Sony Xperia M4 Aqua
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Sony Xperia M4 Aqua

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Basic use - Sony Xperia M4 Aqua

Troubleshooting

My phone doesn't play a message tone when I receive a messageThe touch screen on my phone isn't respondingMy phone is running slowlyMy phone's battery life is short

Sound settings

Select ring toneSelect message toneTurn silent mode on or offTurn vibration on or offSelect ring volume

Display settings

Select languageSet date and timePersonalise your phone displaySet display brightness

Security codes

Turn use of PIN on or offChange PINTurn use of phone lock code on or offChange phone lock code

Software update

View software versionBack up phone memoryUpdate phone softwareRestore factory default settings

SIM lock

View SIM lock status

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