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SIM Free iPhone 16 Plus 5G 128GB AI Mobile Phone - Black
Buy it on Argos.co.uk

Product details

  • Brand: Apple
  • Catalogue number: 433/0587
  • Manufacturer's number: MXVU3QN/A

Apple Support

UK: Eire:
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FAQs

If you can’t hear sounds on your phone, check the following: 

  • Check that the volume is turned up. 
  • Check that silent mode has not been available. 
  • Inspect the speakers for any visible debris that may be blocking the sound. Remove with a soft brush if necessary. 
  • Reboot the phone by turning off and on. Alternatively, press and hold the Power and Volume Up button for 15 seconds. 
  • If the sound issue only occurs on a specific app, check for any app updates. 
  • Check your phone for any software updates. If available, update the software. 
  • If your phone has Do Not Disturb mode, try turning this off. This mode silences sounds and notifications. 
  • If you are using headphones, check that the headphones are secure in the phone. If necessary, try another pair of headphones to determine if the headphones are not producing sound rather than the phone. 
  • Check if your phone is connected to another Bluetooth device and disconnect if necessary for the sound to come out of the phone direct. 
  • Perform a Factory Reset. Please note, this will erase all data and settings from your phone. 

Click here to read our full article on what to do if you can't hear sounds on your phone.

If you can’t send text messages from your phone, check the following: 

  • Check that you have sufficient signal by looking at the signal strength. 
  • Visit your network provider’s website to check if there are any disruptions in your area. 
  • Check that the Short Message Centre (SMSC) number is correct in your phone. Contact your network provider to get the correct number. 
  • If using a specific messaging app such as WhatsApp or Facebook Messenger, check for any updates or any software settings. 
  • Ensure your phone has not run out of storage. If it is full, it will hinder the ability to send messages. 
  • Check that the Access Point Name (APN) settings are correct. Contact your network provider to get the correct settings. 
  • Reboot the phone by turning off and on. Alternatively, press and hold the Power and Volume Up button for 15 seconds. 
  • Try the SIM card in another phone to check if it is an issue with the SIM itself. 

If the issue remains, we recommend contacting your network provider for further support. 

If you can’t make calls, but you can receive them, check the following: 

  • Check that you have sufficient signal by looking at the signal strength. 
  • Visit your network provider’s website to check if there are any disruptions in your area. 
  • Check that you have not accidentally activated call restrictions such as call-blocking. 
  • If you have a prepaid SIM, check that you have sufficient balance and top up if necessary. 
  • If you are in an area where you should be roaming, check that your roaming settings are enabled. 
  • If you use Voice over LTE (VoLTE) check that this is turned on. 
  • Check that your network settings are up to date. Contact your network provider for the latest settings.  
  • Try the SIM card in another phone to check if it is an issue with the SIM itself. 
  • Reboot the phone by turning off and on. Alternatively, press and hold the Power and Volume Up button for 15 seconds.

If the issue remains, we recommend contacting your network provider for further support. 

If your mobile data isn’t working, check the following:

  • Check that you have sufficient signal by looking at the signal strength. 
  • Visit your network provider’s website to check if there are any disruptions in your area. 
  • Check that mobile data is turned on. 
  • If you are roaming, ensure that you your roaming settings are correctly configured.  
  • Check that the Access Point Name (APN) settings are correct on your phone. 
  • If you have set a data usage limit on your SIM or phone, check to see if this has been reached. 
  • Try the SIM card in another phone to check if it is an issue with the SIM itself. 
  • Reboot the phone by turning off and on. Alternatively, press and hold the Power and Volume Up button for 15 seconds.

If the issue remains, we recommend contacting your network provider for further support. 

Quickly access control: Swipe down from the top-right corner to open control center; touch and hold a control to reveal more options. To add or remote control go to settings > control center. 

Open the app switcher: Swipe from the bottom edge, pause in the center of the screen, then lift your finger. To browse the open apps, swipe right, then tap the app you want to use.  

Switch between open apps: Swipe right or left along the bottom edge of the screen to quickly switch between open apps.  

Use Siri: Just say “Siri” or “Hey Siri”. Or hold down the side button while you ask a question or make a request, then release the button.  

Use Apple Pay: Double click the side button to display your default credit card, then glance at iPhone to authenticate with face ID.  

Use accessibility Shortcut: Triple-click the side button.  

Take a screen shot: Simultaneously press and quickly release the side button and volume up button. 

Use emergency SOS: Simultaneously press and hold the side button and either volume button until the sliders appear and the countdown on Emergency SOS ends, then release the buttons.  

Turn off: Simultaneously press and hold the side button and either volume button until the sliders appear, then drag the top slider to power off. Or go to settings> General > Shut down. 

Force restart: Press and release the volume up button, press and release the volume down button, then press and hold the side button until the Apple logo appears.  

The action button is a new button on the side of your phone. This button can be used to assign a Control Center control. Once you have set your desired control center control, you can then turn the control on or off just by using the Action button. 

  1. Go to Settings > Action Button. 
  2. Swipe to the Controls action, then tap Choose a Control. 
  3. Scroll through the controls or search for the control you want by entering it in the search field above the controls. 
  4. Tap the control you want to add.


For example, you can assign Dark Mode to the Action button by tapping. Then you can turn Dark Mode on or off by pressing and holding the Action button. 

To perform the action assigned to the Action button, press and hold the Action button. 

For many functions, the Action button can be used to turn a setting on or off. For example, if the selected action is Silent Mode, you can press and hold the Action button to put iPhone in Silent mode. If you press and hold the Action button again, it turns off Silent mode. 

MagSafe chargers and battery packs snap to the back of iPhone or its MagSafe case or sleeve. The magnets ensure proper alignment for fast wireless charging, and you can hold and use iPhone while it’s charging. 

Charging with MagSafe 

  1. Connect MagSafe charger to power using a compatible power adapter.  
  2. Place MagSafe charger on the back of the iPhone or its MagSafe case or sleeve. The charging symbol appears when the iPhone starts charging.  

Note: If a leather wallet is attached, remove it before placing MagSafe. 

MagSafe Battery Pack magnetically attaches to supported models and extends the battery life. 

Note: If an iPhone Leather Wallet is attached, remove it before placing MagSafe Battery Pack. 

  1. Charge your iPhone on the go: Place MagSafe Battery Pack on the back of iPhone or its MagSafe case or sleeve. The charging symbol appears when iPhone starts charging. 
  2. See the battery status of MagSafe Battery Pack and iPhone: Check the Batteries widget in Today View or on the Home Screen. See Add a Batteries widget to your Lock Screen or Home Screen. 
  3. Charge MagSafe Battery Pack and iPhone: With MagSafe Battery Pack on iPhone, connect either device to power using the USB-C to Lightning Cable or USB-C Cable and the Apple 20W USB-C power adapter or another compatible power adapter. The status indicator on MagSafe Battery Pack is amber while charging, then turns green when charging is complete.

Note: By default, charging is limited to 90 percent to optimise the lifespan of MagSafe Battery Pack. To remove the charging limit, open Control Center, tap Low Power Mode, then tap Charge past 90%. 

The Camera Control on iPhone 16, iPhone 16 Plus, iPhone 16 Pro, and iPhone 16 Pro Max lets you quickly open your iPhone camera and access common camera settings.  

Open Camera with the Camera Control: Click the Camera Control to open Camera . 

Take a photo or video with the Camera Control: Click the Camera Control to open Camera . Click again to take a photo or click and hold to record a video. 

Note: If your camera is set to Video mode on launch, click to start recording. 

You can select and adjust any of the following settings with the Camera Control: 

Exposure: Brighten or darken the scene by increasing or decreasing the exposure. 

Depth: Increase or decrease the background depth-of-field effect (this setting turns on Portrait mode if it wasn’t already selected). 

Zoom: Zoom in or out. 

Cameras: Adjust the field of view by changing the camera. 

Style: Change the Photographic Style. 

Tone: Lighten or deepen the mood by increasing or decreasing the tone. 

Note: Not all controls are available in all camera modes. 

Click the Camera Control to open Camera. 

Lightly press the Camera Control twice to open an overlay that shows the available settings for that camera mode (see below). 

The Camera Control menu is open in Camera. The Zoom control is selected. 

Slide your finger on the Camera Control to scroll through the settings choices, then lightly press to select the setting you want. 

Slide your finger on the Camera Control to adjust the setting. 

Open Camera. 

Select Spatial mode, then rotate your iPhone to landscape orientation. 

Tap the camera icon or video icon to take a spatial photo or record a spatial video. 

Tap the Shutter button or Record button to take a photo or begin recording a video. 

How-to videos

  • How to Fix Charging Issues on a Phone or Tablet

  • How to use the Camera Control on iPhone 16 and iPhone 16 Pro | Apple Support

Returns policy

If you need advice or support for your product, please in the first instance contact the support provider using the number on this support page.

If you still need to return your product then please visit our most up to date returns policy here.