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Huawei

Guides for Huawei nova 9

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Display & Home Screen

Enable or Disable Auto-Rotate Screen

When you tilt your Huawei phone sideways, the screen sometimes stays locked in portrait instead of switching to landscape. This usually happens because Auto-rotate got switched off, either by accident or through a stray tap in the quick settings panel. Without it active, apps like your gallery, browser or video player will not adjust to how you actually hold the phone.

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Security & Privacy

Reset Advertising ID

If ads on your Huawei phone feel oddly specific, the Advertising ID stored on your device is the reason. Apps and ad networks use this identifier to link your browsing and app behavior over time, even across different services. Resetting it breaks that chain and hands you a new, unlinked ID.

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Calls & Messages

Factory Reset Phone

If your Huawei phone has slowed down, keeps freezing, or you are about to sell or hand it over, wiping it back to factory settings usually fixes the root cause in one step. A factory reset removes your Google account, all system and app settings, installed apps, and every file stored in internal memory. Back up anything you need before starting, since none of this data can be recovered afterward.

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Storage & Backup

Choose or Add a Backup Account

Google Drive only stores photos, contacts and app data once EMUI knows which Google account should receive the backup. If no account is linked yet, or the wrong one is selected, Backup & restore looks active but stays empty. This mix-up is common on phones that were set up with a second or work Google account.

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Other

Enable or Disable Switch Access

If touch gestures are not reliable for you, standard navigation on your Huawei phone turns into a real barrier. Switch Access lets you select items, scroll and type using one or more external switches instead of tapping the screen. Those switches connect via USB or pair over Bluetooth, but the toggle for the feature is tucked away in a menu most people never open.

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Network & Connectivity

Send a File via Bluetooth

When a Bluetooth transfer just sits there or the receiving device never shows up in the list, it usually means the two phones were never paired first. Bluetooth sharing on Huawei phones runs through the system Share menu, so picking the wrong app or an unpaired device stops the transfer before it starts. This guide walks through sending a single photo, though the same steps work for videos and other files too.

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System & Settings

Enable or Disable Key Pop-ups

When you type on a Huawei phone, every letter you tap flashes briefly above the key before it appears in the message. In apps like WhatsApp or Messenger this preview can feel distracting, especially if you type fast or use a small screen. The behavior comes from a keyboard setting, not from the messaging app itself.

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Apps & Installation

Set Default Launcher App

If your Huawei phone keeps opening the old home screen even after installing a new launcher, the system is still pointing to the previous default app. This happens because EMUI only switches the active launcher when you confirm the change in the app settings, not automatically after installation. Until that setting is updated, widgets, shortcuts and the app drawer stay tied to the launcher you had before.

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Security & Privacy

Enable or Disable Find My Device

If your Huawei phone gets lost or stolen, you can only track it through Google's Find My Device tool when the feature was switched on beforehand. Many people only notice the setting is off after the phone is already gone. The location service also runs quietly in the background, which is why some users prefer to turn it off to save battery or for privacy reasons.

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Notifications & Focus

Set Phone Ringtone

If your Huawei phone still rings with the default tone after you picked a new one, the change probably landed on the wrong SIM slot. Dual SIM devices store separate ringtones for SIM1 and SIM2, so the tone you hear depends on which line is receiving the call. Video calling apps can also override the system ringtone with their own sound.

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Security & Privacy

Change Lock Screen Wallpaper

Picking a new photo for your Huawei phone does not automatically change what shows on the lock screen. EMUI treats the home screen and the lock screen as two separate wallpaper slots, so after choosing an image you still get asked where it should actually be applied. Pick the wrong option in that prompt and the old lock screen image stays exactly as it was.

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Security & Privacy

Enable or Disable Password Vault

If your Huawei phone stops offering to save login credentials or keeps autofilling old passwords you no longer want stored, the built-in Password Vault is either disabled or already holding data you need to manage. This local credential manager only works once a screen lock password is set, which is why activation sometimes fails silently. Knowing where the toggle lives helps you control exactly which logins get remembered on the device.

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Calls & Messages

Voice Broadcast for Incoming Calls

If your Huawei phone is connected to a headset and voice broadcast is turned on, an incoming call plays the default ringtone instead of the custom tone you set for that contact. This happens because voice broadcast overrides individual ringtone assignments with a spoken caller announcement. The setting sits in the calling options and is easy to miss when you are troubleshooting missing custom ringtones.

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Security & Privacy

Remain on Lock Screen After Face Recognition

After Face Recognition unlocks your Huawei phone, the screen sometimes stays on the lock screen and needs a swipe up before you reach the home screen. This happens because the Unlock device option is set to Slide to unlock instead of Direct unlock, or turned off entirely. The mismatch confuses users who expect the phone to open straight to the home screen right after a successful scan.

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Other

Set a Mobile Data Usage Warning

Running out of mobile data before the billing cycle ends usually means the usage reminder was never turned on. Without a warning threshold, EMUI stays silent until the allowance is already gone. A percentage-based alert or a daily limit notification gives you a heads-up before that happens.

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Calls & Messages

Mark All Messages as Read

Scrolling through dozens of unread chats in the Messages app on a Huawei phone takes forever if you have to open every single conversation. The unread badge on the app icon can also stay stuck even after you already caught up on the messages elsewhere. A single menu option clears every unread flag in one tap, without touching the content of your chats.

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System & Settings

Add Cities to World Clock

Checking the time in another city usually means opening a separate app or working out the time difference yourself. The World clock screen on Huawei phones can display several cities side by side, but only after you add them manually. Without extra entries, the Clock app only shows your local time.

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Network & Connectivity

Delete a Saved APN on Huawei

If a Huawei phone suddenly loses mobile data or MMS stops working after a SIM swap or carrier update, a leftover or wrong Access Point Name (APN) entry is often behind it. Manually typed APN details or an outdated carrier profile can block a clean connection to the mobile network. Removing the faulty entry is usually what lets the phone reconnect or accept a fresh APN.

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Security & Privacy

Show or Hide Typed Passwords

On a Huawei phone, each digit you type into a password field flashes briefly before it gets swapped for an asterisk. That short delay comes from the Show passwords option in EMUI, and it can work against you if someone is looking over your shoulder or if you just want to double-check what you typed. You can switch this behavior on or off whenever you need to.

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Security & Privacy

Rename a Fingerprint

By default, every fingerprint you register on a Huawei phone gets a generic label like Fingerprint 1 or Fingerprint 2. That makes it hard to tell which print belongs to which finger or family member once you have several saved. You can give any fingerprint a clear name at any time, whether you skipped it during setup or just want to change it later.

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Other

Change Device Name

When you pair a Huawei phone over Bluetooth or plug it into a PC, it often shows up under a generic factory name instead of something you actually recognize. That default label makes it hard to tell your phone apart from other devices on the same network or in a list of paired accessories. Renaming it fixes that identification problem for good.

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Network & Connectivity

Enable or Disable Emergency Location Service (ELS)

When you dial an emergency number or send an SOS text, your Huawei phone normally shares its location automatically so responders can find you faster. If Google Location Services are turned off, Emergency Location Service (ELS) steps in to determine your position instead, and whether it is active or not can matter in a real emergency. Many people never check this toggle until they need it.

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Apps & Installation

Reset App Preferences

When an app on your Huawei phone stops sending notifications, opens the wrong default app, or gets stuck in the background, one of its individual settings is usually the cause. Over time these per-app permissions, default assignments, and background rules pile up and start conflicting with each other. Resetting app preferences clears that buildup without deleting any app or its data.

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Security & Privacy

Toggle Ad Filter in the Browser App

If pages in the Huawei Browser suddenly show more banners and pop-ups than usual, the built-in Ad filter has likely been switched off. The same setting can also block content on some pages if it filters too aggressively, which is worth checking before assuming a site is broken.

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