 4S 6070K - Manual (Page 131)

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The phone will become warm following prolonged calls, game
playing, internet surfing or running other complex applications�
• This heating is a normal consequence of the CPU handling excessive
data. Ending above actions will make your phone return to normal
temperature.
After Factory data reset is performed, my device asks me to enter
Google account credentials and I can't use it avoiding this action (1) �
• After factory data reset is performed, you need to enter Google
account credentials used on this device before reset. Otherwise you
can't use the device. If you don't remember your Google account
credentials, please complete Google account recovery procedure. In
case you don’t succeed in it, apply to authorised repair center, but
remember that it will not be regarded as warranty case.
I don't hear when somebody calls/messages me� I just see missed
calls/messages notifications on display�
• Check if Interruptions/Do not disturb mode is activated on your
device. If activated, you can see a “Star” symbol (for Android OS
5.X) or icon (for Android OS 6.X) displayed on notification panel.
In this case, you need to deactivate Interruptions/Do not disturb
mode. Just press volume up or down key and select "All" (on Android
5.X) or modify it in Settings\Sound & notifications\Interruptions
(for Android 5.X) or Do not disturb ( for Android 6.X).
My phone asks me to enter some password/code/key that I don't
remember or don't know due to this phone was used by another
person before and I can't get this password/code/key from him/her�
• Password/code/key request could be caused by the security feature
activated on this device. You can try to perform Factory data reset,
but remember that if it doesn't help, you need to apply authorised
repair center and it will not be regarded as warranty case.
(1) Applicable for Android OS versions starting from 5.1.