SIM Free Samsung A25 5G 128GB Mobile Phone - Blue Black

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 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. 

Try the following solutions. If the problem is still not resolved, contact a Samsung Service Centre or an authorised service centre.

Restarting the device

• If your device freezes or hangs, you may need to close apps or turn off the device and turn it on again.

Forcing restart

• If your device is frozen and unresponsive, press and hold the Side button and the Volume Down button simultaneously for more than 7 seconds to restart it.

Resetting the device

• If these methods do not solve your problem, perform a factory data reset.
• Open Settings and tap General management → Reset → Factory data reset → Reset → Delete all. Before performing the factory data reset, remember to make backup copies of all important data stored in the device.

Your device must have sufficient available storage and battery power to operate the camera app. If you receive error messages when opening the camera, try the following:

• Charge the battery.
• Free some storage by transferring files to a computer or deleting files from your device.
• Restart the device.

If you are still having trouble with the camera app after trying these tips, contact a Samsung Service Centre or an authorised service centre.

• The quality of your pictures may vary, depending on the surroundings and the photography techniques you use.
• If you take pictures in dark areas, at night, or indoors, image noise may occur or images may be out of focus.

If another Bluetooth device is not located or there are connection problems or performance malfunctions, try the following:

• Ensure that the device you wish to connect with is ready to be scanned or connected to.
• Ensure that your phone and the other Bluetooth device are within the maximum Bluetooth range (10 m).
• On your phone, open Settings, tap Connections, and then tap the Bluetooth switch to turn it on again.
• On your phone, open Settings, tap General management → Reset → Reset Wi-Fi and Bluetooth settings → Reset settings to reset network settings. You may lose registered information when performing the reset.

If these tips do not solve the problem, contact a Samsung Service Centre or an authorised service centre.

• When you expose the device or the battery to very cold or very hot temperatures, the useful charge may be reduced.
• Battery consumption will increase when you use certain features or apps, such as GPS, games, or the internet.
• The battery is consumable and the useful charge will get shorter over time.