NOKIA logoNokia G400 5G
User Guide

Get started
Turn on your phone
To turn your phone on, press and hold the Power/Lock key. To turn your phone off, press the Power/Lock key and the volume up key at the same time.

Keys and parts NOKIA G400 5G Smartphone

  1. Headset connector
  2. Microphone
  3. Loudspeaker
  4. Camera
  5. Flash
  6. SIM/memory card slot
  7. Front Camera
  8. Earpiece
  9. Microphone
  10. Volume keys
  11. Power/Lock key, Fingerprint sensor
  12. USB connector

Memory/SIM card
Your phone comes with the SIM card preinstalled. To swap the SIM or insert a microSD card, follow the steps below.

  1. Open the Memory/SIM card tray using the pin tool included in your package. Insert the pin tool in the tray hole and gently push until the tray ejects, then slide the tray out.
  2. Place the microSD or SIM card in the designated slot on the tray with the metal contacts facing downward.
  3. Slide the tray back in.

NOKIA G400 5G Smartphone - fig

Note: The microSD card is sold separately. Important: Use only compatible memory cards approved for use with this device. Do not remove the memory card while in use by an app. Doing so may damage the memory card and the device and corrupt data stored on the card.

Charge your phone

  1. Plug a compatible charger into a wall outlet.
  2. Connect the cable to your phone.

Your phone supports the USB-C cable. You can also charge your phone from a computer with a USB cable, but it may take a longer time.
If the battery is completely drained, it may take several minutes before the charging indicator is displayed.

WARNING: Only use approved chargers with your device. Incompatible chargers or tampering with the charger port could damage your device and void the warranty.

You can transfer data from an old phone to your new phone using your Google account. To back up data on your old phone to your Google account, refer to your old phone’s user guide.

  1. Tap Settings > Passwords & accounts > Add account > Google.
  2. Select which data you want to restore on your new phone. The sync starts automatically once your phone is connected to the internet.

If your old phone is also an Android, and your Google account backup is enabled, you can restore your app settings and Wi-Fi passwords using the steps below. TM

  1. Tap Settings > System > Backup.
  2. Turn Back up to Google Drive to On.

Security settings
To avoid accidentally making a call when your phone is in your pocket or bag, you can lock your keys and screen.
To lock your keys and screen, press the Power/Lock key.

Press the Power/Lock key, and swipe up across the screen. If asked, provide additional credentials.
You can set your phone to require authentication when unlocking the screen.

  1. Tap Settings > Security > Screen lock.
  2. Choose the type of lock and follow the instructions on your phone.


  1. Tap Settings > Security > Fingerprint.
  2. Select what backup unlocking method you want to use for the lock screen and follow the instructions shown on your phone.

Place your registered finger on the Power/Lock key.


  1. Tap Settings > Security > Face Unlock.
  2. Select what backup unlocking method you want to use for the lock screen and follow the instructions shown on your phone.

Keep your eyes open and make sure your face is fully visible and not covered by any object, such as a hat or sunglasses.

To unlock your phone, just turn your screen on and look at the front camera.
Use the touch screen
Avoid scratching the touch screen. Never use an actual pen, pencil, or sharp objects on the touch screen.

TAP AND HOLD TO DRAG AN ITEM NOKIA G400 5G Smartphone - fig 1

Place your finger on the item for a couple of seconds, and slide your finger across the screen.

SWIPENOKIA G400 5G Smartphone - SWIPE

Place your finger on the screen, and slide your finger in the direction you want.


Slide your finger quickly in a flicking motion up or down the screen, and lift your finger. To stop the scrolling, tap the screen.

ZOOM IN OR OUT NOKIA G400 5G Smartphone - ZOOM

Place 2 fingers on an item, such as a map, photo, or web page, and slide your fingers apart or together.


The screen rotates automatically when you turn the phone 90 degrees.
To lock the screen in portrait mode, swipe down from the top of the screen, and tap Auto-rotate > Off.

To use gesture navigation, tap Settings > System > Gestures > System navigation > Gesture navigation.

To see all your apps, swipe up from the bottom of the screen.
To go to the home screen, swipe up from the bottom of the screen.
The app you were in stays open in the background. To see which apps you have open, swipe up from the bottom of the screen without releasing your finger until you see the apps, and then release your finger. To switch to another open app, tap the app. To close all the open apps, swipe right through all the apps, and tap CLEAR ALL.

To go back to the previous screen you were in, swipe from the right or left edge of the screen. Your phone remembers all the apps and websites you’ve visited since the last time your screen was locked.

To use key navigation, tap Settings > System > Gestures > System navigation > 3-button navigation.

To see all your apps, swipe up the home keyNOKIA G400 5G Smartphone - icon .
To go to the home screen, tap the home key.
The app you were in stays open in the background.
To see which apps you have open, tapNOKIA G400 5G Smartphone - icon 1.
To switch to another open app, swipe right and tap the app. To close all the open apps, swipe right through all the apps, and tap CLEAR ALL.
To go back to the previous screen you were in, tap. Your phone remembers all the apps and websites you’ve visited since the last time your screen was locked.

Personalize your phone CHANGE YOUR WALLPAPER Tap Settings > Wallpaper & style.
CHANGE YOUR PHONE RINGTONE Tap Settings > Sound > Phone ringtone.
CHANGE YOUR MESSAGE NOTIFICATION SOUND Tap Settings > Sound > Default notification sound.

When you receive new notifications, such as messages or missed calls, indicator icons appear on the status bar at the top of the screen. To access your notifications, drag the status bar down. To close the view, swipe up on the screen.NOKIA G400 5G Smartphone - NOTIFICATION

To change the notification settings of an app, tap Settings > Notifications > App settings > MOST RECENT > ALL APPS, and switch the app’s notifications on or off.

To activate features, tap the corresponding quick access item on the notification panel. To see more items, drag the menu down. NOKIA G400 5G Smartphone - ITEMS

To rearrange or add new items, tap, tap, hold an item, and then drag it to another location.

Control volume
If you have trouble hearing your phone ringing in noisy environments, or calls are too loud, you can change the volume to your liking by using the volume keys on the side of your phone. Do not connect to products that create an output signal, as this may damage the device.
Do not connect any voltage source to the audio connector. If you connect an external device or headset, other than those approved for use with this device, to the audio connector, pay special attention to volume levels.

Press a volume key on the side of your phone to see the volume status bar, tap, and drag the sliders on the volume bars left or right.

To set the phone to silent, press a volume key, tap,NOKIA G400 5G Smartphone - icon 3 andNOKIA G400 5G Smartphone - icon 2 then tap.
Battery life
To save power:

  • Always charge the battery fully.
  • Mute unnecessary sounds, such as touch sounds. Tap Settings > Sound, and select which sounds to keep.
  • Use wired headphones, rather than the loudspeaker.
  • Set the phone screen to turn off after a short time. Tap Settings > Display > Screen timeout and select the time.
  • Tap Settings > Display > Brightness level. To adjust the brightness, drag the brightness level slider. Make sure that Adaptive brightness is disabled.
  • Turn on the power saver: tap Settings > Battery > Battery Saver, and turn ON.
  • Use location services selectively: turn location services OFF when you don’t need them. Tap Settings > Location, and disable Use location.
  • Use network connections selectively: turn Bluetooth ON only when needed. Use a Wi-Fi connection to connect to the internet, rather than a mobile data connection. Stop your phone scanning for available wireless networks. Tap Settings > Network & internet > Wi-Fi, and turn Use Wi-Fi OFF. If you’re listening to music or otherwise using your phone, but don’t want to make or receive calls, turn the airplane mode ON. Tap Settings > Network & internet > Airplane mode. Airplane mode closes connections to the mobile network and turns your device’s wireless features off.

Automatic text correction
Your phone suggests words as you write, to help you write quickly and more accurately. Word suggestions may not be available in all languages.
When you start writing a word, your phone suggests possible words. When the word you want is shown in the suggestion bar, select the word. To see more suggestions, tap and hold the suggestion. Tip: If the suggested word is marked in bold, your phone automatically uses it to replace the word you wrote. If the word is wrong, tap and hold it to see a few other suggestions. If you do not want the keyboard to suggest words while typing, turn off the text corrections. Tap Settings > System > Languages & input > On-screen keyboard. Select the keyboard you normally use. Tap Text correction and turn off the text correction methods you do not want to use.

If you notice that you have misspelled a word, tap it to see suggestions for correcting the word. TURN SPELL CHECKER OFF Tap Settings > System > Languages & input > Spell-checker, and turn Used spell checker OFF.


You can change or turn Accessibility features on or off as needed to make your phone easier to use. INCREASE OR DECREASE THE FONT SIZE

  1. Tap Settings > Accessibility > Text and display.
  2. Tap Font size. To increase or decrease the font size, drag the font size level slider.


  1. Tap Settings > Accessibility > Text and display.
  2. Tap Display size and to adjust the display size, drag the display size level slider.

Connect with your friends and family

  1. TapNOKIA G400 5G Smartphone - icon 5.
  2. TapNOKIA G400 5G Smartphone - icon 6 and type in a number, or tap and select a contact you want to call.
  3. TapNOKIA G400 5G Smartphone - icon 5.

If your phone rings when the screen is unlocked, tap ANSWER. If your phone rings when the screen is locked, swipe up to answer.
If your phone rings when the screen is unlocked, tap DECLINE. If your phone rings when the screen is locked, swipe down to reject the call.

Save and organize your friends and family members’ phone numbers.


  1. Tap, NOKIA G400 5G Smartphone - icon 5and tapBliTZWOlF BW-DLT1 Folding Desk Lamp - ICON 1 to see your call history.
  2. Tap the number you want to save.
  3. Select if you want to create a new contact or Add to a contact.
  4. Type in the contact information, and tap Save.


  1. Tap Contacts > +.
  2. Fill out the information.
  3. Tap Save.

Send and receive messages

  1. Tap Messages > Start a chat.
  2. To add a recipient, tap , type their number in the To field, and tapNOKIA G400 5G Smartphone - icon 6. To add a contact, start typing their name and tap the contact.
  3. After choosing all the recipients, tap Next.
  4. Write your message in the text box.
  5. TapNOKIA G400 5G Smartphone - icon 7.

When you use the Gmail app for the first time, you will be prompted to sign in or setup up a Gmail account.

  1. Tap Gmail.
  2. You can select the address connected with your Google account or tap Add an email address.
  3. After adding all the accounts, tap TAKE ME TO GMAIL.


  1. Tap Gmail.
  2. Tap Compose.
  3. In the To box, type in an address, or tapNOKIA G400 5G Smartphone - icon 16 > Add from Contacts.
  4. Type in the message subject and the mail.
  5. TapNOKIA G400 5G Smartphone - icon 7.


  1. Tap a Camera.
  2. TapNOKIA G400 5G Smartphone - icon 8 to switch to the front camera.
  3. TapNOKIA G400 5G Smartphone - icon 9


  1. Tap Camera > Video.
  2. TapNOKIA G400 5G Smartphone - icon to start recording.
  3. To stop recording, tap .
  4. To go back to camera mode, tap Photo

Your photos and videos
COPY YOUR PHOTOS AND VIDEOS TO YOUR COMPUTER You can use your computer’s file manager to copy or move your photos and videos to the computer.

Connect your phone to the computer with a compatible USB cable. To set the USB connection type, open the notification panel, and tap the USB notification.
You can share your photos and videos quickly and easily for your friends and family to see.

  1. Tap Photos, tap the photo or video you want to share, and tapNOKIA G400 5G Smartphone - icon 10.
  2. Select how you want to share the photo or video.

Internet and connections
Activate Wi-Fi
Using a Wi-Fi connection is generally faster and less expensive than using a mobile data connection. If both Wi-Fi and mobile data connections are available, your phone automatically uses the Wi-Fi connection.


  1. Tap Settings > Network & internet > WiFi.
  2. Turn Use Wi-Fi ON.
  3. Select the connection you want to use.

Your Wi-Fi connection is active whenNOKIA G400 5G Smartphone - icon 11 is shown on the status bar at the top of the screen.

Browse the web
Turn your phone into a Wi-Fi hotspot, and use your mobile data connection to access the internet with your laptop or another device.

  1. Tap Settings > Network & internet > Hotspot & tethering.
  2. Turn on a Wi-Fi hotspot to share your mobile data connection over Wi-Fi, USB tethering to use a USB connection, Bluetooth tethering to use Bluetooth, or Ethernet tethering to use a USB Ethernet cable connection.

For more information on availability and costs, contact your network service provider.

  1. Tap Chrome.
  2. Write a search word or a web address to the search field.
  3.  Tap, or select from the proposed matches.

You can connect wirelessly to other compatible devices, such as phones, computers, headsets, and car kits. You can also send your photos to compatible phones or to your computer.

You can connect your phone with many useful Bluetooth devices. For example, with a wireless headset (sold separately), you can speak on the phone hands-free – you can continue what you’re doing, such as working at your computer, during a call. Connecting a phone to a Bluetooth device is called pairing.

  1. Tap Settings > Connected devices > Connection preferences > Bluetooth.
  2. Turn Use Bluetooth to ON.
  3. Make sure the other device is turned on. You may need to start the pairing process from the other device. For details, see the user guide for the other device.
  4. To pair your phone and the device, tap Pair new device, and tap the device on the list of discovered Bluetooth devices.
  5. You may need to type in a passcode. For details, see the user guide for the other device.

Since devices with Bluetooth wireless technology communicate using radio waves, they do not need to be in a direct line of sight. Bluetooth devices must, however, be within 10 meters (33 feet) of each other, although the connection may be subject to interference from obstructions such as walls or from other electronic devices.

Paired devices can connect to your phone when Bluetooth is turned on. Other devices can detect your phone only if the Bluetooth settings view is open. Do not pair with or accept connection requests from an unknown device. This helps to protect your phone from harmful content.

If you no longer have the device with which you paired your phone, you can remove the pairing.

  1. Tap Settings > Connected devices > Previously connected devices.
  2. TapNOKIA G400 5G Smartphone - icon 12 next to the device name.
  3. Tap FORGET.

When you want to share your content or send photos you’ve taken to a friend, use Bluetooth to send them to compatible devices. You can use more than one Bluetooth connection at a time. For example, while using a Bluetooth headset, you can still send things to another device.

  1. Tap Settings > Connected devices > Connection preferences > Bluetooth.
  2. Turn Use Bluetooth to ON.
  3. Go to the content you want to send, and tapNOKIA G400 5G Smartphone - icon 10 > Bluetooth.
  4. Tap the device to connect to. You can see the Bluetooth devices within range.
  5. If the other device needs a passcode, type in the passcode. The passcode, which you can make up, must be typed in on both devices. The passcode in some devices is fixed. For details, see the user guide of the other device.

The passcode is only used when you connect to something for the first time.

You may need a virtual private network (VPN) connection to access your company resources, such as an intranet or corporate mail, or you may use a VPN service for personal purposes. Contact your company IT administrator for details of your VPN configuration, or check your VPN service’s website for additional info.


  1. Tap Settings > Network & internet > VPN.
  2. To add a VPN profile, tap.
  3. Type in the profile info as instructed by your company IT administrator or VPN service.


  1. TapNOKIA G400 5G Smartphone - icon 12 next to the profile name.
  2. Change the info as required.


  1. Tap next to the profile name.
  2. Tap FORGET.

Organize your day
Alarm clock

  1. Tap Clock > Alarm.
  2. To add an alarm, tap,NOKIA G400 5G Smartphone - icon 14 or tap an existing alarm.
  3. Select the alarm time.
  4. To set the alarm to repeat on specific dates, tap the days of the week.

When the alarm sounds, swipe the alarm right.
Tap Calendar >NOKIA G400 5G Smartphone - icon 13, and select what type of calendar you want to see.
Calendars are added automatically when you add an account to your phone.


  1. In Calendar, tap .
  2. Type in the details you want.
  3. To make an event repeat on certain days, tap Does not repeat, and select how often the event should repeat.
  4. To add a notification to the event, tap Add notification.
  5. Tap Save.

Tip: To edit an event, tap the event and, and edit the details.

  1. Tap the event.
  2. TapNOKIA G400 5G Smartphone - icon 16 > Delete.

Google Maps helps you find specific locations and businesses.

  1. Tap Maps.
  2. Write search words, such as a street address or place name, in the search bar.
  3. Select an item from the proposed matches, or tap to search.

The location is shown on the map. If no search results are found, make sure the spelling of your search words is correct.
Tap Maps >


  1. Tap Maps and enter your destination in the search bar.
  2. Tap Directions. The highlighted icon shows the mode of transportation, for example. To change the mode, select the new mode under the search bar.
  3. If you don’t want the starting point to be your current location, tap Your location, and search for a new starting point.
  4. Tap Start to start the navigation.

The route is shown on the map, along with an estimate of how long it takes to get there. To see detailed directions, tap Steps.

Apps, updates, and backups
Get apps from Google Play
You need to have a Google account added to your phone to use Google Play services. Charges may apply to some of the content available in Google Play. To add a payment method, tap Play Store > > Payment & subscriptions. Always be sure to have permission from the payment method owner when buying content from Google Play.


  1. Tap Play Store.
  2. Tap the search bar to look for apps or select apps from your recommendations.
  3. In the app description, tap Install to download and install the app.

Update your phone software
Keep your phone up to date and accept available software updates to get new and enhanced features for your phone. Updating the software may also improve your phone’s performance.


Tap Settings > System > System update > Check for update to check if updates are available.
When your phone notifies you that an update is available, just follow the instructions shown on your phone. If your phone is low on memory, you may need to move your photos and other stuff to the memory card.
Warning: If you install a software update, you cannot use the device, even to make emergency calls, until the installation is complete and the device is restarted. Before starting the update, connect a charger or make sure the device battery has enough power, and connect to Wi-Fi, as the update packages may use up a lot of mobile data.

Back up your data
To ensure your data is safe, use the backup feature on your phone. Your device data (such as Wi-Fi passwords and call history) and app data (such as settings and files stored by apps) will be backed up remotely.

Tap Settings > System > Backup, and Turn Back up to Google Drive ON.

Restore original settings and remove private content from your phone
Accidents can happen – if your phone is not working properly, you can restore its settings. Or, if you buy a new phone, or otherwise want to dispose of or recycle your phone, here’s how you can remove your personal info and content. Note that it is your responsibility to remove all private content.


  1. Tap Settings > System > Reset options > Erase all data (factory reset).
  2. Follow the instructions shown on your phone.

Locate or lock your phone
If you lose your phone, you may be able to find, lock, or erase it remotely if you have signed in to a Google Account. Find My Device is on by default for phones associated with a Google Account.
To use Find My Device, your lost phone must be:

  • Turned on
  • Signed in to a Google Account
  • Connected to mobile data or Wi-Fi
  • Visible on Google Play
  • Location turned on
  • Find My Device turned on

When Find My Device connects with your phone, you see the phone’s location, and the phone gets a notification.

  1. Open on a computer, tablet or phone connected to the internet and sign in to your Google Account.
  2. If you have more than one phone, click the lost phone at the top of the screen.
  3. On the map, see where the phone is. The location is approximate and may not be accurate.

If your device can’t be found, Find My Device will show its last known location, if available. To lock or erase your phone, follow the instructions on the website.

Battery and charger safety info
Once charging of your device is complete, unplug the charger from the device and electrical outlet. Please note that continuous charging should not exceed 12 hours. If left unused, a fully charged battery will lose its charge over time.
Extreme temperatures reduce the capacity and lifetime of the battery. Always keep the battery between 15°C and 25°C (59°F and 77°F) for optimal performance. A device with a hot or cold battery may not work temporarily. Note that the battery may drain quickly in cold temperatures and lose enough power to turn off the phone within minutes.  When you are outdoors in cold temperatures, keep your phone warm.

Obey local regulations. Recycle when possible. Do not dispose of as household waste. Do not expose the battery to extremely low air pressure or leave it to extremely high temperature, for example, dispose of it in a fire, as that may cause the battery to explode or leak flammable liquid or gas.
Do not dismantle, cut, crush, bend, puncture, or otherwise damage the battery in any way. If the battery leaks, do not let liquid touch skin or eyes. If this happens, immediately flush the affected areas with water, or seek medical help. Do not modify, attempt to insert foreign objects into the battery, or immerse or expose it to water or other liquids. Batteries may explode if damaged.

Use the battery and charger for their intended purposes only. Improper use or use of unapproved or incompatible batteries or chargers may present a risk of fire, explosion, or another hazard, and may invalidate any approval or warranty. If you believe the battery or charger is damaged, take it to a service center or your phone dealer before continuing to use it. Never use a damaged battery or charger. Only use the charger indoors. Do not charge your device during a lightning storm. When the charger is not included in the sales pack, charge your device using the data cable (included) and a USB power adaptor (may be sold separately). You can charge your device with third-party cables and power adaptors that are compliant with USB 2.0 or later and with applicable country regulations and international and regional safety standards. Other adaptors may not meet applicable safety standards, and charging with such adaptors could pose a risk of property loss or personal injury.

Third-party chargers that comply with the applicable CTIA requirements and bear the USB-IF logo, and can connect to your device’s USB connector, may also be compatible. Only use the battery with a charging system that has been qualified with the system per CTIA Certification Requirements for Battery System Compliance to IEEE 1725. The use of an unqualified battery or charger may present a risk of fire, explosion, leakage, or another hazard.

Replace the battery only with another battery that has been qualified with the system per this standard, IEEE-Std-1725. The use of an unqualified battery may present a risk of fire, explosion, leakage, or another hazard. Avoid dropping the phone or battery. If the phone or battery is dropped, especially on a hard surface, and the user suspects damage, take it to a service center for inspection.
Improper battery use may result in a fire, explosion or other hazard.

Phone safety information
Some of the accessories mentioned in this user guide, such as charger, headset, or data cable, may be sold separately.
Do not connect to products that create an output signal, as this may damage the device. Do not connect any voltage source to the audio connector. If you connect an external device or headset, other than those approved for use with this device, to the audio connector, pay special attention to volume levels.

Important: The device screen is made of glass. This glass can break if the device is dropped on a hard surface or receives a substantial impact. If the glass breaks, do not touch the glass parts of the device or attempt to remove the broken glass from the device. Stop using the device until the glass is replaced by authorized service personnel. Parts of the device are magnetic. Metallic materials may be attracted to the device. Do not place credit cards or other magnetic stripe cards near the device for extended periods of time, since the cards may be damaged.


The availability of products, features, apps, and services may vary by region. For more info, contact your dealer or your service provider. This device may contain commodities, technology or software subject to export laws and regulations from the US and other countries. Diversion contrary to law is prohibited. The contents of this document are provided “as is”. Except as required by applicable law, no warranties of any kind, either express or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose, are made in relation to the accuracy, reliability or contents of this document. HMD Global reserves the right to revise this document or withdraw it at any time without prior notice.

To the maximum extent permitted by applicable law, under no circumstances shall HMD Global or any of its licensors be responsible for any loss of data or income or any special, incidental, consequential or indirect damages howsoever caused. Reproduction, transfer or distribution of part or all of the contents in this document in any form without the prior written permission of HMD Global is prohibited. HMD Global operates a policy of continuous development. HMD Global reserves the right to make changes and improvements to any of the products described in this document without prior notice.

HMD Global does not make any representations, provide a warranty, or take any responsibility for the functionality, content, or end-user support of third-party apps provided with your device. By using an app, you acknowledge that the app is provided as is. Downloading maps, games, music, and videos and uploading images and videos may involve transferring large amounts of data. Your service provider may charge for the data transmission. The availability of particular products, services, and features may vary by region. Please check with your local dealer for further details and the availability of language options.

Certain features, functionality, and product specifications may be network dependent and subject to additional terms, conditions, and charges.
All specifications, features, and other product information provided are subject to change without notice.
HMD Global Privacy Policy, available at, applies to your use of the device.
©2022 HMD Global Oy. All rights reserved.

HMD Global Oy is the exclusive licensee of the Nokia brand for phones & tablets. Nokia is a registered trademark of Nokia Corporation. The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by HMD Global is under license. Android, Google, and other related marks are trademarks of Google LLC.

Snapdragon is a product of Qualcomm Technologies, Inc. and/or its subsidiaries. Snapdragon is a trademark or registered trademark of Qualcomm Incorporated. aptX is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other countries, used with permission.

OZO is a trademark of Nokia Technologies Oy.

Documents / Resources

NOKIA G400 5G Smartphone [pdf] User Guide
G400, 5G Smartphone, G400 5G, Smartphone, G400 5G Smartphone, Mobile Phone, Mobile, Phone


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