Huawei P8 - Calls and contacts; Making a call

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1.15 Why does the download task over a Wi-Fi network

stop after the screen turns off?

Measures are taken to save power of the phone, so that the download task is stopped when the

screen turns off. To continue the download task, perform the following steps:

1. Go to Settings > Wireless & networks > Wi-Fi. Then touch Advanced settings.

2. Touch Keep Wi-Fi on during sleep.

Main Page

Wi-Fi and Bluetooth29
Why Can't I Listen to Music Using the Bluetooth Headset30
Why Can't I Hear the Navigation Sound Using the Bluetooth Car Kit31
Why Is the Connection to the Wi-Fi Network Interrupted32
Why Does the Download Task over a Wi-Fi Network Stop after the Screen Turns off33
Why Can't My Phone Obtain an IP Address35
Why Doesn't the Bluetooth Headset Have any Sound36
Why Does the Wi-Fi Switch Become Unavailable37
Why Can't My Phone Successfully Connect to the Hotspot Due to Authentication Failure38
Why Does My Phone Fail to Access the Internet after It Is Connected to the Public Wi-Fi Network39
Why Does My Phone Keep Disconnecting and then Reconnecting to a Wi-Fi Network40
What Files Can be Transmitted Using Bluetooth41
Does My Phone Support Bluetooth Aptx42
Why Can't the Bluetooth Headset Display Its Battery Level43
When Wi-Fi+ Is Enabled, Why Doesn't My Phone Switch to a Mobile Data Connection When the Wi-Fi Signal Strength Is Weak44
How Can I Set up a Connection between My Phone and B245
The Wrist Band Is Connected to Two Phones46
Why Do the B2 and My Phone Occasionally Keep Automatically Disconnecting from each Other47
Why Does the B2 Smart Unlock Function Sometimes Fail to Work Properly48
Why Can't I Hear the Voice Messages in Wechat When My B2 Is Connected to My Phone49
When I Flick down from the Status Bar and Touch the Wi-Fi Icon, Why Is Wi-Fi Enabled Slowly50
Skytone51
Smart Cover52
Why Can't I Operate My Phone on the Transparent Plastic Sheet after My Phone Is Attached with a Leather Case53
Camera, Music, and Video54
Why Can't the Headset Provided with Iphone Work Properly for My Phone55
Why Is Music Automatically Opened after I Inserted a Headset to My Phone56
Why Is the Sound Not Stable When I Play Songs in Speaker Mode at a Small Volume (Two to Three Bars)57
Why Is There Light Leakage Around the Battery Cover after I Turn on Flash58
Why Does It Take Longer to Focus When I Take Photos at a Short Distance from the Object than When I Take Photos at a Long Distance from the Object59
Can I Modify Watermark Images60
Why Is the Image on the Viewfinder Blurred until 2 to 3 Seconds after I Open the Camera61
Why Do the Photos I Take with Flash on Have Red Eyes or Bright Spots62
Why Do the Photos I Take with Flash on Have Color Cast63
Why Does the Video Recording Suddenly Stop64
Why Are the Photos Blurred65
Why Do some Areas of the Photo in Preview Mode Seem Red66
Why Does the Viewfinder Have Shadows or Seem Red When I am Taking Photos with Flash Turned on67
How Do I Edit Photos or Videos? Can I Add a Frame to a Photo68
Why Does My Gallery Display Only the Photos I Have Taken69
Why Can't Audio Control of My Camera Function Properly70
Why Are There no Sounds When I Play Videos in MKV Format72
How Do I Display Lyrics in Sync with the Songs I Play73
What Can I Do if the Photos I Take Are Blurred and Dark74
What Can I Do if the Sound Quality of the Songs I Play in Speaker Mode Is Bad75
How Do I Set the Radio to Turn off at a Scheduled Time76
Why Can't I Shoot Panoramic Photos77
How Do I Turn on Flash When Shooting Photos78
How Do I Find the Photos and Videos on the Microsd Card after They Are Lost79
Why Are the Photos I Take Using Light Painting in Hand Held Mode Are Blurred80
How Do I Take Good Photos Using Tail Light Trails Mode of Light Painting81
How Do I Use Director Mode82
What Can I Do if the Screen Freezes When I am Using Director Mode84
What Can I Do if the Guest Phone Can't Connect to the Host Phone86
Can I Use Director Mode to Shoot Videos When My Phone's Battery Level Is Low87
Is the Sound Recorded by the Guest Phone or Host Phone When the Screen of the Guest Phone Is Displayed on the Host Phone88
Why Is the Photo Taken Using Perfect Selfie Reverse Compared to the Preview89
Why Is the Viewfinder Blurred When I am Shooting a Moving Object90
Can I Edit the Watermarks in Watermark Mode91
What Are the Differences between the Video Shooting in Director Mode and that in Normal Mode92
Why Is Music Played by Two Music Apps at the same Time after I Pressed the Headset Button93
How Do I Adjust the Speed for Time-Lapse Mode94
Can I Customize the Shooting Words for Audio Control95
Why Can't Object Recognition Work Properly96
What Can I Do if Albums Can't be Displayed in Coordinate Format97
How Do I Recover the Hidden Applications99
Does My Phone Support Smart Headset Control101
Can I Use the Active Noise Reduction Headset for My Phone102
Can I Take Macro Photos with the Camera? Does the Camera Support Automatic and Manual Focus103
Why Can Videos Captured in Director Mode Only be Stored in the Phone's Internal Storage104
How Do I Know if the Noise-Reduction Headset Has Charging Problems105
Calls and Contacts106
Why Can't I Make a Call or Why Do Calls Disconnect Even Though I Have Good Signal Reception107
What Do I Do if I Hear Static or Sounds Like "Zzzzz" from Electrical Interference When I Make Calls108
When Receiving a Call, Why Does Pressing the Power Button Stop the Incoming Call from Ringing109
Why Doesn't My Phone Display the Contact Photo for Incoming Calls Even after I Have Set the Contact Photo110
What Can I Do if My Phone's Music Playback Volume in Speaker Mode Is Small111
Why Do I Hear Noise in the Downlink During a Phone Call in the Handsfree Mode112
Where Are the Call Recordings Saved113
Why Doesn't a Contact Appear in My Phonebook after Successfully Adding the Contact Using the Dialer114
How Can I Record a Phone Call115
How Can I Delete the Pre-Installed Ringtone116
How Do I Assign a Unique Ringtone for a Contact or Contact Group117
How Can I Set the Contact Storage Location118
How Can I Forward the Unanswered Calls to Another Phone Number119
How Do I Delete Intercepted Call and SMS Logs120
Why Do Contacts from IM Apps such as Wechat Appear as Separate Contacts121
Why Are the Imported Contacts Garbled122
Storage and File Management123
When Starting a USB Flash Disk Update, Why Are some Files Copied at the Beginning of the Update Process124
What Do I Do if no Notification Pops up on My Phone after Connecting It to a Computer125
How Do I Format the Internal Storage126
How Can I Check My Phone's Information127
Why Won't My Car Play Music or Videos When I Connect My Phone to a Car with a USB Cable128
In Manage Files Mode, Why Are the Files Displayed on the Computer Different to those Displayed on the Phone129
Smart Infrared130
Location Service and Navigation131
Why Can't the Installed Third-Party Positioning Application Locate Correctly132
What Can I Do if the GPS Positioning Is Inaccurate133
How Can I Use the GPS with an Offline Map134
What Is GPS135
What Is the Working Principle of GPS136
SIM Card and Appearance137
Why Doesn't the SIM Card Slot Have Springs138
Why Does the Plastics Around the Touchscreen Easily Get Dirty139
Why Does My Phone's Charging Port Seem Black and Used140
Can I Insert an Iphone 5/5S Nano-SIM Card to My Phone141
Why Does the Camera Decoration Rub against My Hand142
Can I Insert a Micro-SIM Card to My Phone143
Why Is the Square Frame Surrounding the Rear Camera Slightly Askew144
Messaging and Email145
Why Doesn't the Multimedia Message Read Report Take Effect146
What Can I Do if I Can't Connect to the Server When Refreshing My Emails147
Why Is the Image Attached to the Multimedia Message I Sent to Another Phone Unclear148
Why Is the Messaging App Displayed as Stopped or Not the Default Messaging App150
How Do I Forward a Message, Send a Message to Multiple Recipients, and Save a Message as a Draft? What Is the Maximum Number of Messages that I Can Send to Multiple Recipients151
Is There any Restriction on the Size, Format, or Resolution of the File to be Attached to a Multimedia Message152
Can I View Emails When no Internet Connection Is Available on My Phone153
How Can I Set a Different Ringtone for the Messages154
How Do I Preview New Messages on the Notification Panel155
How Can I Add a Message Signature156
How Do I Hide the Sender Information When Forwarding a Message157
How Do I Remove an Email Account158
Can I Change the Message Ringtone159
What Can I Do if I Can't Send or Receive Multimedia Messages161
Networking and Data Sharing162
Why Can't I Use Mobile Data Services When Roaming163
Why Can't I Access the Internet or Use Mobile Data Services164
Why Is the Signal Unstable165
How Do I Set a Static IP Address for My Phone to Connect to a Wi-Fi Network166
Why Can't I Access LTE Services When Using an LTE Phone167
Why Can't I Connect My Phone to an OTG Cable168
How Can I Tell Whether the Phone Is Connected to the Internet Using Mobile Data or Wi-Fi Network169
Why Is the Data Connection on One of the SIM Cards very Slow170
How Do I Transfer Files Using OTG171
How Do I Disable the 4G Network Connection172
Why Is My Phone Displaying the 3G Icon When I am Using a 4G SIM Card173
Why Can I Use Only the 2G Network174
Screen and Display176
Why Does My Phone Automatically Open Applications or Display Screens When I am Using the Phone While It Is Charging177
Why Do Ripples Appear on My Screen When I Press It Hard178
Why Is There Backlight Leakage on My Phone's Screen When It Is Turned off179
Why Are There Black Bands at the Top and Bottom of the Screen180
Why Does the Touchscreen Sometimes Fail to Respond181
What Can I Do if I Forget the Screen Unlock Pattern or Password182
How Do I Remove the Camera Shortcut Button in the Lower Right Corner of the Lock Screen184
How Do I Set the Time for My Screen to Automatically Go to Sleep185
How Do I Disable Auto-Rotate186
Cam I Operate My Phone When My Hands Are Wet187
When Does My Phone Display the Interactive Screensaver188
How Do I Re-Enable Magazine Unlock189
System Settings190
What Input Methods Does My Phone Come with191
How Do I Exit Developer Options192
What Can I Do if My Phone Automatically Sends Messages in the Background to Query the Data Usage193
Re-Arrange Them194
Why Is the Screen Brightness a Little Darker When I Browse a Web Page195
How Do I Set a Screen Unlock Pattern196
How Do I Set the Weather App197
How Do I Adjust the Screen Brightness198
How Does the Indicator Work199
How Can I Schedule My Phone's Power-On and Power-Off Time200
How Do I Enter Developer Options201
How Do I Display the Birthday in the Calendar202
Why Can't I Use Gloves Mode203
How Do I Keep My Phone in Its Best State204
How Do I Enable the Suspend Buttons205
Can the App Icons on the Home Screen Automatically Align with each Other206
Why Can't the Home Screen Circularly Slided207
Why Is the Circular Sliding Function Unavailable208
Why Is the Screen Zoomed out and Isn't the Content Displayed in Full Screen209
Why Does My Phone Often Display Touch-Disable211
Why Is the Notification Panel Background Blurred after I Flick down the Status Bar212
How Do I Select Multiple Images to Delete in Files213
How Do I Set My Phone to Automatically Answer Calls When I Place It Near My Ear214
Why Are the Suspend Buttons Disordered after I Restart My Phone215
Does My Phone Support Multi-Screen216
Does My Phone Support Driving Mode217
When in a Call, Can I Use Touchplus for Call Recording218
Why Are the Touchplus Shortcuts on My Phone Not Responsive219
System Applications221
Why Does the Game App Run Slowly222
Why Is the App Loaded Slowly223
Why Is There a Blinking Red Frame on My Screen224
Why Does My Phone Often Automatically Switch over One-Hand UI Mode225
Battery, Charging, and Power Consumption226
What Can I Do if My Phone's Standby Time Is Short227
What Can I Do if My Phone Can't Properly Display the Battery Level228
How Do I Check the Battery Status229
Why Can't I Charge My Phone after I Connect It to a Computer230
Why Does My Phone Generate Excessive Heat Even When I am Not Using It232
Why Does It Take a Long Time to Charge My Phone When It Heats up233
Manage Apps234
Why Can't I Install some Apps and Why Does My Phone Prompt "Repeated Permissions235
Why Can't some Apps Properly Work after I Recover My Phone Using the Backup Data236
Why Isn't the Camera Icon Displayed on the Home Screen237
Why Can't I Receive Messages238
Why Can I Read the Multimedia Messages Only in Slide Mode239
What Can I Do if My Phone Can't Install an Application240
Why Are some Apps Closed after the Screen Goes to Sleep241
How Do I Clean the App Cache242
NFC and Payment243
Why Does the POS Machine Prompt for Payment Failure Although the Payment Has Been Successfully Made244
How Do I Switch over the Cards if I Have Activated Multiple Bank Cards245
Backup, Restoration, and Update246
Why Does My Phone Display the Parsing or Installation Package Verification Failure Message after the Update Package Installation Fails247
How Do I Back up Contacts to a Microsd Card248
Others249
Can I Browse or Edit Word, Excel, Powerpoint, and PDF Files on My Phone250
Why Do I Feel Electric Leakage or Shock When I Use the Headset251
What Do the Different Indicator Colors Mean252
What Can I Do if Water Entered My Phone253
Why Is Not the Magazine Unlock Wallpaper Updated254
How Do I Adjust the Font Size of Notes255
How Does My Phone Display the Number of Weeks on the Calendar256
What Are Differences between Screenshot Using Knuckles or Composite Buttons257
Does Smart Screenshot Affect the Standby Time of the Phone258
Why Is There a Light Blue Screenshot Track When I Perform Operations on the Screen259
What Are Differences between Standard Wakeup Keywords and Customized Wakeup Keywords260
Why Does My Phone Require Me to Register before Using the Speech Awareness Function261
What Should I Pay Attention to When I Practice the Wakeup Keywords262
Does My Phone Support Smart Screen Split263

Huawei P8 - Calls and contacts; Making a call

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