Hello! Welcome to HYDROGEN One. In this manual, you will learn about HYDROGEN One’s basic
operation and features.
Before reading the contents of this manual, please note:
The functions described in this manual are those featured on your phone as it is now.
If the descriptions do not match your phone’s actual functions due to software or hardware
changes, then please use the functions as they actually are on your phone.
Getting Started
Initial setup
Please read the quick start guide inside the box before using your phone.
When you first turn on the device, follow the instructions on the screen to choose your language,
connect to a network, migrate data, log in to a Google account, record a fingerprint, set
a password, and personalize the device.
Setting a SIM card
Enabling or disabling a SIM card
If you want to stop one of your SIM cards from being used to make calls, send messages,
or access the Internet, you have the option to disable that SIM card.
1. From the home screen, swipe up to access app list.
2. Tap
3. Tap Network & Internet > SIM cards.
4. Click the switches besides the two SIM cards to enable or disable each SIM card.
5. Confirm your choice when prompted.
When re-enabling a previously disabled SIM card, the phone will restore the previous
SIM card settings, including your mobile data preferences.
Renaming a SIM Card
By default, each SIM card is named after the carrier, but you can rename your SIM card to make it
easier to remember.
1. From the home screen, swipe up to access app list.
2. Tap
3. Tap the SIM card name, and enter a new name.
4. Tap OK.
Settings.
Settings > Network & Internet > SIM cards.
Setting the preferred card for mobile data
Select which SIM card is preferred for mobile data. Once set, the phone will connect to the mobile
network using this card. No mobile data will be consumed via the other SIM card.
1. From the home screen, swipe up to access app list.
2. Tap
3. Tap Cellular data, and select an SIM card as the preferred card.
Settings > Network & Internet > SIM cards.
Setting a preferred card for phone calls
Select which SIM card is preferred for phone calls. All phone calls will be made using this SIM card.
1. From the home screen, swipe up to access app list.
2. Tap
3. Tap Calls, and select your preferred SIM card for phone calls or select Ask every time.
If you don’t set a preferred card for calls, you will have to select a SIM card each time you make
a phone call.
Settings > Network & Internet > SIM cards.
Setting a preferred card for messages
Select which SIM card is preferred for messages. All text messages will be sent using this card.
1. From the home screen, swipe up to access app list.
2. Tap
3. Tap SMS messages, and select your preferred SIM card for messages or select Ask every time.
If you don’t set a preferred card for phone-calls, you will have to select a SIM card each time
you send a message.
Settings > Network & Internet > SIM cards.
Locking and unlocking the screen
By default, your phone’s screen will automatically lock after a period of time. You can set the screen
lock time and method.
Setting the lock screen method
1. From the home screen, swipe up to access app list.
2. Tap
You can choose one of the following lock screen methods.
• None: Do not lock the screen.
• Swipe: Swipe up on the screen to unlock your device.
• Pattern: Draw a pattern on the screen to unlock your device.
• PIN: Set a PIN code for unlocking the screen.
• Password: Enter a password to unlock the device.
Settings > Security & location > Screen lock.
To remove the screen unlock password, select None and follow the onscreen instructions.
Unlocking the screen
1. Press Power/Lock button to turn on the screen.
2. Swipe the screen up to unlock it.
• When pattern, PIN, or password unlock has been set up, you need to draw the pattern,
enter the PIN or a password to unlock the screen.
• Please enter the password to unlock the screen from time to time to prevent it being
forgotten after using the iris and fingerprint options for a long period.
Screen and Display
The home screen
The home screen interface
Status bar
Screen gestures
Tap
Double tap
Tap and hold
Swipe
Drag
Spread fingers
apart
Pinch fingers
together
Tap an item on the screen once. For example, tap to select an option or open
an app on the home screen.
Tap the target on the screen twice in quick succession. For example, double tap
an image in full screen mode to zoom in or out.
Tap and hold a target until the phone vibrates, then proceed to the next step. For
example, tap and hold an app in the home screen to allow you to move the app icon.
Swipe your fingers on the screen. For example, swipe up or down your contact list
to scroll through it.
Tap and hold an icon until the phone vibrates, then move it to another position
on the screen. For example, drag an icon to change its position.
Spread two fingers apart on the screen. For example, spread two fingers apart to
zoom in on a picture.
Pinch two fingers together on the screen. For example, pinch two fingers together
to zoom out on a picture.
Favorite apps
Recent apps
Home
Back
Revealing hidden navigation icons
In some circumstances, such as when you are taking a photo or viewing an image, the device
automatically hides the navigation icons at the bottom of the screen. Swipe up from the bottom of the
screen to reveal the hidden navigation icons.
Customizing the home screen
Setting the wallpaper
1. From the home screen, swipe up to access app list.
2. Tap
3. Tap Display > Wallpaper.
4. Select a picture from the gallery or a pre-saved wallpaper, and then click Set wallpaper in the top of the screen. Follow the onscreen instructions to set the picture as a
wallpaper for the home screen or the lock screen, or both.
Settings.
Setting the home screen switch effect
Your phone comes loaded with numerous special effects for switching between home screens.
1. Tap and hold an empty area on the home screen until the phone vibrates.
2. Tap Transitions.
3. Select a special effect for switching between home screens.
Adding widgets
Widgets cannot be added if there is not enough empty space on the home screen. Please first
ensure there’s enough empty space on the current home screen, or create a new home screen.
1. Tap and hold an empty area on the home screen until the phone vibrates.
2. Tap Widgets.
3. Select a widget and drag it to home screen.
Moving icons or widgets
Tap and hold an icon on the home screen until the phone vibrates, and then drag it to
a new position.
Resizing widgets
Only some widgets can be resized.
1. Tap and hold a widget until the phone vibrates.
2. Drag the dots appearing around the widget to adjust its size.
3. Tap any empty space on the screen to finish.
Deleting widgets
Tap and hold the widget until the phone vibrates, and then drag it onto REMOVE at the top
of the screen.
Adjusting the font size on the home screen
You can set a bigger font size for the home screen if you feel the text is too small.
1. From the home screen, swipe up to access app list.
2. Tap
Settings > Display > Advanced.
3. Tap Font size.
4. Follow the instructions and drag the slider to make the font size larger or smaller.
Creating a folder
On the home screen, drag an application icon onto another application icon to create a folder.
Renaming a folder
Tap a folder and then tap the folder’s name in the folder details interface to rename it.
Adding objects to a folder
Tap and hold an icon on the home screen until the phone vibrates, and then drag it onto
the desired folder icon.
Quickly browsing folders
If the home screen has multiple folders, you can quickly switch between folders by touching
different folder names at the top of the screen when viewing a folder’s details.
If the home screen has multiple folders, you can quickly switch between folders by swiping left
or right when viewing a folder’s details.
Taking screenshots
You can take a screenshot of the screen by pressing the Power/Lock button and the Volume Down
button simultaneously.
The screenshot will be saved to Internal storage/Pictures/Screenshots/.
Viewing recently opened apps
To view a list of recently opened apps, tap
Tap an app window to access it.
. Scroll up and down to view the apps.
Notifications
Opening the notification bar
1. Depending on the screen mode, you can:
• When the screen is unlocked: swipe down from the top of the screen to open
the notification bar.
• When the screen is locked: tap the Power/Lock button to turn on the screen, and swipe
down from the top of the screen to open the notification bar.
2. View or close notifications using the switches, or tap a notification to see more details.
A password is needed when the screen is locked.
You can set up how to display notifications when the screen is locked at Settings > Apps
& notifications > Notifications. For details, see Setting how notifications are displayed.
Viewing notifications
When the screen is locked, turn on the screen and all new notifications will be displayed on the
screen. When the screen is unlocked, swipe down from the top of the screen to open the
notification bar and view the list of notifications.
Setting how notifications are displayed
You can set up how to display notifications on your phone, adjust the level of detail, and change which
apps can send notifications.
1. From the home screen, swipe up to access app list.
2. Tap
3. Tap Apps & notifications > Notifications.
4. You can:
• Tap App notifications, and select an application to switch notification on.
• Tap On the lock screen, set up how notifications are displayed when the screen
is locked.
• Switch Allow notification dots on and off.
• Switch Blink light on and off.
• Tap Default notification sound, select a ringtone and tap OK to save as the
default notification sound.
Settings.
Setting the do not disturb mode
Enabling do not disturb
In the do not disturb mode, your phone will remain silent when you do not want to be disturbed, and
it will neither make sounds nor vibrate. You can also set the screen not to light up for notifications to
avoid visual distractions.
1. Swipe down from the top of the screen with two fingers.
2. Tap the
• Select Total silence to disable all sounds and vibrations (including alarm clock, music,
video and games), while still being able to make phone calls.
• Select Alarms only to disable all sounds and vibrations except for the alarm clock.
• Select Priority only to disable all sounds and vibrations from the alarm clock,
reminders, and events other than calls from designated callers.
3. Select how long do not disturb mode lasts:
• To keep do not disturb mode on indefinitely, tap Until you turn off Do Not Disturb.
on the right of Do not disturb, or Priority only. You can:
• To enable do not disturb for a specific period, tap
the time.
4. Tap Done.
Customizing do not disturb options
1. From the home screen, swipe up to access app list.
2. Tap
3. Tap Sound > Do not disturb preferences. You can:
• Tap Priority only allows to allow only certain content types to play sounds or vibrate.
• Tap Block visual disturbances to allow or prevent notifications lighting up the screen
in do not disturb mode.
• Tap rules under Automatic rules, and switch them on or off. Each do not disturb rule
contains options including duration, start and end time and do not disturb type.
Settings.
+ or — to increase or decrease
Status icons
In the status bar, different status icons have different meanings:
Signal strength
No SIM card found
Connected over 4G+
Connected over LTE+
Connected over LTE
Battery full
Battery low
Flight mode enabled
Connected over 4G
Connected over Wi-Fi
Charging
Vibration mode enabled
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