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• Verify the server centre number or your MMS profile with your
operator.
• The server centre may be swamped. Try again later.
SIM card PIN locked
• Contact your network operator to obtain the PUK (Personal
Unblocking Key) code.
I can't connect my phone to my computer
• Check to make sure the USB port is not broken. If it's not working,
try another USB port on your computer.
• Make sure USB drivers are properly installed.
• If you are using a Windows computer, make sure it supports MTP
mode. If you are using a Mac, make sure to install Android File
Transfer from www.android.com/filetransfer/.
• Make sure that you're using the correct cable from the box.
I can't download new files
• Make sure that there is sufficient phone storage space for your
download.
• Select the microSD card as the location to store downloaded files.
• Check your subscription status with your operator.
The phone can't 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's detection range.
The battery drains too fast
• Make sure that you follow the complete charge time (minimum 135
minutes).
• 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.
• Adjust the brightness of screen as appropriate.
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• Extend the email auto-check interval for as long as possible.
• Update news and weather information on manual demand, or
increase their auto-check interval.
• Exit background-running applications if they are not being used for
extended periods of time.
• Turn off Bluetooth, Wi-Fi, or GPS when not in use.
The phone becomes warm following prolonged calls, game playing,
internet surfing or running other complex applications
• This heating is a normal consequence of the CPU handling excessive
data. Ending the above actions will make your phone return to
normal temperature.
After a factory data reset is performed, I can't use my phone without
entering Google account credentials
• After a reset is performed, you must enter the original Google
account credentials that were used on this phone.
• If you don't remember your Google account credentials, complete
Google account recovery procedures.
• If you still cannot access your phone, apply to the authorised repair
centre, but remember that it will not be regarded as warranty case.
The phone doesn't ring when a call or message arrives
• Make sure that Do Not Disturb mode is not turned on. Go to
Settings > Sound > Do Not Disturb.
• Press the Volume key to adjust volume.
I forget some passwords/codes/keys on phone
• Perform a factory data reset.
• If you still cannot access your phone, apply to the authorised repair
centre, but remember that it will not be regarded as a warranty case.
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