Huawei U86551 User Manual

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12.6.2  Protecting Your Mobile Phone with a Screen 
Lock
To keep your data more secure, lock the screen and/or require a screen 
unlock pattern every time your mobile phone is turned on or wakes up from 
sleep mode.
1. On the 
Settings screen, touch Location & security > Set up screen 
lock > Pattern.
2. Flick your finger vertically, horizontally or diagonally, connect at least four 
dots in any order you choose. Lift your finger from the screen when you 
are finished.
You must drag your finger...

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12.6.4  Unlocking Your Mobile Phone If You Forget the 
Screen Lock Pattern
If you have already created a Google account, you can unlock your mobile 
phone using the following methods.
•  After you have entered the wrong sequence five times, a 
Forgot 
pattern? button will appear. Touch this button to enter the Google 
account interface. After you have entered your Google account 
password, you will be able to reset the unlock pattern.
•  After you have entered the wrong pattern twenty times, you will...

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12.7.3  Moving an Application to the microSD Card
Some applications are designed to be stored on your phone’s USB storage 
or microSD card (depending on the model of your phone), rather than in its 
internal storage. Others are designed so you can change where they are 
stored. You may find it helpful to move large applications off your internal 
storage, to make more room for other applications that do not offer the 
option.
1. On the 
Settings screen, touch Applications > Manage applications.
2....

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12.8.2  Restoring Factory Data
If you reset your phone to the settings that were configured at the factory, all 
of your personal data stored on the phone, including information about your 
Google Account, any other accounts, your system and application settings, 
and any applications you have downloaded will be erased. Resetting the 
phone does not erase any system software updates you have downloaded 
or any files on your microSD card, such as music clips or photos.
1. On the 
Settings screen, touch...

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13  Appendix
13.1  FAQs
How Can I Use a microSD Card to Import Contacts to My Phone from 
a Different Mobile Phone?
Your mobile phone only supports contact files in the .vcf format.
1. Save the contacts you want to import to your mobile phone to a microSD 
card as a 
.vcf file.
2. Insert the microSD card into your mobile phone and find the .vcf file 
using File Manager.
3. Touch the .vcf file. The phone displays a message asking whether you 
want to import the contacts.
4. Touch 
OK to import the...

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How Can I Change the Input Method?Touch and hold the area where you write text and then select the input 
method you prefer.
How Do I Stop the Song Playing in the Background?Touch the notification bar, flick downwards to open the notifications panel, 
touch the music playing notification to go to the music playing screen, and 
then stop playing the song.
How Do I Return to the Call Screen?While in a call, if you’re on another screen, you can touch the notification 
bar, and flick downwards to open the...

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14  Warnings and Precautions
This section contains important information pertaining to the operating 
instructions of your device. It also contains information about how to use the 
device safely. Read this information carefully before using your device.
Electronic DevicePower off your device if using the device is prohibited. Do not use the device 
when using the device causes danger or interference with electronic 
devices.
Medical Device
•   Follow rules and regulations set forth by hospitals and...

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Traffic SecurityObserve local laws and regulations while using the device. In addition, if 
using the device while driving a vehicle, comply with the following 
guidelines:
•   Concentrate on driving. Your first responsibility is to drive safely.
•   Do not talk on the device while driving. Use hands-free accessories.
•   When you have to make or answer a call, park the vehicle at the road side 
before using your device.
•   RF signals may affect electronic systems of motor vehicles. For more...

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•   Keep the ambient temperature between -10°C and 45°C while the device 
is being charged. Keep the ambient temperature between -10°C to 55°C 
for using the device powered by a battery.
Prevention of Hearing DamageUsing a headset at high volume can damage your hearing. To reduce the 
risk of damage to hearing, lower the headset volume to a safe and 
comfortable level.
Safety of ChildrenComply with all precautions with regard to childrens safety. Letting the child 
play with your device or its...

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into your eyes, wash your eyes with clean water immediately and consult 
a doctor.
•   If there is a case of battery deformation, color change, or abnormal 
heating while you charge or store the battery, remove the battery 
immediately and stop using it. Otherwise, it may lead to battery leakage, 
overheating, explosion, or fire.
•   If the power cable is damaged (for example, the cord is exposed or 
broken), or the plug loosens, stop using the cable at once. Otherwise, it 
may lead to an electric...