Huawei Mate 20 - User Manual

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Summary

Mobile Connection Troubleshooting

SIM Card and Network Diagnosis

Verify SIM card compatibility and check for carrier-related network issues.

Network Settings Reset

Guide to resetting APN and general network settings to resolve connectivity problems.

Escalation to Service Center

Instructions for seeking professional help if connection issues persist.

Connecting to Wi-Fi

Manual Wi-Fi Network Connection

Steps to enable Wi-Fi, select a network, and enter password for connection.

Adding a New Wi-Fi Network

Procedure to add a network hotspot by entering its name and password.

Connecting via Mobile Data

Enabling Mobile Data

Instructions to enable mobile data through the notification panel.

Mobile Data Usage Advice

Ensure a data plan and disable data when not in use to save power and reduce usage.

Summary

Mobile Connection Troubleshooting

SIM Card and Network Diagnosis

Verify SIM card compatibility and check for carrier-related network issues.

Network Settings Reset

Guide to resetting APN and general network settings to resolve connectivity problems.

Escalation to Service Center

Instructions for seeking professional help if connection issues persist.

Connecting to Wi-Fi

Manual Wi-Fi Network Connection

Steps to enable Wi-Fi, select a network, and enter password for connection.

Adding a New Wi-Fi Network

Procedure to add a network hotspot by entering its name and password.

Connecting via Mobile Data

Enabling Mobile Data

Instructions to enable mobile data through the notification panel.

Mobile Data Usage Advice

Ensure a data plan and disable data when not in use to save power and reduce usage.

This device manual provides comprehensive guidance on managing mobile network connectivity and Wi-Fi usage, addressing common issues and offering practical solutions. The primary function of the device, as highlighted in the manual, is to facilitate seamless communication and internet access through both mobile data and Wi-Fi networks.

Function Description

The device is designed to connect to mobile networks for calling and internet access, supporting 2G, 3G, and 4G connectivity. It also features robust Wi-Fi capabilities, allowing users to connect to local wireless networks for internet access, thereby conserving mobile data. The manual emphasizes the device's ability to manage network settings, troubleshoot connectivity problems, and ensure a stable internet experience.

Usage Features

The manual outlines several key usage features related to network management:

Mobile Network Connectivity: The device supports various mobile network standards (2G, 3G, 4G) for calls and data. Users can enable or disable mobile data as needed, which is crucial for managing data consumption and battery life. The device allows for the configuration of Access Point Names (APN) to ensure proper mobile data functionality.
Wi-Fi Connectivity: The device offers easy access to Wi-Fi networks. Users can view available networks, connect to them by entering passwords for encrypted networks, and even manually add hidden networks by specifying their names and security protocols. This feature is essential for leveraging high-speed internet in various locations and reducing reliance on mobile data.
Notification Panel Access: A central usage feature is the ability to quickly access network settings via the notification panel. Swiping down from the status bar provides shortcuts to enable/disable mobile data and access detailed Wi-Fi settings, streamlining the user experience.
Settings Menu Navigation: The manual details how to navigate through the device's settings menu to manage wireless and network options, including Wi-Fi and mobile data settings. This structured approach ensures users can locate and adjust relevant configurations effectively.
Data Saving: The device encourages users to utilize Wi-Fi networks to save mobile data, a practical feature for those with limited data plans. It also advises disabling mobile data when not in use to conserve battery power.
Security Awareness: The manual includes a crucial usage feature related to security: it warns users about potential risks when connecting to public Wi-Fi networks, advising caution to protect personal and financial information. This highlights the device's commitment to user security and privacy.

Maintenance Features

The device manual provides several maintenance features aimed at resolving common connectivity issues and ensuring optimal performance:

SIM Card Verification: A primary maintenance step involves verifying the SIM card's functionality. Users are advised to confirm with their carrier that the SIM card supports 2G and 3G calling. If the SIM card lacks these capabilities, the device might frequently search for these networks, leading to 4G disconnections. The recommendation is to use a "regular SIM card that supports calling functions."
Network Stability Check: For issues where the SIM card supports 2G/3G calling, the manual suggests checking if other devices with SIM cards from the same carrier experience similar problems. This helps diagnose whether the issue is device-specific or related to the network's overall stability. Users are advised to try the device in areas with stronger network signals.
APN Reset: A key maintenance feature is the ability to reset the Access Point Name (APN) settings to default. This can resolve mobile data connectivity issues. The steps involve navigating through the notification panel to "Mobile data settings," then "Access Point Names," and finally selecting "Reset to default" from the three-dot menu.
Network Settings Reset: If problems persist, the manual recommends a more comprehensive maintenance step: resetting all network settings. This action, performed by searching for "Reset network settings" in the device's settings, will delete all Wi-Fi and Bluetooth connection records but can often resolve stubborn connectivity issues.
Professional Support: For persistent issues that cannot be resolved through the outlined steps, the manual directs users to seek professional assistance. It advises backing up data and taking the device, along with proof of purchase, to an authorized Huawei Customer Service Center. This ensures that complex hardware or software problems can be addressed by experts.
Data Backup Recommendation: Before undertaking significant troubleshooting steps like resetting network settings or seeking professional repair, the manual explicitly recommends backing up data. This is a crucial maintenance practice to prevent data loss during troubleshooting or repair processes.

In summary, the device is designed for reliable mobile and Wi-Fi connectivity, offering intuitive usage features for network management and robust maintenance features to troubleshoot and resolve common issues, all while prioritizing user security and data integrity.

Huawei Mate 20 Specifications

General

Screen shape	Flat
Pixel density	381 ppi
Display diagonal	6.53 \
Touch technology	Multi-touch
Touchscreen type	Capacitive
Display resolution	2244 x 1020 pixels
Native aspect ratio	18.7:9
Display number of colors	16.78 million colors
FM radio	-
Audio formats supported	3GP, AAC, AMR, MIDI, MP3, MP4, OGG, WAV
Video formats supported	3GP, MP4
Processor family	Hi-Silicon
Coprocessor cores	4
Processor frequency	2.6 GHz
Coprocessor frequency	1.8 GHz
Processor lithography	7 nm
Processor architecture	ARM Cortex-A76
Themes	Wallpapers
Personalization	Icons, Menu, Shortcuts
Personal info management (PIM)	Alarm clock, Calculator, Calendar
Platform	Android
Google applications	Gmail, Google Chrome, YouTube
Operating system installed	Android 9.0
RAM capacity	- GB
Compatible memory cards	Nano Memory (NM)
Maximum memory card size	256 GB
Flash type	LED
Optical zoom	2 x
Rear camera type	Triple camera
Front camera type	Single camera
Video recording modes	720p, 1080p, 2160p
Rear camera aperture number	1.8
Front camera aperture number	2
Rear camera resolution (numeric)	12 MP
Front camera resolution (numeric)	24 MP
Third rear camera aperture number	2.4
Second rear camera aperture number	2.2
Third rear camera resolution (numeric)	8 MP
Second rear camera resolution (numeric)	16 MP
Talk time (2G)	38 h
Talk time (3G)	31 h
Battery capacity	4000 mAh
Standby time (2G)	629 h
Standby time (3G)	632 h
Standby time (4G)	560 h
4G standard	LTE
2G standards	GSM
3G standards	TD-SCDMA, WCDMA
SIM card type	NanoSIM
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	5.0
Bluetooth profiles	APT-X
SIM card capability	Dual SIM
2G bands (primary SIM)	850, 900, 1800, 1900 MHz
Mobile network generation	4G
Cables included	USB Type-C
Form factor	Bar
Product color	Black
Specific absorption rate (SAR) value (EU)	0.44 W/kg
Multimedia Messaging Service (MMS)	Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network
Subscription type	No subscription
USB version	3.2 Gen 1 (3.1 Gen 1)