5.13 Why can't I answer or reject phone calls? ............................................................................................................... 109
5.14 When I import contacts, why does the number of contacts decrease? .................................................................... 109
5.15 Why are some calls merged and some calls recorded on separate lines in the call log after merging two instances of
the same contact? ............................................................................................................................................................ 109
5.16 What do I do if my contacts are displayed improperly after synchronizing contacts with What's App? ................ 109
5.17 Why doesn't my call log merge? ............................................................................................................................. 109
5.18 Why doesn't my phone display the contact photo for incoming calls even after I have set the contact photo? ...... 110
5.19 Why do I hear echoes during phone calls?.............................................................................................................. 110
5.20 Why does the phone ringtone volume automatically decrease? .............................................................................. 110
5.21 Why are calls choppy or why can't a party or both parties hear the voice during phone calls? .............................. 110
5.22 What can I do if my phone's music playback volume in speaker mode is small? ................................................... 111
5.23 What can I do if the playback volume of call records is small? .............................................................................. 111
5.24 What can I do if the call recipient can't hear me clearly or can't hear me at all? .................................................... 111
5.25 What can I do if the receiver's volume is small? ..................................................................................................... 111
5.26 Why is there noise when I am playing songs in speaker mode? ............................................................................. 111
5.27 Why do I hear noise in the downlink during a phone call in the handsfree mode? ................................................. 112
5.28 Why is my phone powered off when I press the power button? ............................................................................. 112
5.29 Why can't I create a contact photo? ........................................................................................................................ 112
5.30 How many contacts can the phone save? ................................................................................................................ 112
5.31 Why can't I make a call when my phone shows I have 4G signal? ......................................................................... 112
5.32 Where are the call recordings saved? ...................................................................................................................... 113
5.33 How do I switch between calls or merge two calls to have a conference call? ....................................................... 113
5.34 What will my phone display when one card is being used for a call and the other receives a call? ....................... 113
5.35 How do I view call logs? ........................................................................................................................................ 113
5.36 Why doesn't a contact appear in my phonebook after successfully adding the contact using the dialer? ............... 114
5.37 Why does my phone suddenly dial a number? ........................................................................................................ 114
5.38 How can I set the quick calling function? ............................................................................................................... 114
5.39 When my dual-card phone displays emergency calls, why can I make calls? ........................................................ 114
5.40 Why is the incoming number displayed as unknown? ............................................................................................ 114
5.41 How can I record a phone call?............................................................................................................................... 115
5.42 Why is the screen still off after I move my phone away from my ear?................................................................... 115
5.43 How do I delete call records? ................................................................................................................................. 115
5.44 Why does the call ringtone automatically revert to the default ringtone? ............................................................... 115
5.45 How can I delete the pre-installed ringtone? .......................................................................................................... 116
5.46 How do I export contacts to another phone using a SIM card? .............................................................................. 116
5.47 How do I export contacts to another phone using a storage device? ...................................................................... 116
5.48 How do I assign a unique ringtone for a contact or contact group? ........................................................................ 117
5.49 How do I assign a photo to a contact? .................................................................................................................... 117
5.50 How do I display the contacts in the SIM card? ..................................................................................................... 117
5.51 How can I cancel the keypad touch sound? ............................................................................................................ 117
5.52 How can I query the missed calls? .......................................................................................................................... 117
5.53 How can I add multiple numbers to a contact? ....................................................................................................... 117
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