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• Check your phone memory availability as it might be full.
• Contact your service provider to check service availability and check
MMS parameters.
• Verify the service center number or your MMS profile with your provider.
• The service center may be busy, try again later.
Invalid SIM card
• Make sure the SIM card has been correctly inserted (see “Inserting or
removing the SIM card”).
• Make sure the chip on your SIM card is not damaged.
• Make sure the service of your SIM card is available.
SIM card PIN locked
• Contact your service provider to obtain the PUK code (Personal
Unblocking Key).
I am unable to connect my phone to my computer
• Check that your USB driver is installed properly.
• Check that you have marked the checkbox of USB debugging in USB
connection options.
• Make sure that you are using the right USB cable from the box.
I am unable to download new files
• Make sure there is sufficient phone memory for your download.
• Check to make sure your plan or device has data. If needed contact
your provider for information about your plan.
The phone cannot be detected by others via Bluetooth
• Make sure that Bluetooth is turned on and your phone is visible to other
users.
• Make sure that the two phones are within Bluetooth detection range.
How to make your battery last longer
• Be sure to allow your device to charge to 100%.
• After a partial charge, the battery level indicator may not be exact. Wait
for at least 20 minutes after removing the charger to obtain an exact
indication.
• Check the box labeled "Auto" when pulling down the status bar from
the top of the screen to automatically adjust screen brightness.
• Exit background-running applications if they are not being used for a
long time.
• Deactivate Bluetooth, Wi-Fi, or GPS when not in use.
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