Huawei P8 GRA-UL00 User Manual

P8 Smartphone FAQs
18 Backup, restoration, and update
Issue 01 (2015/03)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
87
d. Your phone will automatically complete the update process, which takes about 5 minutes. If
the update fails, start over.
18.2 Why does the online update fail?
1. Check whether your phone has been rooted and the pre-installed applications have been
removed or the system files have been modified. If so, perform the update using a microSD
card.
2. Check whether your phone's internal storage space or the microSD card's storage space is
insufficient. If so, free up the storage space and try again.
3. Check whether a microSD card is installed to your phone. If so, the microSD card may not
be compatible with your phone. Uninstall the microSD card and try again.
4. Check whether your phone's battery level is at least 20%. If not, charge your phone.
18.3 The update package is available on the entire
network. Why can't my phone detect the update package?
1. Check whether your phone has been rooted and the system files have been deleted.
2. If the system files have not been modified, touch Settings > Manage apps > All > Update >
Clear data. Switch to the mobile network or another Wi-Fi network and search for the update
package.
18.4 What can I do if my phone fails to download the
available update package?
1. Check whether your mobile or Wi-Fi network is disabled. If so, the download will not be
able to start.
2. Check whether airplane mode is enabled.
3. Check whether you have touched the pause button.
18.5 What can I do if the system update notification is still
available after my phone has just been updated?
Make sure you phone is connected to a mobile or Wi-Fi network after the update.

Huawei P8 GRA-UL00 Specifications

General

Brand	Huawei
Model	P8 GRA-UL00
Category	Cell Phone
Language	English

Summary

Wi-Fi and Bluetooth Connectivity

Troubleshooting Bluetooth Connections

Resolving issues with Bluetooth headset, car kit, or speaker search and connection.

Wi-Fi Internet Access

Troubleshooting internet access when connected to Wi-Fi over a router.

Wi-Fi Network Connection

Steps to connect your phone to a Wi-Fi network through a router.

Smart Cover and Leather Case Usage

Smart Cover Mode Activation

Understanding when the phone enters smart cover mode automatically.

Operating Phone with Leather Case

Troubleshooting operating the phone with a leather case and plastic sheet.

Camera, Music, and Video Operations

Viewing Photos After Camera Use

Troubleshooting photo viewing issues after using camera shortcuts.

Enabling the Snapshot Function

Enabling and using the snapshot function via volume buttons.

Phone Overheating During Media Use

Addressing phone overheating when taking photos or shooting videos.

Calls and Contacts Management

Bluetooth Headset Call Activation

Activating calls via Bluetooth headset with screen off.

4G Network Disconnection During Calls

Resolving phone disconnection from 4G during voice calls.

Making Calls on 4G Signals

Troubleshooting inability to make calls when receiving 4G signals.

Storage and File Management

Internet Access via USB Cable

Troubleshooting Internet access when connected to a computer via USB.

Opening Apps with Full Storage Card

Resolving issues with opening apps when the storage card is full.

Location Service and Navigation

GPS Positioning Failures

Enabling and troubleshooting GPS positioning function.

GPS Satellite Search Issues

Troubleshooting why the GPS cannot search for a satellite.

SIM Card and Appearance Issues

SIM Card Detection Problems

Troubleshooting why the phone cannot detect the SIM card.

Smooth SIM Card Insertion

Ensuring smooth insertion of the SIM card into the phone.

Messaging and Email Setup

Exchange Email Login Issues

Troubleshooting login issues with company email via Exchange.

Sending and Receiving Messages

Resolving problems with sending or receiving messages.

Network Access and Data Sharing

No Signal Displayed

Troubleshooting issues with no signal displayed in the signal bar.

Internet and Data Service Access

Troubleshooting phone inability to access Internet or use data services.

Wi-Fi Hotspot Setup

Sharing network and enabling a Wi-Fi hotspot.

Screen and Display Settings

Erratic Screen Behavior

Troubleshooting steps for an erratic phone screen.

Touchscreen Unresponsiveness

Resolving touchscreen unresponsiveness when sliding to unlock.

System Settings and Customization

Changing System Language

Steps to change the system language on the phone.

Lock Screen Unlock Issues

Troubleshooting unlocking screen via flicking upwards or downwards.

System Software Performance

Phone Startup and Responsiveness Issues

Troubleshooting phone startup, restart, or power button issues.

Slow Performance at Low Battery

Addressing slow phone performance when the battery level is low.

Battery, Charging, and Power Management

Phone Heat Generation During Use

Understanding why the phone generates heat during normal usage.

Managing Excessive Phone Heat

Steps to take if the phone generates excessive heat.

Slow Phone Charging

Troubleshooting why it takes a long time to charge the phone.

Application Management

App Installation Failures

Resolving system prompts for installation failure when downloading apps.

Opening Pre-installed Apps

Troubleshooting inability to open pre-installed apps like call and messaging.

NFC and Payment Features

Using NFC for File Transfers

Steps for using NFC to transfer files between phones.

NFC Payment Issues

Troubleshooting NFC payment insensitivity or failure.

Backup, Restoration, and Updates

Phone Powers Off After Rooting

Addressing phone powering off or failing to power on after rooting.

Online Update Failures

Troubleshooting why the online update process fails.

Fingerprint Identification

Fingerprint Support

Checking if the phone supports fingerprint identification.

Dual Systems Functionality

Dual System Support

Determining if the phone supports dual systems.

Other Phone Topics

Finding FAQ Solutions

Guidance on finding solutions if an issue is not covered in FAQs.

Checking Phone Root Status

Methods to determine if the phone has been rooted.

Water Damage Handling

Steps to take if water enters the phone.

Product Specifications

microSD Card Compatibility

A list of compatible microSD cards and their specifications.